src/Pure/codegen.ML
author wenzelm
Sun Jul 08 19:51:58 2007 +0200 (2007-07-08)
changeset 23655 d2d1138e0ddc
parent 23178 07ba6b58b3d2
child 23784 75e6b9dd5336
permissions -rw-r--r--
replaced exception TableFun/GraphFun.DUPS by TableFun/GraphFun.DUP;
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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_attribute: string -> (Args.T list -> attribute * Args.T list) -> 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 -> int -> int -> term -> (string * term) list option
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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 fillin_mixfix: ('a -> Pretty.T) -> 'a mixfix list -> 'a list -> Pretty.T
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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 CodeData = CodegenData;
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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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     attrs: (string * (Args.T list -> attribute * Args.T 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 = [], attrs = [],
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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, attrs = attrs1,
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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, attrs = attrs2,
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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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     attrs = AList.merge (op =) (K true) (attrs1, attrs2),
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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, attrs, 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, attrs = attrs, 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, attrs, 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, attrs = attrs, 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, attrs, 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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        attrs = attrs, 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, attrs, 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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        attrs = attrs, 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, attrs, 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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    attrs = attrs, 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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   330
  let
haftmann@22749
   331
    val thy = Thm.theory_of_thm eqn;
haftmann@22749
   332
    val ctxt = ProofContext.init thy;
haftmann@22749
   333
    val eqn' = LocalDefs.meta_rewrite_rule ctxt eqn;
haftmann@22749
   334
    val names = term_consts (fst (Logic.dest_equals (prop_of eqn')));
berghofe@15261
   335
    fun prep thy = map (fn th =>
berghofe@17666
   336
      let val prop = prop_of th
berghofe@17666
   337
      in
berghofe@17666
   338
        if forall (fn name => exists_Const (equal name o fst) prop) names
haftmann@22749
   339
        then rewrite_rule [eqn'] (Thm.transfer thy th)
berghofe@17666
   340
        else th
berghofe@17666
   341
      end)
haftmann@19341
   342
  in add_preprocessor prep end;
berghofe@15261
   343
wenzelm@15801
   344
haftmann@22749
   345
(**** code attribute ****)
haftmann@22749
   346
haftmann@22749
   347
fun add_attribute name att thy =
haftmann@22749
   348
  let val {codegens, tycodegens, consts, types, attrs, preprocs, modules, test_params} =
haftmann@22749
   349
    CodegenData.get thy
haftmann@22749
   350
  in (case AList.lookup (op =) attrs name of
haftmann@22749
   351
      NONE => CodegenData.put {tycodegens = tycodegens,
haftmann@22749
   352
        codegens = codegens, consts = consts, types = types,
haftmann@22749
   353
        attrs = if name = "" then attrs @ [(name, att)] else (name, att) :: attrs,
haftmann@22749
   354
        preprocs = preprocs, modules = modules,
haftmann@22749
   355
        test_params = test_params} thy
haftmann@22749
   356
    | SOME _ => error ("Code attribute " ^ name ^ " already declared"))
haftmann@22749
   357
  end;
haftmann@22749
   358
haftmann@22749
   359
fun mk_parser (a, p) = (if a = "" then Scan.succeed "" else Args.$$$ a) |-- p;
haftmann@22749
   360
haftmann@22749
   361
val code_attr =
wenzelm@23178
   362
  Attrib.syntax (Scan.peek (fn context => List.foldr op || Scan.fail (map mk_parser
haftmann@22749
   363
    (#attrs (CodegenData.get (Context.theory_of context))))));
haftmann@22749
   364
haftmann@22749
   365
val _ = Context.add_setup
haftmann@22749
   366
  (Attrib.add_attributes [("code", code_attr, "declare theorems for code generation")]);
haftmann@22749
   367
haftmann@22749
   368
local
haftmann@22845
   369
  fun mk_attribute f = Thm.declaration_attribute (fn thm => Context.mapping (f thm) I);
haftmann@22749
   370
  fun add_simple_attribute (name, f) =
haftmann@22845
   371
    add_attribute name (Scan.succeed (mk_attribute f));
haftmann@22845
   372
  fun add_del_attribute (name, (add, del)) =
haftmann@22845
   373
    add_attribute name (Args.del |-- Scan.succeed (mk_attribute del)
haftmann@22845
   374
      || Scan.succeed (mk_attribute add))
haftmann@22749
   375
in
haftmann@22845
   376
  val _ = Context.add_setup (add_simple_attribute ("unfold",
haftmann@22845
   377
    fn thm => add_unfold thm #> CodeData.add_inline thm));
haftmann@22845
   378
  val _ = map (Context.add_setup o add_del_attribute) [
haftmann@22845
   379
    ("func", (CodeData.add_func true, CodeData.del_func)),
haftmann@22845
   380
    ("inline", (CodeData.add_inline, CodeData.del_inline))
haftmann@22845
   381
  ];
haftmann@22749
   382
end; (*local*)
haftmann@22749
   383
berghofe@15261
   384
berghofe@11520
   385
(**** associate constants with target language code ****)
berghofe@11520
   386
haftmann@22921
   387
fun gen_assoc_const prep_const (raw_const, syn) thy =
berghofe@11520
   388
  let
berghofe@17144
   389
    val {codegens, tycodegens, consts, types, attrs, preprocs, modules, test_params} =
berghofe@14105
   390
      CodegenData.get thy;
haftmann@22921
   391
    val (cname, T) = prep_const thy raw_const;
berghofe@11520
   392
  in
haftmann@22921
   393
    if num_args_of (fst syn) > length (binder_types T) then
haftmann@22921
   394
      error ("More arguments than in corresponding type of " ^ cname)
haftmann@22921
   395
    else case AList.lookup (op =) consts (cname, T) of
haftmann@22921
   396
      NONE => CodegenData.put {codegens = codegens,
haftmann@22921
   397
        tycodegens = tycodegens,
haftmann@22921
   398
        consts = ((cname, T), syn) :: consts,
haftmann@22921
   399
        types = types, attrs = attrs, preprocs = preprocs,
haftmann@22921
   400
        modules = modules, test_params = test_params} thy
haftmann@22921
   401
    | SOME _ => error ("Constant " ^ cname ^ " already associated with code")
haftmann@22921
   402
  end;
berghofe@11520
   403
haftmann@22921
   404
val assoc_const_i = gen_assoc_const (K I);
haftmann@22921
   405
val assoc_const = gen_assoc_const CodegenConsts.read_bare_const;
berghofe@11520
   406
wenzelm@15801
   407
berghofe@11520
   408
(**** associate types with target language types ****)
berghofe@11520
   409
haftmann@22921
   410
fun assoc_type (s, syn) thy =
berghofe@11520
   411
  let
berghofe@17144
   412
    val {codegens, tycodegens, consts, types, attrs, preprocs, modules, test_params} =
berghofe@14105
   413
      CodegenData.get thy;
haftmann@22921
   414
    val tc = Sign.intern_type thy s;
berghofe@11520
   415
  in
berghofe@18320
   416
    case Symtab.lookup (snd (#types (Type.rep_tsig (Sign.tsig_of thy)))) tc of
