src/Pure/codegen.ML
author haftmann
Tue Sep 19 15:22:24 2006 +0200 (2006-09-19)
changeset 20599 65bd267ae23f
parent 20548 8ef25fe585a8
child 20665 7e54c7cc72a5
permissions -rw-r--r--
moved base setup for evaluation oracle hier
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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_consts: (xstring * string option * (term mixfix list *
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    (string * string) list)) list -> theory -> theory
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  val assoc_consts_i: (xstring * typ option * (term mixfix list *
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    (string * string) list)) list -> theory -> theory
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  val assoc_types: (xstring * (typ mixfix list *
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    (string * string) list)) 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 (typ_of (read_ctyp thy s))};
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(* data kind 'Pure/codegen' *)
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structure CodegenData = TheoryDataFun
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(struct
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  val name = "Pure/codegen";
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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 = merge_alists consts1 consts2,
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     types = merge_alists types1 types2,
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     attrs = merge_alists 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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  fun print _ ({codegens, tycodegens, ...} : T) =
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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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val _ = Context.add_setup CodegenData.init;
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val print_codegens = CodegenData.print;
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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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(**** code attribute ****)
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fun add_attribute name att 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 =) attrs name of
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      NONE => CodegenData.put {tycodegens = tycodegens,
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        codegens = codegens, consts = consts, types = types,
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        attrs = if name = "" then attrs @ [(name, att)] else (name, att) :: attrs,
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        preprocs = preprocs, modules = modules,
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        test_params = test_params} thy
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    | SOME _ => error ("Code attribute " ^ name ^ " already declared"))
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  end;
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fun mk_parser (a, p) = (if a = "" then Scan.succeed "" else Args.$$$ a) |-- p;
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val code_attr =
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  Attrib.syntax (Scan.peek (fn context => foldr op || Scan.fail (map mk_parser
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    (#attrs (CodegenData.get (Context.theory_of context))))));
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val _ = Context.add_setup
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  (Attrib.add_attributes [("code", code_attr, "declare theorems for code generation")]);
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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,
berghofe@15261
   330
    codegens = codegens, consts = consts, types = types,
berghofe@15261
   331
    attrs = attrs, preprocs = (stamp (), p) :: preprocs,
berghofe@17144
   332
    modules = modules, test_params = test_params} thy
berghofe@15261
   333
  end;
berghofe@15261
   334
berghofe@15261
   335
fun preprocess thy ths =
berghofe@15261
   336
  let val {preprocs, ...} = CodegenData.get thy
skalberg@15570
   337
  in Library.foldl (fn (ths, (_, f)) => f thy ths) (ths, preprocs) end;
berghofe@15261
   338
berghofe@17549
   339
fun preprocess_term thy t =
berghofe@17549
   340
  let
wenzelm@20071
   341
    val x = Free (Name.variant (add_term_names (t, [])) "x", fastype_of t);
berghofe@17549
   342
    (* fake definition *)
berghofe@17549
   343
    val eq = setmp quick_and_dirty true (SkipProof.make_thm thy)
berghofe@17549
   344
      (Logic.mk_equals (x, t));
berghofe@17549
   345
    fun err () = error "preprocess_term: bad preprocessor"
berghofe@17549
   346
  in case map prop_of (preprocess thy [eq]) of
berghofe@17549
   347
      [Const ("==", _) $ x' $ t'] => if x = x' then t' else err ()
berghofe@17549
   348
    | _ => err ()
berghofe@17549
   349
  end;
haftmann@18281
   350
haftmann@19341
   351
fun add_unfold eqn =
berghofe@15261
   352
  let
wenzelm@18728
   353
    val names = term_consts (fst (Logic.dest_equals (prop_of eqn)));
berghofe@15261
   354
    fun prep thy = map (fn th =>
berghofe@17666
   355
      let val prop = prop_of th
berghofe@17666
   356
      in
berghofe@17666
   357
        if forall (fn name => exists_Const (equal name o fst) prop) names
berghofe@17666
   358
        then rewrite_rule [eqn] (Thm.transfer thy th)
berghofe@17666
   359
        else th
berghofe@17666
   360
      end)
haftmann@19341
   361
  in add_preprocessor prep end;
berghofe@15261
   362
wenzelm@15801
   363
berghofe@15261
   364
berghofe@11520
   365
(**** associate constants with target language code ****)
berghofe@11520
   366
skalberg@15570
   367
fun gen_assoc_consts prep_type xs thy = Library.foldl (fn (thy, (s, tyopt, syn)) =>
berghofe@11520
   368
  let
berghofe@17144
   369
    val {codegens, tycodegens, consts, types, attrs, preprocs, modules, test_params} =
berghofe@14105
   370
      CodegenData.get thy;
wenzelm@16458
   371
    val cname = Sign.intern_const thy s;
berghofe@11520
   372
  in
wenzelm@16458
   373
    (case Sign.const_type thy cname of
skalberg@15531
   374
       SOME T =>
berghofe@11520
   375
         let val T' = (case tyopt of
skalberg@15531
   376
                NONE => T
skalberg@15531
   377
              | SOME ty =>
wenzelm@16458
   378
                  let val U = prep_type thy ty
wenzelm@19419
   379
                  in if Type.raw_instance (U, T) then U
berghofe@11520
   380
                    else error ("Illegal type constraint for constant " ^ cname)