berghofe@18320
   417
      SOME (Type.LogicalType i, _) =>
berghofe@18320
   418
        if num_args_of (fst syn) > i then
berghofe@18320
   419
          error ("More arguments than corresponding type constructor " ^ s)
berghofe@18320
   420
        else (case AList.lookup (op =) types tc of
berghofe@18320
   421
          NONE => CodegenData.put {codegens = codegens,
berghofe@18320
   422
            tycodegens = tycodegens, consts = consts,
berghofe@18320
   423
            types = (tc, syn) :: types, attrs = attrs,
berghofe@18320
   424
            preprocs = preprocs, modules = modules, test_params = test_params} thy
berghofe@18320
   425
        | SOME _ => error ("Type " ^ tc ^ " already associated with code"))
berghofe@18320
   426
    | _ => error ("Not a type constructor: " ^ s)
haftmann@22921
   427
  end;
berghofe@11520
   428
haftmann@21098
   429
fun get_assoc_type thy = AList.lookup (op =) ((#types o CodegenData.get) thy);
wenzelm@11546
   430
berghofe@11520
   431
berghofe@11520
   432
(**** make valid ML identifiers ****)
berghofe@11520
   433
berghofe@14858
   434
fun is_ascii_letdig x = Symbol.is_ascii_letter x orelse
berghofe@14858
   435
  Symbol.is_ascii_digit x orelse Symbol.is_ascii_quasi x;
berghofe@14858
   436
berghofe@14858
   437
fun dest_sym s = (case split_last (snd (take_prefix (equal "\\") (explode s))) of
berghofe@14858
   438
    ("<" :: "^" :: xs, ">") => (true, implode xs)
berghofe@14858
   439
  | ("<" :: xs, ">") => (false, implode xs)
berghofe@14858
   440
  | _ => sys_error "dest_sym");
wenzelm@16458
   441
berghofe@14858
   442
fun mk_id s = if s = "" then "" else
berghofe@11520
   443
  let
berghofe@14858
   444
    fun check_str [] = []
berghofe@14858
   445
      | check_str xs = (case take_prefix is_ascii_letdig xs of
berghofe@14858
   446
          ([], " " :: zs) => check_str zs
berghofe@14858
   447
        | ([], z :: zs) =>
berghofe@14858
   448
          if size z = 1 then string_of_int (ord z) :: check_str zs
berghofe@14858
   449
          else (case dest_sym z of
berghofe@14858
   450
              (true, "isub") => check_str zs
berghofe@14858
   451
            | (true, "isup") => "" :: check_str zs
berghofe@14858
   452
            | (ctrl, s') => (if ctrl then "ctrl_" ^ s' else s') :: check_str zs)
berghofe@14858
   453
        | (ys, zs) => implode ys :: check_str zs);
wenzelm@21858
   454
    val s' = space_implode "_" (maps (check_str o Symbol.explode) (NameSpace.explode s))
berghofe@11520
   455
  in
berghofe@14858
   456
    if Symbol.is_ascii_letter (hd (explode s')) then s' else "id_" ^ s'
berghofe@11520
   457
  end;
berghofe@11520
   458
berghofe@17144
   459
fun mk_long_id (p as (tab, used)) module s =
berghofe@16649
   460
  let
berghofe@17144
   461
    fun find_name [] = sys_error "mk_long_id"
berghofe@17144
   462
      | find_name (ys :: yss) =
berghofe@17144
   463
          let
wenzelm@21858
   464
            val s' = NameSpace.implode ys
berghofe@17144
   465
            val s'' = NameSpace.append module s'
wenzelm@17412
   466
          in case Symtab.lookup used s'' of
wenzelm@17261
   467
              NONE => ((module, s'),
wenzelm@17412
   468
                (Symtab.update_new (s, (module, s')) tab,
wenzelm@17412
   469
                 Symtab.update_new (s'', ()) used))
berghofe@17144
   470
            | SOME _ => find_name yss
berghofe@17144
   471
          end
wenzelm@17412
   472
  in case Symtab.lookup tab s of
wenzelm@21858
   473
      NONE => find_name (Library.suffixes1 (NameSpace.explode s))
berghofe@17144
   474
    | SOME name => (name, p)
berghofe@16649
   475
  end;
berghofe@16649
   476
berghofe@17144
   477
(* module:  module name for caller                                        *)
berghofe@17144
   478
(* module': module name for callee                                        *)
berghofe@17144
   479
(* if caller and callee reside in different modules, use qualified access *)
berghofe@16649
   480
berghofe@17144
   481
fun mk_qual_id module (module', s) =
berghofe@17144
   482
  if module = module' orelse module' = "" then s else module' ^ "." ^ s;
berghofe@17144
   483
berghofe@17144
   484
fun mk_const_id module cname (gr, (tab1, tab2)) =
berghofe@16649
   485
  let
berghofe@17144
   486
    val ((module, s), tab1') = mk_long_id tab1 module cname
berghofe@17144
   487
    val s' = mk_id s;
wenzelm@21478
   488
    val s'' = if ML_Syntax.is_reserved s' then s' ^ "_const" else s'
berghofe@17144
   489
  in ((gr, (tab1', tab2)), (module, s'')) end;
berghofe@13073
   490
berghofe@17144
   491
fun get_const_id cname (gr, (tab1, tab2)) =
wenzelm@17412
   492
  case Symtab.lookup (fst tab1) cname of
berghofe@17144
   493
    NONE => error ("get_const_id: no such constant: " ^ quote cname)
berghofe@17144
   494
  | SOME (module, s) =>
berghofe@17144
   495
      let
berghofe@17144
   496
        val s' = mk_id s;
wenzelm@21478
   497
        val s'' = if ML_Syntax.is_reserved s' then s' ^ "_const" else s'
berghofe@17144
   498
      in (module, s'') end;
berghofe@17144
   499
berghofe@17144
   500
fun mk_type_id module tyname (gr, (tab1, tab2)) =
berghofe@16649
   501
  let
berghofe@17144
   502
    val ((module, s), tab2') = mk_long_id tab2 module tyname
berghofe@17144
   503
    val s' = mk_id s;
wenzelm@21478
   504
    val s'' = if ML_Syntax.is_reserved s' then s' ^ "_type" else s'
berghofe@17144
   505
  in ((gr, (tab1, tab2')), (module, s'')) end;
berghofe@16649
   506
berghofe@17144
   507
fun get_type_id tyname (gr, (tab1, tab2)) =
wenzelm@17412
   508
  case Symtab.lookup (fst tab2) tyname of
berghofe@17144
   509
    NONE => error ("get_type_id: no such type: " ^ quote tyname)
berghofe@17144
   510
  | SOME (module, s) =>
berghofe@17144
   511
      let
berghofe@17144
   512
        val s' = mk_id s;
wenzelm@21478
   513
        val s'' = if ML_Syntax.is_reserved s' then s' ^ "_type" else s'
berghofe@17144
   514
      in (module, s'') end;
berghofe@17144
   515
berghofe@17144
   516
fun get_type_id' f tyname tab = apsnd f (get_type_id tyname tab);
berghofe@17144
   517
berghofe@17144
   518
fun get_node (gr, x) k = Graph.get_node gr k;
berghofe@17144
   519
fun add_edge e (gr, x) = (Graph.add_edge e gr, x);
berghofe@17144
   520
fun add_edge_acyclic e (gr, x) = (Graph.add_edge_acyclic e gr, x);
berghofe@17144
   521
fun del_nodes ks (gr, x) = (Graph.del_nodes ks gr, x);
berghofe@17144
   522
fun map_node k f (gr, x) = (Graph.map_node k f gr, x);
berghofe@17144
   523
fun new_node p (gr, x) = (Graph.new_node p gr, x);
berghofe@16649
   524
haftmann@18281
   525
fun theory_of_type s thy =
berghofe@16649
   526
  if Sign.declared_tyname thy s
wenzelm@19473
   527
  then SOME (the_default thy (get_first (theory_of_type s) (Theory.parents_of thy)))
berghofe@16649
   528
  else NONE;
berghofe@16649
   529
haftmann@18281
   530
fun theory_of_const s thy =
berghofe@16649
   531
  if Sign.declared_const thy s
wenzelm@19473
   532
  then SOME (the_default thy (get_first (theory_of_const s) (Theory.parents_of thy)))
berghofe@16649
   533
  else NONE;
berghofe@16649
   534
berghofe@16649
   535
fun thyname_of_type s thy = (case theory_of_type s thy of
berghofe@16649
   536
    NONE => error ("thyname_of_type: no such type: " ^ quote s)
berghofe@16649
   537
  | SOME thy' => Context.theory_name thy');
berghofe@16649
   538
berghofe@16649
   539
fun thyname_of_const s thy = (case theory_of_const s thy of
berghofe@16649
   540
    NONE => error ("thyname_of_const: no such constant: " ^ quote s)
berghofe@16649
   541
  | SOME thy' => Context.theory_name thy');
berghofe@11520
   542
berghofe@13731
   543
fun rename_terms ts =
berghofe@11520
   544
  let
wenzelm@23178
   545
    val names = List.foldr add_term_names
wenzelm@20286
   546
      (map (fst o fst) (rev (fold Term.add_vars ts []))) ts;
wenzelm@21478
   547
    val reserved = filter ML_Syntax.is_reserved names;
wenzelm@19482
   548
    val (illegal, alt_names) = split_list (map_filter (fn s =>
skalberg@15531
   549
      let val s' = mk_id s in if s = s' then NONE else SOME (s, s') end) names)
berghofe@14858
   550
    val ps = (reserved @ illegal) ~~
wenzelm@20071
   551
      Name.variant_list names (map (suffix "'") reserved @ alt_names);
berghofe@11520
   552
haftmann@17521
   553
    fun rename_id s = AList.lookup (op =) ps s |> the_default s;
berghofe@14858
   554
berghofe@14858
   555
    fun rename (Var ((a, i), T)) = Var ((rename_id a, i), T)
berghofe@14858
   556
      | rename (Free (a, T)) = Free (rename_id a, T)
berghofe@11520
   557
      | rename (Abs (s, T, t)) = Abs (s, T, rename t)
berghofe@11520
   558
      | rename (t $ u) = rename t $ rename u
berghofe@11520
   559
      | rename t = t;
berghofe@11520
   560
  in
berghofe@13731
   561
    map rename ts
berghofe@13731
   562
  end;
berghofe@13731
   563
berghofe@13731
   564
val rename_term = hd o rename_terms o single;
berghofe@13731
   565
berghofe@13731
   566
berghofe@13731
   567
(**** retrieve definition of constant ****)
berghofe@13731
   568
berghofe@13731
   569
fun is_instance thy T1 T2 =
wenzelm@19806
   570
  Sign.typ_instance thy (T1, Logic.legacy_varifyT T2);
berghofe@13731
   571
haftmann@22921
   572
fun get_assoc_code thy (s, T) = Option.map snd (find_first (fn ((s', T'), _) =>
berghofe@13731
   573
  s = s' andalso is_instance thy T T') (#consts (CodegenData.get thy)));
berghofe@13731
   574
wenzelm@19482
   575
fun get_aux_code xs = map_filter (fn (m, code) =>
wenzelm@20665
   576
  if m = "" orelse member (op =) (!mode) m then SOME code else NONE) xs;
berghofe@16769
   577
berghofe@16649
   578
fun mk_deftab thy =
berghofe@13731
   579
  let
wenzelm@22680
   580
    val axmss = map (fn thy' => (Context.theory_name thy', Theory.axiom_table thy'))
berghofe@16649
   581
      (thy :: Theory.ancestors_of thy);
berghofe@15261
   582
    fun prep_def def = (case preprocess thy [def] of
berghofe@16649
   583
      [def'] => prop_of def' | _ => error "mk_deftab: bad preprocessor");
berghofe@15261
   584
    fun dest t =
berghofe@15261
   585
      let
berghofe@15261
   586
        val (lhs, rhs) = Logic.dest_equals t;
berghofe@15261
   587
        val (c, args) = strip_comb lhs;
berghofe@16649
   588
        val (s, T) = dest_Const c
berghofe@16649
   589
      in if forall is_Var args then SOME (s, (T, (args, rhs))) else NONE
skalberg@15531
   590
      end handle TERM _ => NONE;
haftmann@21056
   591
    fun add_def thyname (name, t) = (case dest t of
haftmann@21056
   592
        NONE => I
berghofe@16649
   593
      | SOME _ => (case dest (prep_def (Thm.get_axiom thy name)) of
haftmann@21056
   594
          NONE => I
haftmann@21056
   595
        | SOME (s, (T, (args, rhs))) => Symtab.map_default (s, [])
haftmann@21056
   596
            (cons (T, (thyname, split_last (rename_terms (args @ [rhs])))))))
berghofe@13731
   597
  in
haftmann@21056
   598
    fold (fn (thyname, axms) => Symtab.fold (add_def thyname) axms) axmss Symtab.empty
berghofe@11520
   599
  end;
berghofe@11520
   600
wenzelm@17412
   601
fun get_defn thy defs s T = (case Symtab.lookup defs s of
berghofe@16649
   602
    NONE => NONE
berghofe@16649
   603
  | SOME ds =>
berghofe@16649
   604
      let val i = find_index (is_instance thy T o fst) ds
berghofe@16649
   605
      in if i >= 0 then
berghofe@16649
   606
          SOME (List.nth (ds, i), if length ds = 1 then NONE else SOME i)
berghofe@16649
   607
        else NONE
berghofe@16649
   608
      end);
berghofe@16649
   609
berghofe@11520
   610
berghofe@12452
   611
(**** invoke suitable code generator for term / type ****)
berghofe@11520
   612
berghofe@17144
   613
fun codegen_error (gr, _) dep s =
berghofe@17144
   614
  error (s ^ "\nrequired by:\n" ^ commas (Graph.all_succs gr [dep]));
berghofe@17144
   615
berghofe@17144
   616
fun invoke_codegen thy defs dep module brack (gr, t) = (case get_first
berghofe@17144
   617
   (fn (_, f) => f thy defs gr dep module brack t) (#codegens (CodegenData.get thy)) of
berghofe@17144
   618
      NONE => codegen_error gr dep ("Unable to generate code for term:\n" ^
berghofe@17144
   619
        Sign.string_of_term thy t)
skalberg@15531
   620
    | SOME x => x);
berghofe@12452
   621
berghofe@17144
   622
fun invoke_tycodegen thy defs dep module brack (gr, T) = (case get_first
berghofe@17144
   623
   (fn (_, f) => f thy defs gr dep module brack T) (#tycodegens (CodegenData.get thy)) of
berghofe@17144
   624
      NONE => codegen_error gr dep ("Unable to generate code for type:\n" ^
berghofe@17144
   625
        Sign.string_of_typ thy T)
skalberg@15531
   626
    | SOME x => x);
berghofe@11520
   627
berghofe@11520
   628
berghofe@11520
   629
(**** code generator for mixfix expressions ****)
berghofe@11520
   630
berghofe@11520
   631
fun parens p = Pretty.block [Pretty.str "(", p, Pretty.str ")"];
berghofe@11520
   632
berghofe@11520
   633
fun pretty_fn [] p = [p]
berghofe@11520
   634
  | pretty_fn (x::xs) p = Pretty.str ("fn " ^ x ^ " =>") ::
berghofe@11520
   635
      Pretty.brk 1 :: pretty_fn xs p;
berghofe@11520
   636
berghofe@16769
   637
fun pretty_mixfix _ _ [] [] _ = []
berghofe@16769
   638
  | pretty_mixfix module module' (Arg :: ms) (p :: ps) qs =
berghofe@16769
   639
      p :: pretty_mixfix module module' ms ps qs
berghofe@16769
   640
  | pretty_mixfix module module' (Ignore :: ms) ps qs =
berghofe@16769
   641
      pretty_mixfix module module' ms ps qs
berghofe@16769
   642
  | pretty_mixfix module module' (Module :: ms) ps qs =
berghofe@17144
   643
      (if module <> module'
berghofe@16769
   644
       then cons (Pretty.str (module' ^ ".")) else I)
berghofe@16769
   645
      (pretty_mixfix module module' ms ps qs)
berghofe@16769
   646
  | pretty_mixfix module module' (Pretty p :: ms) ps qs =
berghofe@16769
   647
      p :: pretty_mixfix module module' ms ps qs
berghofe@16769
   648
  | pretty_mixfix module module' (Quote _ :: ms) ps (q :: qs) =
berghofe@16769
   649
      q :: pretty_mixfix module module' ms ps qs;
berghofe@11520
   650
haftmann@18102
   651
fun replace_quotes [] [] = []
haftmann@18102
   652
  | replace_quotes xs (Arg :: ms) =
haftmann@18102
   653
      Arg :: replace_quotes xs ms
haftmann@18102
   654
  | replace_quotes xs (Ignore :: ms) =
haftmann@18102
   655
      Ignore :: replace_quotes xs ms
haftmann@18102
   656
  | replace_quotes xs (Module :: ms) =
haftmann@18102
   657
      Module :: replace_quotes xs ms
haftmann@18102
   658
  | replace_quotes xs (Pretty p :: ms) =
haftmann@18102
   659
      Pretty p :: replace_quotes xs ms
haftmann@18102
   660
  | replace_quotes (x::xs) (Quote _ :: ms) =
haftmann@18102
   661
      Quote x :: replace_quotes xs ms;
haftmann@18102
   662
haftmann@18702
   663
fun fillin_mixfix f ms args =
haftmann@18098
   664
  let
haftmann@18281
   665
    fun fillin [] [] =
haftmann@18281
   666
         []
haftmann@18281
   667
      | fillin (Arg :: ms) (a :: args) =
haftmann@18702
   668
          f a :: fillin ms args
haftmann@18281
   669
      | fillin (Ignore :: ms) args =
haftmann@18281
   670
          fillin ms args
haftmann@18281
   671
      | fillin (Module :: ms) args =
haftmann@18281
   672
          fillin ms args
haftmann@18281
   673
      | fillin (Pretty p :: ms) args =
haftmann@18281
   674
          p :: fillin ms args
haftmann@18281
   675
      | fillin (Quote q :: ms) args =
haftmann@18702
   676
          f q :: fillin ms args
haftmann@18281
   677