berghofe@11520
   381
                  end)
berghofe@18320
   382
         in
berghofe@18320
   383
           if num_args_of (fst syn) > length (binder_types T') then
berghofe@18320
   384
             error ("More arguments than in corresponding type of " ^ s)
berghofe@18320
   385
           else (case AList.lookup (op =) consts (cname, T') of
skalberg@15531
   386
             NONE => CodegenData.put {codegens = codegens,
berghofe@12452
   387
               tycodegens = tycodegens,
berghofe@12555
   388
               consts = ((cname, T'), syn) :: consts,
berghofe@15261
   389
               types = types, attrs = attrs, preprocs = preprocs,
berghofe@17144
   390
               modules = modules, test_params = test_params} thy
skalberg@15531
   391
           | SOME _ => error ("Constant " ^ cname ^ " already associated with code"))
berghofe@11520
   392
         end
berghofe@11520
   393
     | _ => error ("Not a constant: " ^ s))
berghofe@11520
   394
  end) (thy, xs);
berghofe@11520
   395
berghofe@11520
   396
val assoc_consts_i = gen_assoc_consts (K I);
wenzelm@16458
   397
val assoc_consts = gen_assoc_consts (typ_of oo read_ctyp);
berghofe@11520
   398
wenzelm@15801
   399
berghofe@11520
   400
(**** associate types with target language types ****)
berghofe@11520
   401
skalberg@15570
   402
fun assoc_types xs thy = Library.foldl (fn (thy, (s, syn)) =>
berghofe@11520
   403
  let
berghofe@17144
   404
    val {codegens, tycodegens, consts, types, attrs, preprocs, modules, test_params} =
berghofe@14105
   405
      CodegenData.get thy;
berghofe@16649
   406
    val tc = Sign.intern_type thy s
berghofe@11520
   407
  in
berghofe@18320
   408
    case Symtab.lookup (snd (#types (Type.rep_tsig (Sign.tsig_of thy)))) tc of
berghofe@18320
   409
      SOME (Type.LogicalType i, _) =>
berghofe@18320
   410
        if num_args_of (fst syn) > i then
berghofe@18320
   411
          error ("More arguments than corresponding type constructor " ^ s)
berghofe@18320
   412
        else (case AList.lookup (op =) types tc of
berghofe@18320
   413
          NONE => CodegenData.put {codegens = codegens,
berghofe@18320
   414
            tycodegens = tycodegens, consts = consts,
berghofe@18320
   415
            types = (tc, syn) :: types, attrs = attrs,
berghofe@18320
   416
            preprocs = preprocs, modules = modules, test_params = test_params} thy
berghofe@18320
   417
        | SOME _ => error ("Type " ^ tc ^ " already associated with code"))
berghofe@18320
   418
    | _ => error ("Not a type constructor: " ^ s)
berghofe@11520
   419
  end) (thy, xs);
berghofe@11520
   420
haftmann@17521
   421
fun get_assoc_type thy s = AList.lookup (op =) ((#types o CodegenData.get) thy) s;
wenzelm@11546
   422
berghofe@11520
   423
berghofe@11520
   424
(**** make valid ML identifiers ****)
berghofe@11520
   425
berghofe@14858
   426
fun is_ascii_letdig x = Symbol.is_ascii_letter x orelse
berghofe@14858
   427
  Symbol.is_ascii_digit x orelse Symbol.is_ascii_quasi x;
berghofe@14858
   428
berghofe@14858
   429
fun dest_sym s = (case split_last (snd (take_prefix (equal "\\") (explode s))) of
berghofe@14858
   430
    ("<" :: "^" :: xs, ">") => (true, implode xs)
berghofe@14858
   431
  | ("<" :: xs, ">") => (false, implode xs)
berghofe@14858
   432
  | _ => sys_error "dest_sym");
wenzelm@16458
   433
berghofe@14858
   434
fun mk_id s = if s = "" then "" else
berghofe@11520
   435
  let
berghofe@14858
   436
    fun check_str [] = []
berghofe@14858
   437
      | check_str xs = (case take_prefix is_ascii_letdig xs of
berghofe@14858
   438
          ([], " " :: zs) => check_str zs
berghofe@14858
   439
        | ([], z :: zs) =>
berghofe@14858
   440
          if size z = 1 then string_of_int (ord z) :: check_str zs
berghofe@14858
   441
          else (case dest_sym z of
berghofe@14858
   442
              (true, "isub") => check_str zs
berghofe@14858
   443
            | (true, "isup") => "" :: check_str zs
berghofe@14858
   444
            | (ctrl, s') => (if ctrl then "ctrl_" ^ s' else s') :: check_str zs)
berghofe@14858
   445
        | (ys, zs) => implode ys :: check_str zs);
wenzelm@19482
   446
    val s' = space_implode "_" (maps (check_str o Symbol.explode) (NameSpace.unpack s))
berghofe@11520
   447
  in
berghofe@14858
   448
    if Symbol.is_ascii_letter (hd (explode s')) then s' else "id_" ^ s'
berghofe@11520
   449
  end;
berghofe@11520
   450
berghofe@17144
   451
fun mk_long_id (p as (tab, used)) module s =
berghofe@16649
   452
  let
berghofe@17144
   453
    fun find_name [] = sys_error "mk_long_id"
berghofe@17144
   454
      | find_name (ys :: yss) =
berghofe@17144
   455
          let
berghofe@17144
   456
            val s' = NameSpace.pack ys
berghofe@17144
   457
            val s'' = NameSpace.append module s'
wenzelm@17412
   458
          in case Symtab.lookup used s'' of
wenzelm@17261
   459
              NONE => ((module, s'),
wenzelm@17412
   460
                (Symtab.update_new (s, (module, s')) tab,
wenzelm@17412
   461
                 Symtab.update_new (s'', ()) used))
berghofe@17144
   462
            | SOME _ => find_name yss
berghofe@17144
   463
          end
wenzelm@17412
   464
  in case Symtab.lookup tab s of
berghofe@17144
   465
      NONE => find_name (Library.suffixes1 (NameSpace.unpack s))
berghofe@17144
   466
    | SOME name => (name, p)
berghofe@16649
   467
  end;
berghofe@16649
   468
berghofe@17144
   469
(* module:  module name for caller                                        *)
berghofe@17144
   470
(* module': module name for callee                                        *)
berghofe@17144
   471
(* if caller and callee reside in different modules, use qualified access *)
berghofe@16649
   472
berghofe@17144
   473
fun mk_qual_id module (module', s) =
berghofe@17144
   474
  if module = module' orelse module' = "" then s else module' ^ "." ^ s;
berghofe@17144
   475
berghofe@17144
   476
fun mk_const_id module cname (gr, (tab1, tab2)) =
berghofe@16649
   477
  let
berghofe@17144
   478
    val ((module, s), tab1') = mk_long_id tab1 module cname
berghofe@17144
   479
    val s' = mk_id s;
berghofe@16649
   480
    val s'' = if s' mem ThmDatabase.ml_reserved then s' ^ "_const" else s'
berghofe@17144
   481
  in ((gr, (tab1', tab2)), (module, s'')) end;
berghofe@13073
   482
berghofe@17144
   483
fun get_const_id cname (gr, (tab1, tab2)) =
wenzelm@17412
   484
  case Symtab.lookup (fst tab1) cname of
berghofe@17144
   485
    NONE => error ("get_const_id: no such constant: " ^ quote cname)
berghofe@17144
   486
  | SOME (module, s) =>
berghofe@17144
   487
      let
berghofe@17144
   488
        val s' = mk_id s;
berghofe@17144
   489
        val s'' = if s' mem ThmDatabase.ml_reserved then s' ^ "_const" else s'