  in Pretty.block (fillin ms args) end;
haftmann@18098
   678
berghofe@11520
   679
berghofe@12452
   680
(**** default code generators ****)
berghofe@11520
   681
berghofe@11520
   682
fun eta_expand t ts i =
berghofe@11520
   683
  let
berghofe@11520
   684
    val (Ts, _) = strip_type (fastype_of t);
berghofe@11520
   685
    val j = i - length ts
berghofe@11520
   686
  in
wenzelm@23178
   687
    List.foldr (fn (T, t) => Abs ("x", T, t))
skalberg@15574
   688
      (list_comb (t, ts @ map Bound (j-1 downto 0))) (Library.take (j, Ts))
berghofe@11520
   689
  end;
berghofe@11520
   690
berghofe@11520
   691
fun mk_app _ p [] = p
berghofe@11520
   692
  | mk_app brack p ps = if brack then
berghofe@11520
   693
       Pretty.block (Pretty.str "(" ::
berghofe@11520
   694
         separate (Pretty.brk 1) (p :: ps) @ [Pretty.str ")"])
berghofe@11520
   695
     else Pretty.block (separate (Pretty.brk 1) (p :: ps));
berghofe@11520
   696
wenzelm@20071
   697
fun new_names t xs = Name.variant_list
wenzelm@20071
   698
  (map (fst o fst o dest_Var) (term_vars t) union
wenzelm@21719
   699
    add_term_names (t, ML_Syntax.reserved_names)) (map mk_id xs);
berghofe@11520
   700
berghofe@11520
   701
fun new_name t x = hd (new_names t [x]);
berghofe@11520
   702
wenzelm@20665
   703
fun if_library x y = if member (op =) (!mode) "library" then x else y;
berghofe@17144
   704
berghofe@17144
   705
fun default_codegen thy defs gr dep module brack t =
berghofe@11520
   706
  let
berghofe@11520
   707
    val (u, ts) = strip_comb t;
berghofe@17144
   708
    fun codegens brack = foldl_map (invoke_codegen thy defs dep module brack)
berghofe@11520
   709
  in (case u of
berghofe@14105
   710
      Var ((s, i), T) =>
berghofe@14105
   711
        let
berghofe@14105
   712
          val (gr', ps) = codegens true (gr, ts);
berghofe@17144
   713
          val (gr'', _) = invoke_tycodegen thy defs dep module false (gr', T)
skalberg@15531
   714
        in SOME (gr'', mk_app brack (Pretty.str (s ^
berghofe@11520
   715
           (if i=0 then "" else string_of_int i))) ps)
berghofe@11520
   716
        end
berghofe@11520
   717
berghofe@14105
   718
    | Free (s, T) =>
berghofe@14105
   719
        let
berghofe@14105
   720
          val (gr', ps) = codegens true (gr, ts);
berghofe@17144
   721
          val (gr'', _) = invoke_tycodegen thy defs dep module false (gr', T)
skalberg@15531
   722
        in SOME (gr'', mk_app brack (Pretty.str s) ps) end
berghofe@11520
   723
berghofe@11520
   724
    | Const (s, T) =>
haftmann@22921
   725
      (case get_assoc_code thy (s, T) of
berghofe@16769
   726
         SOME (ms, aux) =>
haftmann@18281
   727
           let val i = num_args_of ms
berghofe@11520
   728
           in if length ts < i then
berghofe@17144
   729
               default_codegen thy defs gr dep module brack (eta_expand u ts i)
berghofe@11520
   730
             else
berghofe@11520
   731
               let
berghofe@12452
   732
                 val (ts1, ts2) = args_of ms ts;
berghofe@12452
   733
                 val (gr1, ps1) = codegens false (gr, ts1);
berghofe@12452
   734
                 val (gr2, ps2) = codegens true (gr1, ts2);
berghofe@12452
   735
                 val (gr3, ps3) = codegens false (gr2, quotes_of ms);
berghofe@17549
   736
                 val (gr4, _) = invoke_tycodegen thy defs dep module false
berghofe@17549
   737
                   (gr3, funpow (length ts) (hd o tl o snd o dest_Type) T);
berghofe@17144
   738
                 val (module', suffix) = (case get_defn thy defs s T of
berghofe@17144
   739
                     NONE => (if_library (thyname_of_const s thy) module, "")
berghofe@17144
   740
                   | SOME ((U, (module', _)), NONE) =>
berghofe@17144
   741
                       (if_library module' module, "")
berghofe@17144
   742
                   | SOME ((U, (module', _)), SOME i) =>
berghofe@17144
   743
                       (if_library module' module, " def" ^ string_of_int i));
berghofe@16769
   744
                 val node_id = s ^ suffix;
berghofe@17144
   745
                 fun p module' = mk_app brack (Pretty.block
berghofe@17144
   746
                   (pretty_mixfix module module' ms ps1 ps3)) ps2
berghofe@17549
   747
               in SOME (case try (get_node gr4) node_id of
berghofe@16769
   748
                   NONE => (case get_aux_code aux of
berghofe@17549
   749
                       [] => (gr4, p module)
berghofe@17144
   750
                     | xs => (add_edge (node_id, dep) (new_node
berghofe@17549
   751
                         (node_id, (NONE, module', space_implode "\n" xs ^ "\n")) gr4),
berghofe@17144
   752
                           p module'))
berghofe@17144
   753
                 | SOME (_, module'', _) =>
berghofe@17549
   754
                     (add_edge (node_id, dep) gr4, p module''))
berghofe@11520
   755
               end
berghofe@11520
   756
           end
berghofe@16649
   757
       | NONE => (case get_defn thy defs s T of
skalberg@15531
   758
           NONE => NONE
berghofe@17144
   759
         | SOME ((U, (thyname, (args, rhs))), k) =>
berghofe@11520
   760
             let
berghofe@17144
   761
               val module' = if_library thyname module;
berghofe@17144
   762
               val suffix = (case k of NONE => "" | SOME i => " def" ^ string_of_int i);
berghofe@16649
   763
               val node_id = s ^ suffix;
berghofe@17144
   764
               val (gr', (ps, def_id)) = codegens true (gr, ts) |>>>
berghofe@17144
   765
                 mk_const_id module' (s ^ suffix);
berghofe@17144
   766
               val p = mk_app brack (Pretty.str (mk_qual_id module def_id)) ps
berghofe@17144
   767
             in SOME (case try (get_node gr') node_id of
berghofe@17144
   768
                 NONE =>
berghofe@17144
   769
                   let
berghofe@17144
   770
                     val _ = message ("expanding definition of " ^ s);
berghofe@18788
   771
                     val (Ts, _) = strip_type U;
berghofe@17144
   772
                     val (args', rhs') =
berghofe@17144
   773
                       if not (null args) orelse null Ts then (args, rhs) else
berghofe@17144
   774
                         let val v = Free (new_name rhs "x", hd Ts)
berghofe@17144
   775
                         in ([v], betapply (rhs, v)) end;
berghofe@17144
   776
                     val (gr1, p') = invoke_codegen thy defs node_id module' false
berghofe@17144
   777
                       (add_edge (node_id, dep)
berghofe@17144
   778
                          (new_node (node_id, (NONE, "", "")) gr'), rhs');
berghofe@17144
   779
                     val (gr2, xs) = codegens false (gr1, args');
berghofe@17144
   780
                     val (gr3, _) = invoke_tycodegen thy defs dep module false (gr2, T);
berghofe@17144
   781
                     val (gr4, ty) = invoke_tycodegen thy defs node_id module' false (gr3, U);
berghofe@17144
   782
                   in (map_node node_id (K (NONE, module', Pretty.string_of
berghofe@17144
   783
                       (Pretty.block (separate (Pretty.brk 1)
berghofe@17144
   784
                         (if null args' then
berghofe@17144
   785
                            [Pretty.str ("val " ^ snd def_id ^ " :"), ty]
berghofe@17144
   786
                          else Pretty.str ("fun " ^ snd def_id) :: xs) @
berghofe@17144
   787
                        [Pretty.str " =", Pretty.brk 1, p', Pretty.str ";"])) ^ "\n\n")) gr4,
berghofe@17144
   788
                     p)
berghofe@17144
   789
                   end
berghofe@17144
   790
               | SOME _ => (add_edge (node_id, dep) gr', p))
berghofe@11520
   791
             end))
berghofe@11520
   792
berghofe@11520
   793
    | Abs _ =>
berghofe@11520
   794
      let
berghofe@11520
   795
        val (bs, Ts) = ListPair.unzip (strip_abs_vars u);
berghofe@11520
   796
        val t = strip_abs_body u
berghofe@11520
   797
        val bs' = new_names t bs;
berghofe@12452
   798
        val (gr1, ps) = codegens true (gr, ts);
berghofe@17144
   799
        val (gr2, p) = invoke_codegen thy defs dep module false
berghofe@12452
   800
          (gr1, subst_bounds (map Free (rev (bs' ~~ Ts)), t));
berghofe@11520
   801
      in
skalberg@15531
   802
        SOME (gr2, mk_app brack (Pretty.block (Pretty.str "(" :: pretty_fn bs' p @
berghofe@11520
   803
          [Pretty.str ")"])) ps)
berghofe@11520
   804
      end
berghofe@11520
   805
skalberg@15531
   806
    | _ => NONE)
berghofe@11520
   807
  end;
berghofe@11520
   808
berghofe@17144
   809
fun default_tycodegen thy defs gr dep module brack (TVar ((s, i), _)) =
skalberg@15531
   810
      SOME (gr, Pretty.str (s ^ (if i = 0 then "" else string_of_int i)))
berghofe@17144
   811
  | default_tycodegen thy defs gr dep module brack (TFree (s, _)) =
berghofe@16649
   812
      SOME (gr, Pretty.str s)
berghofe@17144
   813
  | default_tycodegen thy defs gr dep module brack (Type (s, Ts)) =
haftmann@17521
   814
      (case AList.lookup (op =) ((#types o CodegenData.get) thy) s of
skalberg@15531
   815
         NONE => NONE
berghofe@16769
   816
       | SOME (ms, aux) =>
berghofe@12452
   817
           let
berghofe@12452
   818
             val (gr', ps) = foldl_map
berghofe@17144
   819
               (invoke_tycodegen thy defs dep module false)
berghofe@16649
   820
               (gr, fst (args_of ms Ts));
berghofe@12452
   821
             val (gr'', qs) = foldl_map
berghofe@17144
   822
               (invoke_tycodegen thy defs dep module false)
berghofe@16769
   823
               (gr', quotes_of ms);
berghofe@17144
   824
             val module' = if_library (thyname_of_type s thy) module;
berghofe@16769
   825
             val node_id = s ^ " (type)";
berghofe@17144
   826
             fun p module' = Pretty.block (pretty_mixfix module module' ms ps qs)
berghofe@17144
   827
           in SOME (case try (get_node gr'') node_id of
berghofe@16769
   828
               NONE => (case get_aux_code aux of
berghofe@17144
   829
                   [] => (gr'', p module')
berghofe@17144
   830
                 | xs => (fst (mk_type_id module' s
berghofe@17144
   831
                       (add_edge (node_id, dep) (new_node (node_id,
berghofe@17144
   832
                         (NONE, module', space_implode "\n" xs ^ "\n")) gr''))),
berghofe@17144
   833
                     p module'))
berghofe@17144
   834
             | SOME (_, module'', _) =>
berghofe@17144
   835
                 (add_edge (node_id, dep) gr'', p module''))
berghofe@16769
   836
           end);
berghofe@12452
   837
wenzelm@15801
   838
val _ = Context.add_setup
wenzelm@18708
   839
 (add_codegen "default" default_codegen #>
wenzelm@18708
   840
  add_tycodegen "default" default_tycodegen);
wenzelm@15801
   841
berghofe@11520
   842
berghofe@16649
   843
fun mk_struct name s = "structure " ^ name ^ " =\nstruct\n\n" ^ s ^ "end;\n";
berghofe@16649
   844
haftmann@17521
   845
fun add_to_module name s = AList.map_entry (op =) name (suffix s);
berghofe@16649
   846
berghofe@17144
   847
fun output_code gr module xs =
berghofe@16649
   848
  let
wenzelm@19482
   849
    val code = map_filter (fn s =>
berghofe@17144
   850
      let val c as (_, module', _) = Graph.get_node gr s
berghofe@17144
   851
      in if module = "" orelse module = module' then SOME (s, c) else NONE end)
berghofe@17144
   852
        (rev (Graph.all_preds gr xs));
berghofe@16649
   853
    fun string_of_cycle (a :: b :: cs) =
berghofe@16649
   854
          let val SOME (x, y) = get_first (fn (x, (_, a', _)) =>
berghofe@16649
   855
            if a = a' then Option.map (pair x)
haftmann@21056
   856
              (find_first (equal b o #2 o Graph.get_node gr)
berghofe@16649
   857
                (Graph.imm_succs gr x))
berghofe@16649
   858
            else NONE) code
berghofe@16649
   859
          in x ^ " called by " ^ y ^ "\n" ^ string_of_cycle (b :: cs) end
berghofe@16649
   860
      | string_of_cycle _ = ""
berghofe@16649
   861
  in
berghofe@17144
   862
    if module = "" then
berghofe@16649
   863
      let
wenzelm@19046
   864
        val modules = distinct (op =) (map (#2 o snd) code);
wenzelm@23178
   865
        val mod_gr = fold_rev Graph.add_edge_acyclic
wenzelm@19482
   866
          (maps (fn (s, (_, module, _)) => map (pair module)
berghofe@17144
   867
            (filter_out (equal module) (map (#2 o Graph.get_node gr)
wenzelm@23178
   868
              (Graph.imm_succs gr s)))) code)
wenzelm@23178
   869
          (fold_rev (Graph.new_node o rpair ()) modules Graph.empty);
berghofe@16649
   870
        val modules' =
berghofe@16649
   871
          rev (Graph.all_preds mod_gr (map (#2 o Graph.get_node gr) xs))
berghofe@16649
   872
      in
wenzelm@23178
   873
        List.foldl (fn ((_, (_, module, s)), ms) => add_to_module module s ms)
berghofe@16649
   874
          (map (rpair "") modules') code
berghofe@16649
   875
      end handle Graph.CYCLES (cs :: _) =>
berghofe@16649
   876
        error ("Cyclic dependency of modules:\n" ^ commas cs ^
berghofe@16649
   877
          "\n" ^ string_of_cycle cs)
berghofe@17144
   878
    else [(module, implode (map (#3 o snd) code))]
berghofe@16649
   879
  end;
berghofe@11520
   880
berghofe@17144
   881
fun gen_generate_code prep_term thy modules module =
berghofe@14598
   882
  setmp print_mode [] (Pretty.setmp_margin (!margin) (fn xs =>
berghofe@11520
   883
  let
wenzelm@21858
   884
    val _ = (module <> "" orelse
wenzelm@20665
   885
        member (op =) (!mode) "library" andalso forall (equal "" o fst) xs)
wenzelm@21858
   886
      orelse error "missing module name";
berghofe@17144
   887
    val graphs = get_modules thy;
berghofe@16649
   888
    val defs = mk_deftab thy;
berghofe@17144
   889
    val gr = new_node ("<Top>", (NONE, module, ""))
wenzelm@23178
   890
      (List.foldl (fn ((gr, (tab1, tab2)), (gr', (tab1', tab2'))) =>
berghofe@17144
   891
        (Graph.merge (fn ((_, module, _), (_, module', _)) =>
berghofe@17144
   892
           module = module') (gr, gr'),
berghofe@17144
   893
         (merge_nametabs (tab1, tab1'), merge_nametabs (tab2, tab2')))) emptygr
wenzelm@17412
   894
           (map (fn s => case Symtab.lookup graphs s of
berghofe@17144
   895
                NONE => error ("Undefined code module: " ^ s)
berghofe@17144
   896
              | SOME gr => gr) modules))
wenzelm@23655
   897
      handle Graph.DUP k => error ("Duplicate code for " ^ k);
berghofe@16649
   898
    fun expand (t as Abs _) = t
berghofe@16649
   899
      | expand t = (case fastype_of t of
berghofe@16649
   900
          Type ("fun", [T, U]) => Abs ("x", T, t $ Bound 0) | _ => t);
berghofe@11520
   901
    val (gr', ps) = foldl_map (fn (gr, (s, t)) => apsnd (pair s)
berghofe@17144
   902
      (invoke_codegen thy defs "<Top>" module false (gr, t)))
berghofe@17549
   903
        (gr, map (apsnd (expand o preprocess_term thy o prep_term thy)) xs);
wenzelm@19482
   904
    val code = map_filter
berghofe@17144
   905
      (fn ("", _) => NONE
berghofe@17144
   906
        | (s', p) => SOME (Pretty.string_of (Pretty.block
berghofe@17144
   907
          [Pretty.str ("val " ^ s' ^ " ="), Pretty.brk 1, p, Pretty.str ";"]))) ps;
berghofe@17144
   908
    val code' = space_implode "\n\n" code ^ "\n\n";
berghofe@17144
   909
    val code'' =
wenzelm@19482
   910
      map_filter (fn (name, s) =>
wenzelm@20665
   911