berghofe@17144
   490
      in (module, s'') end;
berghofe@17144
   491
berghofe@17144
   492
fun mk_type_id module tyname (gr, (tab1, tab2)) =
berghofe@16649
   493
  let
berghofe@17144
   494
    val ((module, s), tab2') = mk_long_id tab2 module tyname
berghofe@17144
   495
    val s' = mk_id s;
berghofe@17144
   496
    val s'' = if s' mem ThmDatabase.ml_reserved then s' ^ "_type" else s'
berghofe@17144
   497
  in ((gr, (tab1, tab2')), (module, s'')) end;
berghofe@16649
   498
berghofe@17144
   499
fun get_type_id tyname (gr, (tab1, tab2)) =
wenzelm@17412
   500
  case Symtab.lookup (fst tab2) tyname of
berghofe@17144
   501
    NONE => error ("get_type_id: no such type: " ^ quote tyname)
berghofe@17144
   502
  | SOME (module, s) =>
berghofe@17144
   503
      let
berghofe@17144
   504
        val s' = mk_id s;
berghofe@17144
   505
        val s'' = if s' mem ThmDatabase.ml_reserved then s' ^ "_type" else s'
berghofe@17144
   506
      in (module, s'') end;
berghofe@17144
   507
berghofe@17144
   508
fun get_type_id' f tyname tab = apsnd f (get_type_id tyname tab);
berghofe@17144
   509
berghofe@17144
   510
fun get_node (gr, x) k = Graph.get_node gr k;
berghofe@17144
   511
fun add_edge e (gr, x) = (Graph.add_edge e gr, x);
berghofe@17144
   512
fun add_edge_acyclic e (gr, x) = (Graph.add_edge_acyclic e gr, x);
berghofe@17144
   513
fun del_nodes ks (gr, x) = (Graph.del_nodes ks gr, x);
berghofe@17144
   514
fun map_node k f (gr, x) = (Graph.map_node k f gr, x);
berghofe@17144
   515
fun new_node p (gr, x) = (Graph.new_node p gr, x);
berghofe@16649
   516
haftmann@18281
   517
fun theory_of_type s thy =
berghofe@16649
   518
  if Sign.declared_tyname thy s
wenzelm@19473
   519
  then SOME (the_default thy (get_first (theory_of_type s) (Theory.parents_of thy)))
berghofe@16649
   520
  else NONE;
berghofe@16649
   521
haftmann@18281
   522
fun theory_of_const s thy =
berghofe@16649
   523
  if Sign.declared_const thy s
wenzelm@19473
   524
  then SOME (the_default thy (get_first (theory_of_const s) (Theory.parents_of thy)))
berghofe@16649
   525
  else NONE;
berghofe@16649
   526
berghofe@16649
   527
fun thyname_of_type s thy = (case theory_of_type s thy of
berghofe@16649
   528
    NONE => error ("thyname_of_type: no such type: " ^ quote s)
berghofe@16649
   529
  | SOME thy' => Context.theory_name thy');
berghofe@16649
   530
berghofe@16649
   531
fun thyname_of_const s thy = (case theory_of_const s thy of
berghofe@16649
   532
    NONE => error ("thyname_of_const: no such constant: " ^ quote s)
berghofe@16649
   533
  | SOME thy' => Context.theory_name thy');
berghofe@11520
   534
berghofe@13731
   535
fun rename_terms ts =
berghofe@11520
   536
  let
skalberg@15574
   537
    val names = foldr add_term_names
wenzelm@20286
   538
      (map (fst o fst) (rev (fold Term.add_vars ts []))) ts;
berghofe@14858
   539
    val reserved = names inter ThmDatabase.ml_reserved;
wenzelm@19482
   540
    val (illegal, alt_names) = split_list (map_filter (fn s =>
skalberg@15531
   541
      let val s' = mk_id s in if s = s' then NONE else SOME (s, s') end) names)
berghofe@14858
   542
    val ps = (reserved @ illegal) ~~
wenzelm@20071
   543
      Name.variant_list names (map (suffix "'") reserved @ alt_names);
berghofe@11520
   544
haftmann@17521
   545
    fun rename_id s = AList.lookup (op =) ps s |> the_default s;
berghofe@14858
   546
berghofe@14858
   547
    fun rename (Var ((a, i), T)) = Var ((rename_id a, i), T)
berghofe@14858
   548
      | rename (Free (a, T)) = Free (rename_id a, T)
berghofe@11520
   549
      | rename (Abs (s, T, t)) = Abs (s, T, rename t)
berghofe@11520
   550
      | rename (t $ u) = rename t $ rename u
berghofe@11520
   551
      | rename t = t;
berghofe@11520
   552
  in
berghofe@13731
   553
    map rename ts
berghofe@13731
   554
  end;
berghofe@13731
   555
berghofe@13731
   556
val rename_term = hd o rename_terms o single;
berghofe@13731
   557
berghofe@13731
   558
berghofe@13731
   559
(**** retrieve definition of constant ****)
berghofe@13731
   560
berghofe@13731
   561
fun is_instance thy T1 T2 =
wenzelm@19806
   562
  Sign.typ_instance thy (T1, Logic.legacy_varifyT T2);
berghofe@13731
   563
haftmann@18098
   564
fun get_assoc_code thy s T = Option.map snd (Library.find_first (fn ((s', T'), _) =>
berghofe@13731
   565
  s = s' andalso is_instance thy T T') (#consts (CodegenData.get thy)));
berghofe@13731
   566
wenzelm@19482
   567
fun get_aux_code xs = map_filter (fn (m, code) =>
berghofe@16769
   568
  if m = "" orelse m mem !mode then SOME code else NONE) xs;
berghofe@16769
   569
berghofe@16649
   570
fun mk_deftab thy =
berghofe@13731
   571
  let
berghofe@16649
   572
    val axmss = map (fn thy' =>
berghofe@16649
   573
      (Context.theory_name thy', snd (#axioms (Theory.rep_theory thy'))))
berghofe@16649
   574
      (thy :: Theory.ancestors_of thy);
berghofe@15261
   575
    fun prep_def def = (case preprocess thy [def] of
berghofe@16649
   576
      [def'] => prop_of def' | _ => error "mk_deftab: bad preprocessor");
berghofe@15261
   577
    fun dest t =
berghofe@15261
   578
      let
berghofe@15261
   579
        val (lhs, rhs) = Logic.dest_equals t;
berghofe@15261
   580
        val (c, args) = strip_comb lhs;
berghofe@16649
   581
        val (s, T) = dest_Const c
berghofe@16649
   582
      in if forall is_Var args then SOME (s, (T, (args, rhs))) else NONE
skalberg@15531
   583
      end handle TERM _ => NONE;
berghofe@16649
   584
    fun add_def thyname (defs, (name, t)) = (case dest t of
berghofe@16649
   585
        NONE => defs
berghofe@16649
   586
      | SOME _ => (case dest (prep_def (Thm.get_axiom thy name)) of
berghofe@16649
   587
          NONE => defs
wenzelm@17412
   588
        | SOME (s, (T, (args, rhs))) => Symtab.update
wenzelm@17261
   589
            (s, (T, (thyname, split_last (rename_terms (args @ [rhs])))) ::
wenzelm@19473
   590
            the_default [] (Symtab.lookup defs s)) defs))
berghofe@13731
   591
  in
berghofe@16649
   592
    foldl (fn ((thyname, axms), defs) =>
berghofe@16649
   593
      Symtab.foldl (add_def thyname) (defs, axms)) Symtab.empty axmss
berghofe@11520
   594
  end;
berghofe@11520
   595
wenzelm@17412
   596
fun get_defn thy defs s T = (case Symtab.lookup defs s of
berghofe@16649
   597
    NONE => NONE
berghofe@16649
   598
  | SOME ds =>
berghofe@16649
   599
      let val i = find_index (is_instance thy T o fst) ds
berghofe@16649
   600
      in if i >= 0 then
berghofe@16649
   601
          SOME (List.nth (ds, i), if length ds = 1 then NONE else SOME i)
berghofe@16649
   602
        else NONE
berghofe@16649
   603
      end);
berghofe@16649
   604
berghofe@11520
   605
berghofe@12452
   606
(**** invoke suitable code generator for term / type ****)