          if member (op =) (!mode) "library" andalso name = module andalso null code
berghofe@17144
   912
          then NONE
berghofe@17144
   913
          else SOME (name, mk_struct name s))
berghofe@17144
   914
        ((if null code then I
berghofe@17144
   915
          else add_to_module module code')
berghofe@17144
   916
           (output_code (fst gr') (if_library "" module) ["<Top>"]))
berghofe@16649
   917
  in
berghofe@17144
   918
    (code'', del_nodes ["<Top>"] gr')
berghofe@16649
   919
  end));
berghofe@11520
   920
wenzelm@22680
   921
val generate_code_i = gen_generate_code Sign.cert_term;
wenzelm@22680
   922
val generate_code = gen_generate_code Sign.read_term;
berghofe@11520
   923
berghofe@12452
   924
berghofe@13753
   925
(**** Reflection ****)
berghofe@13753
   926
berghofe@13753
   927
val strip_tname = implode o tl o explode;
berghofe@13753
   928
berghofe@13753
   929
fun pretty_list xs = Pretty.block (Pretty.str "[" ::
wenzelm@19482
   930
  flat (separate [Pretty.str ",", Pretty.brk 1] (map single xs)) @
berghofe@13753
   931
  [Pretty.str "]"]);
berghofe@13753
   932
berghofe@13753
   933
fun mk_type p (TVar ((s, i), _)) = Pretty.str
berghofe@13753
   934
      (strip_tname s ^ (if i = 0 then "" else string_of_int i) ^ "T")
berghofe@13753
   935
  | mk_type p (TFree (s, _)) = Pretty.str (strip_tname s ^ "T")
berghofe@13753
   936
  | mk_type p (Type (s, Ts)) = (if p then parens else I) (Pretty.block
berghofe@13753
   937
      [Pretty.str "Type", Pretty.brk 1, Pretty.str ("(\"" ^ s ^ "\","),
berghofe@13753
   938
       Pretty.brk 1, pretty_list (map (mk_type false) Ts), Pretty.str ")"]);
berghofe@13753
   939
berghofe@17144
   940
fun mk_term_of gr module p (TVar ((s, i), _)) = Pretty.str
berghofe@13753
   941
      (strip_tname s ^ (if i = 0 then "" else string_of_int i) ^ "F")
berghofe@17144
   942
  | mk_term_of gr module p (TFree (s, _)) = Pretty.str (strip_tname s ^ "F")
berghofe@17144
   943
  | mk_term_of gr module p (Type (s, Ts)) = (if p then parens else I)
berghofe@16649
   944
      (Pretty.block (separate (Pretty.brk 1)
berghofe@17144
   945
        (Pretty.str (mk_qual_id module
berghofe@17144
   946
          (get_type_id' (fn s' => "term_of_" ^ s') s gr)) ::
wenzelm@19482
   947
        maps (fn T =>
wenzelm@19482
   948
          [mk_term_of gr module true T, mk_type true T]) Ts)));
berghofe@13753
   949
berghofe@13753
   950
berghofe@14105
   951
(**** Test data generators ****)
berghofe@14105
   952
berghofe@17144
   953
fun mk_gen gr module p xs a (TVar ((s, i), _)) = Pretty.str
berghofe@14105
   954
      (strip_tname s ^ (if i = 0 then "" else string_of_int i) ^ "G")
berghofe@17144
   955
  | mk_gen gr module p xs a (TFree (s, _)) = Pretty.str (strip_tname s ^ "G")
berghofe@17144
   956
  | mk_gen gr module p xs a (Type (s, Ts)) = (if p then parens else I)
berghofe@16649
   957
      (Pretty.block (separate (Pretty.brk 1)
berghofe@17144
   958
        (Pretty.str (mk_qual_id module (get_type_id' (fn s' => "gen_" ^ s') s gr) ^
wenzelm@20665
   959
          (if member (op =) xs s then "'" else "")) ::
berghofe@17144
   960
         map (mk_gen gr module true xs a) Ts @
wenzelm@20665
   961
         (if member (op =) xs s then [Pretty.str a] else []))));
berghofe@14105
   962
skalberg@15531
   963
val test_fn : (int -> (string * term) list option) ref = ref (fn _ => NONE);
berghofe@14105
   964
berghofe@17638
   965
fun test_term thy sz i t =
berghofe@14105
   966
  let
wenzelm@21858
   967
    val _ = (null (term_tvars t) andalso null (term_tfrees t)) orelse
wenzelm@21858
   968
      error "Term to be tested contains type variables";
wenzelm@21858
   969
    val _ = null (term_vars t) orelse
wenzelm@21858
   970
      error "Term to be tested contains schematic variables";
berghofe@14105
   971
    val frees = map dest_Free (term_frees t);
berghofe@17549
   972
    val frees' = frees ~~
berghofe@17549
   973
      map (fn i => "arg" ^ string_of_int i) (1 upto length frees);
berghofe@17144
   974
    val (code, gr) = setmp mode ["term_of", "test"]
berghofe@17144
   975
      (generate_code_i thy [] "Generated") [("testf", list_abs_free (frees, t))];
berghofe@17638
   976
    val s = setmp print_mode [] (fn () => "structure TestTerm =\nstruct\n\n" ^
berghofe@17144
   977
      space_implode "\n" (map snd code) ^
berghofe@16649
   978
      "\nopen Generated;\n\n" ^ Pretty.string_of
berghofe@14105
   979
        (Pretty.block [Pretty.str "val () = Codegen.test_fn :=",
berghofe@17549
   980
          Pretty.brk 1, Pretty.str ("(fn i =>"), Pretty.brk 1,
berghofe@14105
   981
          Pretty.blk (0, [Pretty.str "let", Pretty.brk 1,
berghofe@17549
   982
            Pretty.blk (0, separate Pretty.fbrk (map (fn ((s, T), s') =>
berghofe@17549
   983
              Pretty.block [Pretty.str ("val " ^ s' ^ " ="), Pretty.brk 1,
berghofe@17144
   984
              mk_gen gr "Generated" false [] "" T, Pretty.brk 1,
berghofe@17549
   985
              Pretty.str "i;"]) frees')),
berghofe@14105
   986
            Pretty.brk 1, Pretty.str "in", Pretty.brk 1,
berghofe@14105
   987
            Pretty.block [Pretty.str "if ",
berghofe@17549
   988
              mk_app false (Pretty.str "testf") (map (Pretty.str o snd) frees'),
skalberg@15531
   989
              Pretty.brk 1, Pretty.str "then NONE",
berghofe@14105
   990
              Pretty.brk 1, Pretty.str "else ",
skalberg@15531
   991
              Pretty.block [Pretty.str "SOME ", Pretty.block (Pretty.str "[" ::
wenzelm@19482
   992
                flat (separate [Pretty.str ",", Pretty.brk 1]
berghofe@17549
   993
                  (map (fn ((s, T), s') => [Pretty.block
haftmann@21056
   994
                    [Pretty.str ("(" ^ quote (Symbol.escape s) ^ ","), Pretty.brk 1,
berghofe@17144
   995
                     mk_app false (mk_term_of gr "Generated" false T)
berghofe@17549
   996
                       [Pretty.str s'], Pretty.str ")"]]) frees')) @
berghofe@14105
   997
                  [Pretty.str "]"])]],
wenzelm@14980
   998
            Pretty.brk 1, Pretty.str "end"]), Pretty.str ");"]) ^
berghofe@17638
   999
      "\n\nend;\n") ();
wenzelm@22144
  1000
    val _ = use_text "" Output.ml_output false s;
skalberg@15531
  1001
    fun iter f k = if k > i then NONE
berghofe@14135
  1002
      else (case (f () handle Match =>
skalberg@15531
  1003
          (warning "Exception Match raised in generated code"; NONE)) of
skalberg@15531
  1004
        NONE => iter f (k+1) | SOME x => SOME x);
skalberg@15531
  1005
    fun test k = if k > sz then NONE
berghofe@14105
  1006
      else (priority ("Test data size: " ^ string_of_int k);
berghofe@14105
  1007
        case iter (fn () => !test_fn k) 1 of
skalberg@15531
  1008
          NONE => test (k+1) | SOME x => SOME x);
berghofe@17638
  1009
  in test 0 end;
berghofe@14105
  1010
berghofe@14105
  1011
fun test_goal ({size, iterations, default_type}, tvinsts) i st =
berghofe@14105
  1012
  let
wenzelm@16458
  1013
    val thy = Toplevel.theory_of st;
berghofe@14105
  1014
    fun strip (Const ("all", _) $ Abs (_, _, t)) = strip t
berghofe@14105
  1015
      | strip t = t;
berghofe@14105
  1016
    val (gi, frees) = Logic.goal_params
berghofe@14105
  1017
      (prop_of (snd (snd (Proof.get_goal (Toplevel.proof_of st))))) i;
wenzelm@20548
  1018
    val gi' = ObjectLogic.atomize_term thy (map_types
wenzelm@19502
  1019
      (map_type_tfree (fn p as (s, _) =>
wenzelm@19502
  1020
        the_default (the_default (TFree p) default_type)
wenzelm@19502
  1021
          (AList.lookup (op =) tvinsts s))) (subst_bounds (frees, strip gi)));
berghofe@14105
  1022
  in case test_term (Toplevel.theory_of st) size iterations gi' of
skalberg@15531
  1023
      NONE => writeln "No counterexamples found."