berghofe@11520
   607
berghofe@17144
   608
fun codegen_error (gr, _) dep s =
berghofe@17144
   609
  error (s ^ "\nrequired by:\n" ^ commas (Graph.all_succs gr [dep]));
berghofe@17144
   610
berghofe@17144
   611
fun invoke_codegen thy defs dep module brack (gr, t) = (case get_first
berghofe@17144
   612
   (fn (_, f) => f thy defs gr dep module brack t) (#codegens (CodegenData.get thy)) of
berghofe@17144
   613
      NONE => codegen_error gr dep ("Unable to generate code for term:\n" ^
berghofe@17144
   614
        Sign.string_of_term thy t)
skalberg@15531
   615
    | SOME x => x);
berghofe@12452
   616
berghofe@17144
   617
fun invoke_tycodegen thy defs dep module brack (gr, T) = (case get_first
berghofe@17144
   618
   (fn (_, f) => f thy defs gr dep module brack T) (#tycodegens (CodegenData.get thy)) of
berghofe@17144
   619
      NONE => codegen_error gr dep ("Unable to generate code for type:\n" ^
berghofe@17144
   620
        Sign.string_of_typ thy T)
skalberg@15531
   621
    | SOME x => x);
berghofe@11520
   622
berghofe@11520
   623
berghofe@11520
   624
(**** code generator for mixfix expressions ****)
berghofe@11520
   625
berghofe@11520
   626
fun parens p = Pretty.block [Pretty.str "(", p, Pretty.str ")"];
berghofe@11520
   627
berghofe@11520
   628
fun pretty_fn [] p = [p]
berghofe@11520
   629
  | pretty_fn (x::xs) p = Pretty.str ("fn " ^ x ^ " =>") ::
berghofe@11520
   630
      Pretty.brk 1 :: pretty_fn xs p;
berghofe@11520
   631
berghofe@16769
   632
fun pretty_mixfix _ _ [] [] _ = []
berghofe@16769
   633
  | pretty_mixfix module module' (Arg :: ms) (p :: ps) qs =
berghofe@16769
   634
      p :: pretty_mixfix module module' ms ps qs
berghofe@16769
   635
  | pretty_mixfix module module' (Ignore :: ms) ps qs =
berghofe@16769
   636
      pretty_mixfix module module' ms ps qs
berghofe@16769
   637
  | pretty_mixfix module module' (Module :: ms) ps qs =
berghofe@17144
   638
      (if module <> module'
berghofe@16769
   639
       then cons (Pretty.str (module' ^ ".")) else I)
berghofe@16769
   640
      (pretty_mixfix module module' ms ps qs)
berghofe@16769
   641
  | pretty_mixfix module module' (Pretty p :: ms) ps qs =
berghofe@16769
   642
      p :: pretty_mixfix module module' ms ps qs
berghofe@16769
   643
  | pretty_mixfix module module' (Quote _ :: ms) ps (q :: qs) =
berghofe@16769
   644
      q :: pretty_mixfix module module' ms ps qs;
berghofe@11520
   645
haftmann@18102
   646
fun replace_quotes [] [] = []
haftmann@18102
   647
  | replace_quotes xs (Arg :: ms) =
haftmann@18102
   648
      Arg :: replace_quotes xs ms
haftmann@18102
   649
  | replace_quotes xs (Ignore :: ms) =
haftmann@18102
   650
      Ignore :: replace_quotes xs ms
haftmann@18102
   651
  | replace_quotes xs (Module :: ms) =
haftmann@18102
   652
      Module :: replace_quotes xs ms
haftmann@18102
   653
  | replace_quotes xs (Pretty p :: ms) =
haftmann@18102
   654
      Pretty p :: replace_quotes xs ms
haftmann@18102
   655
  | replace_quotes (x::xs) (Quote _ :: ms) =
haftmann@18102
   656
      Quote x :: replace_quotes xs ms;
haftmann@18102
   657
haftmann@18702
   658
fun fillin_mixfix f ms args =
haftmann@18098
   659
  let
haftmann@18281
   660
    fun fillin [] [] =
haftmann@18281
   661
         []
haftmann@18281
   662
      | fillin (Arg :: ms) (a :: args) =
haftmann@18702
   663
          f a :: fillin ms args
haftmann@18281
   664
      | fillin (Ignore :: ms) args =
haftmann@18281
   665
          fillin ms args
haftmann@18281
   666
      | fillin (Module :: ms) args =
haftmann@18281
   667
          fillin ms args
haftmann@18281
   668
      | fillin (Pretty p :: ms) args =
haftmann@18281
   669
          p :: fillin ms args
haftmann@18281
   670
      | fillin (Quote q :: ms) args =
haftmann@18702
   671
          f q :: fillin ms args
haftmann@18281
   672
  in Pretty.block (fillin ms args) end;
haftmann@18098
   673
berghofe@11520
   674
berghofe@12452
   675
(**** default code generators ****)
berghofe@11520
   676
berghofe@11520
   677
fun eta_expand t ts i =
berghofe@11520
   678
  let
berghofe@11520
   679
    val (Ts, _) = strip_type (fastype_of t);
berghofe@11520
   680
    val j = i - length ts
berghofe@11520
   681
  in
skalberg@15574
   682
    foldr (fn (T, t) => Abs ("x", T, t))
skalberg@15574
   683
      (list_comb (t, ts @ map Bound (j-1 downto 0))) (Library.take (j, Ts))
berghofe@11520
   684
  end;
berghofe@11520
   685
berghofe@11520
   686
fun mk_app _ p [] = p
berghofe@11520
   687
  | mk_app brack p ps = if brack then
berghofe@11520
   688
       Pretty.block (Pretty.str "(" ::
berghofe@11520
   689
         separate (Pretty.brk 1) (p :: ps) @ [Pretty.str ")"])
berghofe@11520
   690
     else Pretty.block (separate (Pretty.brk 1) (p :: ps));
berghofe@11520
   691
wenzelm@20071
   692
fun new_names t xs = Name.variant_list
wenzelm@20071
   693
  (map (fst o fst o dest_Var) (term_vars t) union
wenzelm@20071
   694
    add_term_names (t, ThmDatabase.ml_reserved)) (map mk_id xs);
berghofe@11520
   695
berghofe@11520
   696
fun new_name t x = hd (new_names t [x]);
berghofe@11520
   697
berghofe@17144
   698
fun if_library x y = if "library" mem !mode then x else y;
berghofe@17144
   699
berghofe@17144
   700
fun default_codegen thy defs gr dep module brack t =
berghofe@11520
   701
  let
berghofe@11520
   702
    val (u, ts) = strip_comb t;
berghofe@17144
   703
    fun codegens brack = foldl_map (invoke_codegen thy defs dep module brack)
berghofe@11520
   704
  in (case u of
berghofe@14105
   705
      Var ((s, i), T) =>
berghofe@14105
   706
        let
berghofe@14105
   707
          val (gr', ps) = codegens true (gr, ts);
berghofe@17144
   708
          val (gr'', _) = invoke_tycodegen thy defs dep module false (gr', T)
skalberg@15531
   709
        in SOME (gr'', mk_app brack (Pretty.str (s ^
berghofe@11520
   710
           (if i=0 then "" else string_of_int i))) ps)
berghofe@11520
   711
        end
berghofe@11520
   712
berghofe@14105
   713
    | Free (s, T) =>
berghofe@14105
   714
        let
berghofe@14105
   715
          val (gr', ps) = codegens true (gr, ts);
berghofe@17144
   716
          val (gr'', _) = invoke_tycodegen thy defs dep module false (gr', T)
skalberg@15531
   717
        in SOME (gr'', mk_app brack (Pretty.str s) ps) end
berghofe@11520
   718
berghofe@11520
   719
    | Const (s, T) =>
berghofe@11520
   720
      (case get_assoc_code thy s T of
berghofe@16769
   721
         SOME (ms, aux) =>
haftmann@18281
   722
           let val i = num_args_of ms
berghofe@11520
   723
           in if length ts < i then
berghofe@17144
   724
               default_codegen thy defs gr dep module brack (eta_expand u ts i)
berghofe@11520
   725
             else
berghofe@11520
   726
               let