skalberg@15531
  1024
    | SOME cex => writeln ("Counterexample found:\n" ^
berghofe@14105
  1025
        Pretty.string_of (Pretty.chunks (map (fn (s, t) =>
berghofe@14105
  1026
          Pretty.block [Pretty.str (s ^ " ="), Pretty.brk 1,
wenzelm@16458
  1027
            Sign.pretty_term thy t]) cex)))
berghofe@14105
  1028
  end;
berghofe@14105
  1029
berghofe@14105
  1030
berghofe@17549
  1031
(**** Evaluator for terms ****)
berghofe@17549
  1032
berghofe@17549
  1033
val eval_result = ref (Bound 0);
berghofe@17549
  1034
berghofe@17549
  1035
fun eval_term thy = setmp print_mode [] (fn t =>
berghofe@17549
  1036
  let
wenzelm@21858
  1037
    val _ = (null (term_tvars t) andalso null (term_tfrees t)) orelse
wenzelm@21858
  1038
      error "Term to be evaluated contains type variables";
wenzelm@21858
  1039
    val _ = (null (term_vars t) andalso null (term_frees t)) orelse
wenzelm@21858
  1040
      error "Term to be evaluated contains variables";
berghofe@17549
  1041
    val (code, gr) = setmp mode ["term_of"]
berghofe@17549
  1042
      (generate_code_i thy [] "Generated") [("result", t)];
berghofe@17549
  1043
    val s = "structure EvalTerm =\nstruct\n\n" ^
berghofe@17549
  1044
      space_implode "\n" (map snd code) ^
berghofe@17549
  1045
      "\nopen Generated;\n\n" ^ Pretty.string_of
berghofe@17549
  1046
        (Pretty.block [Pretty.str "val () = Codegen.eval_result :=",
berghofe@17549
  1047
          Pretty.brk 1,
berghofe@17549
  1048
          mk_app false (mk_term_of gr "Generated" false (fastype_of t))
berghofe@17549
  1049
            [Pretty.str "result"],
berghofe@17549
  1050
          Pretty.str ";"])  ^
berghofe@17549
  1051
      "\n\nend;\n";
wenzelm@22144
  1052
    val _ = use_text "" Output.ml_output false s
berghofe@17549
  1053
  in !eval_result end);
berghofe@17549
  1054
berghofe@17549
  1055
fun print_evaluated_term s = Toplevel.keep (fn state =>
berghofe@17549
  1056
  let
wenzelm@21506
  1057
    val ctxt = Toplevel.context_of state;
wenzelm@21002
  1058
    val thy = ProofContext.theory_of ctxt;
wenzelm@21002
  1059
    val t = eval_term thy (ProofContext.read_term ctxt s);
berghofe@17549
  1060
    val T = Term.type_of t;
berghofe@17549
  1061
  in
berghofe@17549
  1062
    writeln (Pretty.string_of
berghofe@17549
  1063
      (Pretty.block [Pretty.quote (ProofContext.pretty_term ctxt t), Pretty.fbrk,
berghofe@17549
  1064
        Pretty.str "::", Pretty.brk 1, Pretty.quote (ProofContext.pretty_typ ctxt T)]))
berghofe@17549
  1065
  end);
berghofe@17549
  1066
haftmann@20599
  1067
exception Evaluation of term;
haftmann@20599
  1068
haftmann@20599
  1069
fun evaluation_oracle (thy, Evaluation t) =
haftmann@20599
  1070
  Logic.mk_equals (t, eval_term thy t);
haftmann@20599
  1071
haftmann@20599
  1072
fun evaluation_conv ct =
wenzelm@22596
  1073
  let val {thy, t, ...} = rep_cterm ct
wenzelm@22596
  1074
  in Thm.invoke_oracle_i thy "Pure.evaluation" (thy, Evaluation t) end;
haftmann@20599
  1075
haftmann@20599
  1076
val _ = Context.add_setup
wenzelm@20665
  1077
  (Theory.add_oracle ("evaluation", evaluation_oracle));
berghofe@17549
  1078
berghofe@12452
  1079
(**** Interface ****)
berghofe@12452
  1080
berghofe@13731
  1081
val str = setmp print_mode [] Pretty.str;
berghofe@13731
  1082
berghofe@11520
  1083
fun parse_mixfix rd s =
berghofe@11520
  1084
  (case Scan.finite Symbol.stopper (Scan.repeat
berghofe@11520
  1085
     (   $$ "_" >> K Arg
berghofe@11520
  1086
      || $$ "?" >> K Ignore
berghofe@16769
  1087
      || $$ "\\<module>" >> K Module
berghofe@11520
  1088
      || $$ "/" |-- Scan.repeat ($$ " ") >> (Pretty o Pretty.brk o length)
berghofe@11520
  1089
      || $$ "{" |-- $$ "*" |-- Scan.repeat1
berghofe@11520
  1090
           (   $$ "'" |-- Scan.one Symbol.not_eof
berghofe@11520
  1091
            || Scan.unless ($$ "*" -- $$ "}") (Scan.one Symbol.not_eof)) --|
berghofe@12452
  1092
         $$ "*" --| $$ "}" >> (Quote o rd o implode)
berghofe@11520
  1093
      || Scan.repeat1
berghofe@11520
  1094
           (   $$ "'" |-- Scan.one Symbol.not_eof
berghofe@16769
  1095
            || Scan.unless ($$ "_" || $$ "?" || $$ "\\<module>" || $$ "/" || $$ "{" |-- $$ "*")
berghofe@13731
  1096
                 (Scan.one Symbol.not_eof)) >> (Pretty o str o implode)))
berghofe@11520
  1097
       (Symbol.explode s) of
berghofe@11520
  1098
     (p, []) => p
berghofe@11520
  1099
   | _ => error ("Malformed annotation: " ^ quote s));
berghofe@11520
  1100
wenzelm@15801
  1101
val _ = Context.add_setup
haftmann@22921
  1102
  (fold assoc_type [("fun", (parse_mixfix (K dummyT) "(_ ->/ _)",
berghofe@16769
  1103
     [("term_of",
berghofe@16769
  1104
       "fun term_of_fun_type _ T _ U _ = Free (\"<function>\", T --> U);\n"),
berghofe@16769
  1105
      ("test",
berghofe@16769
  1106
       "fun gen_fun_type _ G i =\n\
berghofe@16769
  1107
       \  let\n\
wenzelm@18679
  1108
       \    val f = ref (fn x => raise Match);\n\
berghofe@16769
  1109
       \    val _ = (f := (fn x =>\n\
berghofe@16769
  1110
       \      let\n\
berghofe@16769
  1111
       \        val y = G i;\n\
berghofe@16769
  1112
       \        val f' = !f\n\
berghofe@16769
  1113
       \      in (f := (fn x' => if x = x' then y else f' x'); y) end))\n\
wenzelm@18708
  1114
       \  in (fn x => !f x) end;\n")]))]);
wenzelm@15801
  1115
wenzelm@15801
  1116
wenzelm@17057
  1117
structure P = OuterParse and K = OuterKeyword;
berghofe@11520
  1118
berghofe@17144
  1119
fun strip_whitespace s = implode (fst (take_suffix (equal "\n" orf equal " ")
berghofe@17144
  1120
  (snd (take_prefix (equal "\n" orf equal " ") (explode s))))) ^ "\n";
berghofe@16769
  1121
berghofe@16769
  1122
val parse_attach = Scan.repeat (P.$$$ "attach" |--
berghofe@16769
  1123
  Scan.optional (P.$$$ "(" |-- P.xname --| P.$$$ ")") "" --
berghofe@17144
  1124
    (P.verbatim >> strip_whitespace));
berghofe@16769
  1125
berghofe@11520
  1126