berghofe@12452
   727
                 val (ts1, ts2) = args_of ms ts;
berghofe@12452
   728
                 val (gr1, ps1) = codegens false (gr, ts1);
berghofe@12452
   729
                 val (gr2, ps2) = codegens true (gr1, ts2);
berghofe@12452
   730
                 val (gr3, ps3) = codegens false (gr2, quotes_of ms);
berghofe@17549
   731
                 val (gr4, _) = invoke_tycodegen thy defs dep module false
berghofe@17549
   732
                   (gr3, funpow (length ts) (hd o tl o snd o dest_Type) T);
berghofe@17144
   733
                 val (module', suffix) = (case get_defn thy defs s T of
berghofe@17144
   734
                     NONE => (if_library (thyname_of_const s thy) module, "")
berghofe@17144
   735
                   | SOME ((U, (module', _)), NONE) =>
berghofe@17144
   736
                       (if_library module' module, "")
berghofe@17144
   737
                   | SOME ((U, (module', _)), SOME i) =>
berghofe@17144
   738
                       (if_library module' module, " def" ^ string_of_int i));
berghofe@16769
   739
                 val node_id = s ^ suffix;
berghofe@17144
   740
                 fun p module' = mk_app brack (Pretty.block
berghofe@17144
   741
                   (pretty_mixfix module module' ms ps1 ps3)) ps2
berghofe@17549
   742
               in SOME (case try (get_node gr4) node_id of
berghofe@16769
   743
                   NONE => (case get_aux_code aux of
berghofe@17549
   744
                       [] => (gr4, p module)
berghofe@17144
   745
                     | xs => (add_edge (node_id, dep) (new_node
berghofe@17549
   746
                         (node_id, (NONE, module', space_implode "\n" xs ^ "\n")) gr4),
berghofe@17144
   747
                           p module'))
berghofe@17144
   748
                 | SOME (_, module'', _) =>
berghofe@17549
   749
                     (add_edge (node_id, dep) gr4, p module''))
berghofe@11520
   750
               end
berghofe@11520
   751
           end
berghofe@16649
   752
       | NONE => (case get_defn thy defs s T of
skalberg@15531
   753
           NONE => NONE
berghofe@17144
   754
         | SOME ((U, (thyname, (args, rhs))), k) =>
berghofe@11520
   755
             let
berghofe@17144
   756
               val module' = if_library thyname module;
berghofe@17144
   757
               val suffix = (case k of NONE => "" | SOME i => " def" ^ string_of_int i);
berghofe@16649
   758
               val node_id = s ^ suffix;
berghofe@17144
   759
               val (gr', (ps, def_id)) = codegens true (gr, ts) |>>>
berghofe@17144
   760
                 mk_const_id module' (s ^ suffix);
berghofe@17144
   761
               val p = mk_app brack (Pretty.str (mk_qual_id module def_id)) ps
berghofe@17144
   762
             in SOME (case try (get_node gr') node_id of
berghofe@17144
   763
                 NONE =>
berghofe@17144
   764
                   let
berghofe@17144
   765
                     val _ = message ("expanding definition of " ^ s);
berghofe@18788
   766
                     val (Ts, _) = strip_type U;
berghofe@17144
   767
                     val (args', rhs') =
berghofe@17144
   768
                       if not (null args) orelse null Ts then (args, rhs) else
berghofe@17144
   769
                         let val v = Free (new_name rhs "x", hd Ts)
berghofe@17144
   770
                         in ([v], betapply (rhs, v)) end;
berghofe@17144
   771
                     val (gr1, p') = invoke_codegen thy defs node_id module' false
berghofe@17144
   772
                       (add_edge (node_id, dep)
berghofe@17144
   773
                          (new_node (node_id, (NONE, "", "")) gr'), rhs');
berghofe@17144
   774
                     val (gr2, xs) = codegens false (gr1, args');
berghofe@17144
   775
                     val (gr3, _) = invoke_tycodegen thy defs dep module false (gr2, T);
berghofe@17144
   776
                     val (gr4, ty) = invoke_tycodegen thy defs node_id module' false (gr3, U);
berghofe@17144
   777
                   in (map_node node_id (K (NONE, module', Pretty.string_of
berghofe@17144
   778
                       (Pretty.block (separate (Pretty.brk 1)
berghofe@17144
   779
                         (if null args' then
berghofe@17144
   780
                            [Pretty.str ("val " ^ snd def_id ^ " :"), ty]
berghofe@17144
   781
                          else Pretty.str ("fun " ^ snd def_id) :: xs) @
berghofe@17144
   782
                        [Pretty.str " =", Pretty.brk 1, p', Pretty.str ";"])) ^ "\n\n")) gr4,
berghofe@17144
   783
                     p)
berghofe@17144
   784
                   end
berghofe@17144
   785
               | SOME _ => (add_edge (node_id, dep) gr', p))
berghofe@11520
   786
             end))
berghofe@11520
   787
berghofe@11520
   788
    | Abs _ =>
berghofe@11520
   789
      let
berghofe@11520
   790
        val (bs, Ts) = ListPair.unzip (strip_abs_vars u);
berghofe@11520
   791
        val t = strip_abs_body u
berghofe@11520
   792
        val bs' = new_names t bs;
berghofe@12452
   793
        val (gr1, ps) = codegens true (gr, ts);
berghofe@17144
   794
        val (gr2, p) = invoke_codegen thy defs dep module false
berghofe@12452
   795
          (gr1, subst_bounds (map Free (rev (bs' ~~ Ts)), t));
berghofe@11520
   796
      in
skalberg@15531
   797
        SOME (gr2, mk_app brack (Pretty.block (Pretty.str "(" :: pretty_fn bs' p @
berghofe@11520
   798
          [Pretty.str ")"])) ps)
berghofe@11520
   799
      end
berghofe@11520
   800
skalberg@15531
   801
    | _ => NONE)
berghofe@11520
   802
  end;
berghofe@11520
   803
berghofe@17144
   804
fun default_tycodegen thy defs gr dep module brack (TVar ((s, i), _)) =
skalberg@15531
   805
      SOME (gr, Pretty.str (s ^ (if i = 0 then "" else string_of_int i)))
berghofe@17144
   806
  | default_tycodegen thy defs gr dep module brack (TFree (s, _)) =
berghofe@16649
   807
      SOME (gr, Pretty.str s)
berghofe@17144
   808
  | default_tycodegen thy defs gr dep module brack (Type (s, Ts)) =
haftmann@17521
   809
      (case AList.lookup (op =) ((#types o CodegenData.get) thy) s of
skalberg@15531
   810
         NONE => NONE
berghofe@16769
   811
       | SOME (ms, aux) =>
berghofe@12452
   812
           let
berghofe@12452
   813
             val (gr', ps) = foldl_map
berghofe@17144
   814
               (invoke_tycodegen thy defs dep module false)
berghofe@16649
   815
               (gr, fst (args_of ms Ts));
berghofe@12452
   816
             val (gr'', qs) = foldl_map
berghofe@17144
   817
               (invoke_tycodegen thy defs dep module false)
berghofe@16769
   818
               (gr', quotes_of ms);
berghofe@17144
   819
             val module' = if_library (thyname_of_type s thy) module;
berghofe@16769
   820
             val node_id = s ^ " (type)";
berghofe@17144
   821
             fun p module' = Pretty.block (pretty_mixfix module module' ms ps qs)
berghofe@17144
   822
           in SOME (case try (get_node gr'') node_id of
berghofe@16769
   823
               NONE => (case get_aux_code aux of
berghofe@17144
   824
                   [] => (gr'', p module')
berghofe@17144
   825
                 | xs => (fst (mk_type_id module' s
berghofe@17144
   826
                       (add_edge (node_id, dep) (new_node (node_id,
berghofe@17144
   827
                         (NONE, module', space_implode "\n" xs ^ "\n")) gr''))),
berghofe@17144
   828
                     p module'))
berghofe@17144
   829
             | SOME (_, module'', _) =>
berghofe@17144
   830
                 (add_edge (node_id, dep) gr'', p module''))
berghofe@16769
   831
           end);
berghofe@12452
   832
wenzelm@15801
   833
val _ = Context.add_setup
wenzelm@18708
   834
 (add_codegen "default" default_codegen #>
wenzelm@18708
   835
  add_tycodegen "default" default_tycodegen);
wenzelm@15801
   836
berghofe@11520
   837
berghofe@16649
   838
fun mk_struct name s = "structure " ^ name ^ " =\nstruct\n\n" ^ s ^ "end;\n";
berghofe@16649
   839
haftmann@17521
   840
fun add_to_module name s = AList.map_entry (op =) name (suffix s);
berghofe@16649
   841
berghofe@17144
   842
fun output_code gr module xs =
berghofe@16649
   843
  let
wenzelm@19482
   844
    val code = map_filter (fn s =>
berghofe@17144
   845
      let val c as (_, module', _) = Graph.get_node gr s
berghofe@17144
   846
      in if module = "" orelse module = module' then SOME (s, c) else NONE end)
berghofe@17144
   847
        (rev (Graph.all_preds gr xs));
berghofe@16649
   848
    fun string_of_cycle (a :: b :: cs) =
berghofe@16649
   849
          let val SOME (x, y) = get_first (fn (x, (_, a', _)) =>
berghofe@16649
   850
            if a = a' then Option.map (pair x)
haftmann@18098
   851
              (Library.find_first (equal b o #2 o Graph.get_node gr)
berghofe@16649
   852
                (Graph.imm_succs gr x))
berghofe@16649
   853
            else NONE) code
berghofe@16649
   854
          in x ^ " called by " ^ y ^ "\n" ^ string_of_cycle (b :: cs) end
berghofe@16649
   855
      | string_of_cycle _ = ""
berghofe@16649
   856
  in
berghofe@17144
   857
    if module = "" then
berghofe@16649
   858
      let
wenzelm@19046
   859
        val modules = distinct (op =) (map (#2 o snd) code);
berghofe@16649
   860
        val mod_gr = foldr (uncurry Graph.add_edge_acyclic)
berghofe@16649
   861
          (foldr (uncurry (Graph.new_node o rpair ())) Graph.empty modules)
wenzelm@19482
   862
          (maps (fn (s, (_, module, _)) => map (pair module)
berghofe@17144
   863
            (filter_out (equal module) (map (#2 o Graph.get_node gr)
wenzelm@19482
   864
              (Graph.imm_succs gr s)))) code);
berghofe@16649
   865
        val modules' =
berghofe@16649
   866
          rev (Graph.all_preds mod_gr (map (#2 o Graph.get_node gr) xs))
berghofe@16649
   867
      in
berghofe@17144
   868
        foldl (fn ((_, (_, module, s)), ms) => add_to_module module s ms)
berghofe@16649
   869
          (map (rpair "") modules') code
berghofe@16649
   870
      end handle Graph.CYCLES (cs :: _) =>
berghofe@16649
   871
        error ("Cyclic dependency of modules:\n" ^ commas cs ^
berghofe@16649
   872
          "\n" ^ string_of_cycle cs)
berghofe@17144
   873
    else [(module, implode (map (#3 o snd) code))]
berghofe@16649
   874
  end;
berghofe@11520
   875
berghofe@17144
   876
fun gen_generate_code prep_term thy modules module =
berghofe@14598
   877
  setmp print_mode [] (Pretty.setmp_margin (!margin) (fn xs =>
berghofe@11520
   878
  let
berghofe@17144
   879
    val _ = assert (module <> "" orelse
berghofe@17144
   880
        "library" mem !mode andalso forall (equal "" o fst) xs)
berghofe@17144
   881
      "missing module name";
berghofe@17144
   882
    val graphs = get_modules thy;
berghofe@16649
   883
    val defs = mk_deftab thy;
berghofe@17144
   884
    val gr = new_node ("<Top>", (NONE, module, ""))
berghofe@17144
   885
      (foldl (fn ((gr, (tab1, tab2)), (gr', (tab1', tab2'))) =>
berghofe@17144
   886
        (Graph.merge (fn ((_, module, _), (_, module', _)) =>
berghofe@17144
   887
           module = module') (gr, gr'),
berghofe@17144
   888
         (merge_nametabs (tab1, tab1'), merge_nametabs (tab2, tab2')))) emptygr
wenzelm@17412
   889
           (map (fn s => case Symtab.lookup graphs s of
berghofe@17144
   890
                NONE => error ("Undefined code module: " ^ s)
berghofe@17144
   891
              | SOME gr => gr) modules))
berghofe@17144
   892
      handle Graph.DUPS ks => error ("Duplicate code for " ^ commas ks);
berghofe@16649
   893
    fun expand (t as Abs _) = t
berghofe@16649
   894
      | expand t = (case fastype_of t of
berghofe@16649
   895
          Type ("fun", [T, U]) => Abs ("x", T, t $ Bound 0) | _ => t);
berghofe@11520
   896
    val (gr', ps) = foldl_map (fn (gr, (s, t)) => apsnd (pair s)
berghofe@17144
   897
      (invoke_codegen thy defs "<Top>" module false (gr, t)))
berghofe@17549
   898
        (gr, map (apsnd (expand o preprocess_term thy o prep_term thy)) xs);
wenzelm@19482
   899
    val code = map_filter
berghofe@17144
   900
      (fn ("", _) => NONE
berghofe@17144
   901
        | (s', p) => SOME (Pretty.string_of (Pretty.block
berghofe@17144
   902
          [Pretty.str ("val " ^ s' ^ " ="), Pretty.brk 1, p, Pretty.str ";"]))) ps;
berghofe@17144
   903
    val code' = space_implode "\n\n" code ^ "\n\n";
berghofe@17144
   904
    val code'' =
wenzelm@19482
   905
      map_filter (fn (name, s) =>
berghofe@17144
   906
          if "library" mem !mode andalso name = module andalso null code
berghofe@17144
   907
          then NONE
berghofe@17144
   908
          else SOME (name, mk_struct name s))
berghofe@17144
   909
        ((if null code then I
berghofe@17144
   910
          else add_to_module module code')
berghofe@17144
   911
           (output_code (fst gr') (if_library "" module) ["<Top>"]))
berghofe@16649
   912
  in
berghofe@17144
   913
    (code'', del_nodes ["<Top>"] gr')
berghofe@16649
   914
  end));
berghofe@11520
   915
berghofe@11520
   916
val generate_code_i = gen_generate_code (K I);
berghofe@11520
   917
val generate_code = gen_generate_code
wenzelm@16458
   918
  (fn thy => term_of o read_cterm thy o rpair TypeInfer.logicT);
berghofe@11520
   919
berghofe@12452
   920
berghofe@13753
   921
(**** Reflection ****)
berghofe@13753
   922
berghofe@13753
   923
val strip_tname = implode o tl o explode;
berghofe@13753
   924
berghofe@13753
   925
fun pretty_list xs = Pretty.block (Pretty.str "[" ::
wenzelm@19482