val assoc_typeP =
berghofe@11520
  1127
  OuterSyntax.command "types_code"
wenzelm@11546
  1128
  "associate types with target language types" K.thy_decl
berghofe@16769
  1129
    (Scan.repeat1 (P.xname --| P.$$$ "(" -- P.string --| P.$$$ ")" -- parse_attach) >>
haftmann@22921
  1130
     (fn xs => Toplevel.theory (fn thy => fold (assoc_type o
haftmann@22921
  1131
       (fn ((name, mfx), aux) => (name, (parse_mixfix
haftmann@22921
  1132
         (Sign.read_typ thy) mfx, aux)))) xs thy)));
berghofe@11520
  1133
berghofe@11520
  1134
val assoc_constP =
berghofe@11520
  1135
  OuterSyntax.command "consts_code"
wenzelm@11546
  1136
  "associate constants with target language code" K.thy_decl
berghofe@11520
  1137
    (Scan.repeat1
haftmann@22921
  1138
       (P.term --|
berghofe@16769
  1139
        P.$$$ "(" -- P.string --| P.$$$ ")" -- parse_attach) >>
haftmann@22921
  1140
     (fn xs => Toplevel.theory (fn thy => fold (assoc_const o 
haftmann@22921
  1141
       (fn ((const, mfx), aux) =>
haftmann@22921
  1142
         (const, (parse_mixfix (Sign.read_term thy) mfx, aux)))) xs thy)));
berghofe@11520
  1143
berghofe@17144
  1144
fun parse_code lib =
berghofe@17144
  1145
  Scan.optional (P.$$$ "(" |-- P.enum "," P.xname --| P.$$$ ")") (!mode) --
berghofe@17144
  1146
  (if lib then Scan.optional P.name "" else P.name) --
berghofe@17144
  1147
  Scan.option (P.$$$ "file" |-- P.name) --
berghofe@17144
  1148
  (if lib then Scan.succeed []
berghofe@17144
  1149
   else Scan.optional (P.$$$ "imports" |-- Scan.repeat1 P.name) []) --|
berghofe@17144
  1150
  P.$$$ "contains" --
berghofe@17144
  1151
  (   Scan.repeat1 (P.name --| P.$$$ "=" -- P.term)
berghofe@17144
  1152
   || Scan.repeat1 (P.term >> pair "")) >>
berghofe@17144
  1153
  (fn ((((mode', module), opt_fname), modules), xs) => Toplevel.theory (fn thy =>
berghofe@17144
  1154
     let
wenzelm@19299
  1155
       val mode'' = (if lib then insert (op =) "library" else I) (remove (op =) "library" mode');
berghofe@17144
  1156
       val (code, gr) = setmp mode mode'' (generate_code thy modules module) xs
berghofe@17144
  1157
     in ((case opt_fname of
wenzelm@22144
  1158
         NONE => use_text "" Output.ml_output false
berghofe@17144
  1159
           (space_implode "\n" (map snd code))
berghofe@17144
  1160
       | SOME fname =>
berghofe@17144
  1161
           if lib then
berghofe@17144
  1162
             app (fn (name, s) => File.write
wenzelm@21858
  1163
                 (Path.append (Path.explode fname) (Path.basic (name ^ ".ML"))) s)
berghofe@17144
  1164
               (("ROOT", implode (map (fn (name, _) =>
berghofe@17144
  1165
                   "use \"" ^ name ^ ".ML\";\n") code)) :: code)
wenzelm@21858
  1166
           else File.write (Path.explode fname) (snd (hd code)));
berghofe@17144
  1167
           if lib then thy
wenzelm@17412
  1168
           else map_modules (Symtab.update (module, gr)) thy)
berghofe@17144
  1169
     end));
berghofe@17144
  1170
berghofe@17144
  1171
val code_libraryP =
berghofe@17144
  1172
  OuterSyntax.command "code_library"
berghofe@17144
  1173
    "generates code for terms (one structure for each theory)" K.thy_decl
berghofe@17144
  1174
    (parse_code true);
berghofe@17144
  1175
berghofe@17144
  1176
val code_moduleP =
berghofe@17144
  1177
  OuterSyntax.command "code_module"
berghofe@17144
  1178
    "generates code for terms (single structure, incremental)" K.thy_decl
berghofe@17144
  1179
    (parse_code false);
berghofe@11520
  1180
berghofe@14105
  1181
val params =
berghofe@14105
  1182
  [("size", P.nat >> (K o set_size)),
berghofe@14105
  1183
   ("iterations", P.nat >> (K o set_iterations)),
berghofe@14105
  1184
   ("default_type", P.typ >> set_default_type)];
berghofe@14105
  1185
berghofe@14105
  1186
val parse_test_params = P.short_ident :-- (fn s =>
haftmann@17521
  1187
  P.$$$ "=" |-- (AList.lookup (op =) params s |> the_default Scan.fail)) >> snd;
berghofe@14105
  1188
berghofe@14105
  1189
fun parse_tyinst xs =
wenzelm@16458
  1190
  (P.type_ident --| P.$$$ "=" -- P.typ >> (fn (v, s) => fn thy =>
wenzelm@22680
  1191
    fn (x, ys) => (x, (v, Sign.read_typ thy s) :: ys))) xs;
berghofe@14105
  1192
berghofe@14105
  1193
fun app [] x = x
berghofe@14105
  1194
  | app (f :: fs) x = app fs (f x);
berghofe@14105
  1195
berghofe@14105
  1196
val test_paramsP =
berghofe@14105
  1197
  OuterSyntax.command "quickcheck_params" "set parameters for random testing" K.thy_decl
berghofe@14105
  1198
    (P.$$$ "[" |-- P.list1 parse_test_params --| P.$$$ "]" >>
berghofe@14105
  1199
      (fn fs => Toplevel.theory (fn thy =>
berghofe@16649
  1200
         map_test_params (app (map (fn f => f thy) fs)) thy)));
berghofe@14105
  1201
berghofe@14105
  1202
val testP =
berghofe@14105
  1203
  OuterSyntax.command "quickcheck" "try to find counterexample for subgoal" K.diag
berghofe@14105
  1204
  (Scan.option (P.$$$ "[" |-- P.list1
wenzelm@16458
  1205
    (   parse_test_params >> (fn f => fn thy => apfst (f thy))
berghofe@14105
  1206
     || parse_tyinst) --| P.$$$ "]") -- Scan.optional P.nat 1 >>
berghofe@14105
  1207
    (fn (ps, g) => Toplevel.keep (fn st =>
wenzelm@19502
  1208
      test_goal (app (the_default [] (Option.map (map (fn f => f (Toplevel.theory_of st))) ps))
berghofe@14105
  1209
        (get_test_params (Toplevel.theory_of st), [])) g st)));
berghofe@14105
  1210
berghofe@17549
  1211
val valueP =
berghofe@17549
  1212
  OuterSyntax.improper_command "value" "read, evaluate and print term" K.diag
berghofe@17549
  1213
    (P.term >> (Toplevel.no_timing oo print_evaluated_term));
berghofe@17549
  1214
berghofe@17144
  1215
val _ = OuterSyntax.add_keywords ["attach", "file", "contains"];
berghofe@16769
  1216
wenzelm@15801
  1217
val _ = OuterSyntax.add_parsers
berghofe@17549
  1218
  [assoc_typeP, assoc_constP, code_libraryP, code_moduleP, test_paramsP, testP, valueP];
berghofe@11520
  1219
berghofe@11520
  1220
end;