   926
  flat (separate [Pretty.str ",", Pretty.brk 1] (map single xs)) @
berghofe@13753
   927
  [Pretty.str "]"]);
berghofe@13753
   928
berghofe@13753
   929
fun mk_type p (TVar ((s, i), _)) = Pretty.str
berghofe@13753
   930
      (strip_tname s ^ (if i = 0 then "" else string_of_int i) ^ "T")
berghofe@13753
   931
  | mk_type p (TFree (s, _)) = Pretty.str (strip_tname s ^ "T")
berghofe@13753
   932
  | mk_type p (Type (s, Ts)) = (if p then parens else I) (Pretty.block
berghofe@13753
   933
      [Pretty.str "Type", Pretty.brk 1, Pretty.str ("(\"" ^ s ^ "\","),
berghofe@13753
   934
       Pretty.brk 1, pretty_list (map (mk_type false) Ts), Pretty.str ")"]);
berghofe@13753
   935
berghofe@17144
   936
fun mk_term_of gr module p (TVar ((s, i), _)) = Pretty.str
berghofe@13753
   937
      (strip_tname s ^ (if i = 0 then "" else string_of_int i) ^ "F")
berghofe@17144
   938
  | mk_term_of gr module p (TFree (s, _)) = Pretty.str (strip_tname s ^ "F")
berghofe@17144
   939
  | mk_term_of gr module p (Type (s, Ts)) = (if p then parens else I)
berghofe@16649
   940
      (Pretty.block (separate (Pretty.brk 1)
berghofe@17144
   941
        (Pretty.str (mk_qual_id module
berghofe@17144
   942
          (get_type_id' (fn s' => "term_of_" ^ s') s gr)) ::
wenzelm@19482
   943
        maps (fn T =>
wenzelm@19482
   944
          [mk_term_of gr module true T, mk_type true T]) Ts)));
berghofe@13753
   945
berghofe@13753
   946
berghofe@14105
   947
(**** Test data generators ****)
berghofe@14105
   948
berghofe@17144
   949
fun mk_gen gr module p xs a (TVar ((s, i), _)) = Pretty.str
berghofe@14105
   950
      (strip_tname s ^ (if i = 0 then "" else string_of_int i) ^ "G")
berghofe@17144
   951
  | mk_gen gr module p xs a (TFree (s, _)) = Pretty.str (strip_tname s ^ "G")
berghofe@17144
   952
  | mk_gen gr module p xs a (Type (s, Ts)) = (if p then parens else I)
berghofe@16649
   953
      (Pretty.block (separate (Pretty.brk 1)
berghofe@17144
   954
        (Pretty.str (mk_qual_id module (get_type_id' (fn s' => "gen_" ^ s') s gr) ^
berghofe@16649
   955
          (if s mem xs then "'" else "")) ::
berghofe@17144
   956
         map (mk_gen gr module true xs a) Ts @
berghofe@16649
   957
         (if s mem xs then [Pretty.str a] else []))));
berghofe@14105
   958
skalberg@15531
   959
val test_fn : (int -> (string * term) list option) ref = ref (fn _ => NONE);
berghofe@14105
   960
berghofe@17638
   961
fun test_term thy sz i t =
berghofe@14105
   962
  let
berghofe@14105
   963
    val _ = assert (null (term_tvars t) andalso null (term_tfrees t))
berghofe@14105
   964
      "Term to be tested contains type variables";
berghofe@14105
   965
    val _ = assert (null (term_vars t))
berghofe@14105
   966
      "Term to be tested contains schematic variables";
berghofe@14105
   967
    val frees = map dest_Free (term_frees t);
berghofe@17549
   968
    val frees' = frees ~~
berghofe@17549
   969
      map (fn i => "arg" ^ string_of_int i) (1 upto length frees);
berghofe@17144
   970
    val (code, gr) = setmp mode ["term_of", "test"]
berghofe@17144
   971
      (generate_code_i thy [] "Generated") [("testf", list_abs_free (frees, t))];
berghofe@17638
   972
    val s = setmp print_mode [] (fn () => "structure TestTerm =\nstruct\n\n" ^
berghofe@17144
   973
      space_implode "\n" (map snd code) ^
berghofe@16649
   974
      "\nopen Generated;\n\n" ^ Pretty.string_of
berghofe@14105
   975
        (Pretty.block [Pretty.str "val () = Codegen.test_fn :=",
berghofe@17549
   976
          Pretty.brk 1, Pretty.str ("(fn i =>"), Pretty.brk 1,
berghofe@14105
   977
          Pretty.blk (0, [Pretty.str "let", Pretty.brk 1,
berghofe@17549
   978
            Pretty.blk (0, separate Pretty.fbrk (map (fn ((s, T), s') =>
berghofe@17549
   979
              Pretty.block [Pretty.str ("val " ^ s' ^ " ="), Pretty.brk 1,
berghofe@17144
   980
              mk_gen gr "Generated" false [] "" T, Pretty.brk 1,
berghofe@17549
   981
              Pretty.str "i;"]) frees')),
berghofe@14105
   982
            Pretty.brk 1, Pretty.str "in", Pretty.brk 1,
berghofe@14105
   983
            Pretty.block [Pretty.str "if ",
berghofe@17549
   984
              mk_app false (Pretty.str "testf") (map (Pretty.str o snd) frees'),
skalberg@15531
   985
              Pretty.brk 1, Pretty.str "then NONE",
berghofe@14105
   986
              Pretty.brk 1, Pretty.str "else ",
skalberg@15531
   987
              Pretty.block [Pretty.str "SOME ", Pretty.block (Pretty.str "[" ::
wenzelm@19482
   988
                flat (separate [Pretty.str ",", Pretty.brk 1]
berghofe@17549
   989
                  (map (fn ((s, T), s') => [Pretty.block
berghofe@15326
   990
                    [Pretty.str ("(" ^ Library.quote (Symbol.escape s) ^ ","), Pretty.brk 1,
berghofe@17144
   991
                     mk_app false (mk_term_of gr "Generated" false T)
berghofe@17549
   992
                       [Pretty.str s'], Pretty.str ")"]]) frees')) @
berghofe@14105
   993
                  [Pretty.str "]"])]],
wenzelm@14980
   994
            Pretty.brk 1, Pretty.str "end"]), Pretty.str ");"]) ^
berghofe@17638
   995
      "\n\nend;\n") ();
berghofe@14105
   996
    val _ = use_text Context.ml_output false s;
skalberg@15531
   997
    fun iter f k = if k > i then NONE
berghofe@14135
   998
      else (case (f () handle Match =>
skalberg@15531
   999
          (warning "Exception Match raised in generated code"; NONE)) of
skalberg@15531
  1000
        NONE => iter f (k+1) | SOME x => SOME x);
skalberg@15531
  1001
    fun test k = if k > sz then NONE
berghofe@14105
  1002
      else (priority ("Test data size: " ^ string_of_int k);
berghofe@14105
  1003
        case iter (fn () => !test_fn k) 1 of
skalberg@15531
  1004
          NONE => test (k+1) | SOME x => SOME x);
berghofe@17638
  1005
  in test 0 end;
berghofe@14105
  1006
berghofe@14105
  1007
fun test_goal ({size, iterations, default_type}, tvinsts) i st =
berghofe@14105
  1008
  let
wenzelm@16458
  1009
    val thy = Toplevel.theory_of st;
berghofe@14105
  1010
    fun strip (Const ("all", _) $ Abs (_, _, t)) = strip t
berghofe@14105
  1011
      | strip t = t;
berghofe@14105
  1012
    val (gi, frees) = Logic.goal_params
berghofe@14105
  1013
      (prop_of (snd (snd (Proof.get_goal (Toplevel.proof_of st))))) i;
wenzelm@20548
  1014
    val gi' = ObjectLogic.atomize_term thy (map_types
wenzelm@19502
  1015
      (map_type_tfree (fn p as (s, _) =>
wenzelm@19502
  1016
        the_default (the_default (TFree p) default_type)
wenzelm@19502
  1017
          (AList.lookup (op =) tvinsts s))) (subst_bounds (frees, strip gi)));
berghofe@14105
  1018
  in case test_term (Toplevel.theory_of st) size iterations gi' of
skalberg@15531
  1019
      NONE => writeln "No counterexamples found."
skalberg@15531
  1020
    | SOME cex => writeln ("Counterexample found:\n" ^
berghofe@14105
  1021
        Pretty.string_of (Pretty.chunks (map (fn (s, t) =>
berghofe@14105
  1022
          Pretty.block [Pretty.str (s ^ " ="), Pretty.brk 1,
wenzelm@16458
  1023
            Sign.pretty_term thy t]) cex)))
berghofe@14105
  1024
  end;
berghofe@14105
  1025
berghofe@14105
  1026
berghofe@17549
  1027
(**** Evaluator for terms ****)
berghofe@17549
  1028
berghofe@17549
  1029
val eval_result = ref (Bound 0);
berghofe@17549
  1030
berghofe@17549
  1031
fun eval_term thy = setmp print_mode [] (fn t =>
berghofe@17549
  1032
  let
berghofe@17549
  1033
    val _ = assert (null (term_tvars t) andalso null (term_tfrees t))
berghofe@17549
  1034
      "Term to be evaluated contains type variables";
berghofe@17549
  1035
    val _ = assert (null (term_vars t) andalso null (term_frees t))
berghofe@17549
  1036
      "Term to be evaluated contains variables";
berghofe@17549
  1037
    val (code, gr) = setmp mode ["term_of"]
berghofe@17549
  1038
      (generate_code_i thy [] "Generated") [("result", t)];
berghofe@17549
  1039
    val s = "structure EvalTerm =\nstruct\n\n" ^
berghofe@17549
  1040
      space_implode "\n" (map snd code) ^
berghofe@17549
  1041
      "\nopen Generated;\n\n" ^ Pretty.string_of
berghofe@17549
  1042
        (Pretty.block [Pretty.str "val () = Codegen.eval_result :=",
berghofe@17549
  1043
          Pretty.brk 1,
berghofe@17549
  1044
          mk_app false (mk_term_of gr "Generated" false (fastype_of t))
berghofe@17549
  1045
            [Pretty.str "result"],
berghofe@17549
  1046
          Pretty.str ";"])  ^
berghofe@17549
  1047
      "\n\nend;\n";
berghofe@17549
  1048
    val _ = use_text Context.ml_output false s
berghofe@17549
  1049
  in !eval_result end);
berghofe@17549
  1050
berghofe@17549
  1051
fun print_evaluated_term s = Toplevel.keep (fn state =>
berghofe@17549
  1052
  let
berghofe@17549
  1053
    val state' = Toplevel.enter_forward_proof state;
berghofe@17549
  1054
    val ctxt = Proof.context_of state';
berghofe@17549
  1055
    val t = eval_term (Proof.theory_of state') (ProofContext.read_term ctxt s);
berghofe@17549
  1056
    val T = Term.type_of t;
berghofe@17549
  1057
  in
berghofe@17549
  1058
    writeln (Pretty.string_of
berghofe@17549
  1059
      (Pretty.block [Pretty.quote (ProofContext.pretty_term ctxt t), Pretty.fbrk,
berghofe@17549
  1060
        Pretty.str "::", Pretty.brk 1, Pretty.quote (ProofContext.pretty_typ ctxt T)]))
berghofe@17549
  1061
  end);
berghofe@17549
  1062
haftmann@20599
  1063
exception Evaluation of term;
haftmann@20599
  1064
haftmann@20599
  1065
fun evaluation_oracle (thy, Evaluation t) =
haftmann@20599
  1066
  Logic.mk_equals (t, eval_term thy t);
haftmann@20599
  1067
haftmann@20599
  1068
fun evaluation_conv ct =
haftmann@20599
  1069
  let val {sign, t, ...} = rep_cterm ct
haftmann@20599
  1070
  in Thm.invoke_oracle_i sign "Pure.Evaluation" (sign, Evaluation t) end;
haftmann@20599
  1071
haftmann@20599
  1072
val _ = Context.add_setup
haftmann@20599
  1073
  (Theory.add_oracle ("Evaluation", evaluation_oracle));
berghofe@17549
  1074
berghofe@12452
  1075
(**** Interface ****)
berghofe@12452
  1076
berghofe@13731
  1077
val str = setmp print_mode [] Pretty.str;
berghofe@13731
  1078
berghofe@11520
  1079
fun parse_mixfix rd s =
berghofe@11520
  1080
  (case Scan.finite Symbol.stopper (Scan.repeat
berghofe@11520
  1081
     (   $$ "_" >> K Arg
berghofe@11520
  1082
      || $$ "?" >> K Ignore
berghofe@16769
  1083
      || $$ "\\<module>" >> K Module
berghofe@11520
  1084
      || $$ "/" |-- Scan.repeat ($$ " ") >> (Pretty o Pretty.brk o length)
berghofe@11520
  1085
      || $$ "{" |-- $$ "*" |-- Scan.repeat1
berghofe@11520
  1086
           (   $$ "'" |-- Scan.one Symbol.not_eof
berghofe@11520
  1087
            || Scan.unless ($$ "*" -- $$ "}") (Scan.one Symbol.not_eof)) --|
berghofe@12452
  1088
         $$ "*" --| $$ "}" >> (Quote o rd o implode)
berghofe@11520
  1089
      || Scan.repeat1
berghofe@11520
  1090
           (   $$ "'" |-- Scan.one Symbol.not_eof
berghofe@16769
  1091
            || Scan.unless ($$ "_" || $$ "?" || $$ "\\<module>" || $$ "/" || $$ "{" |-- $$ "*")
berghofe@13731
  1092
                 (Scan.one Symbol.not_eof)) >> (Pretty o str o implode)))
berghofe@11520
  1093
       (Symbol.explode s) of
berghofe@11520
  1094
     (p, []) => p
berghofe@11520
  1095
   | _ => error ("Malformed annotation: " ^ quote s));
berghofe@11520
  1096
wenzelm@15801
  1097
val _ = Context.add_setup
wenzelm@18708
  1098
  (assoc_types [("fun", (parse_mixfix (K dummyT) "(_ ->/ _)",
berghofe@16769
  1099
     [("term_of",
berghofe@16769
  1100
       "fun term_of_fun_type _ T _ U _ = Free (\"<function>\", T --> U);\n"),
berghofe@16769
  1101
      ("test",
berghofe@16769
  1102
       "fun gen_fun_type _ G i =\n\
berghofe@16769
  1103
       \  let\n\
wenzelm@18679
  1104
       \    val f = ref (fn x => raise Match);\n\
berghofe@16769
  1105
       \    val _ = (f := (fn x =>\n\
berghofe@16769
  1106
       \      let\n\
berghofe@16769
  1107
       \        val y = G i;\n\
berghofe@16769
  1108
       \        val f' = !f\n\
berghofe@16769
  1109
       \      in (f := (fn x' => if x = x' then y else f' x'); y) end))\n\
wenzelm@18708
  1110
       \  in (fn x => !f x) end;\n")]))]);
wenzelm@15801
  1111
wenzelm@15801
  1112
wenzelm@17057
  1113
structure P = OuterParse and K = OuterKeyword;
berghofe@11520
  1114
berghofe@17144
  1115
fun strip_whitespace s = implode (fst (take_suffix (equal "\n" orf equal " ")
berghofe@17144
  1116
  (snd (take_prefix (equal "\n" orf equal " ") (explode s))))) ^ "\n";
berghofe@16769
  1117
berghofe@16769
  1118
val parse_attach = Scan.repeat (P.$$$ "attach" |--
berghofe@16769
  1119
  Scan.optional (P.$$$ "(" |-- P.xname --| P.$$$ ")") "" --
berghofe@17144
  1120
    (P.verbatim >> strip_whitespace));
berghofe@16769
  1121
berghofe@11520
  1122
val assoc_typeP =
berghofe@11520
  1123
  OuterSyntax.command "types_code"
wenzelm@11546
  1124
  "associate types with target language types" K.thy_decl
berghofe@16769
  1125
    (Scan.repeat1 (P.xname --| P.$$$ "(" -- P.string --| P.$$$ ")" -- parse_attach) >>
berghofe@12452
  1126
     (fn xs => Toplevel.theory (fn thy => assoc_types
berghofe@16769
  1127
       (map (fn ((name, mfx), aux) => (name, (parse_mixfix
berghofe@16769
  1128
         (typ_of o read_ctyp thy) mfx, aux))) xs) thy)));
berghofe@11520
  1129
berghofe@11520
  1130
val assoc_constP =
berghofe@11520
  1131
  OuterSyntax.command "consts_code"
wenzelm@11546
  1132
  "associate constants with target language code" K.thy_decl
berghofe@11520
  1133
    (Scan.repeat1
wenzelm@13003
  1134
       (P.xname -- (Scan.option (P.$$$ "::" |-- P.typ)) --|
berghofe@16769
  1135
        P.$$$ "(" -- P.string --| P.$$$ ")" -- parse_attach) >>
berghofe@11520
  1136
     (fn xs => Toplevel.theory (fn thy => assoc_consts
berghofe@16769
  1137
       (map (fn (((name, optype), mfx), aux) => (name, optype, (parse_mixfix
berghofe@16769
  1138
         (term_of o read_cterm thy o rpair TypeInfer.logicT) mfx, aux)))
berghofe@11520
  1139
           xs) thy)));
berghofe@11520
  1140
berghofe@17144
  1141
fun parse_code lib =
berghofe@17144
  1142
  Scan.optional (P.$$$ "(" |-- P.enum "," P.xname --| P.$$$ ")") (!mode) --
berghofe@17144
  1143
  (if lib then Scan.optional P.name "" else P.name) --
berghofe@17144
  1144
  Scan.option (P.$$$ "file" |-- P.name) --
berghofe@17144
  1145
  (if lib then Scan.succeed []
berghofe@17144
  1146
   else Scan.optional (P.$$$ "imports" |-- Scan.repeat1 P.name) []) --|
berghofe@17144
  1147
  P.$$$ "contains" --
berghofe@17144
  1148
  (   Scan.repeat1 (P.name --| P.$$$ "=" -- P.term)
berghofe@17144
  1149
   || Scan.repeat1 (P.term >> pair "")) >>
berghofe@17144
  1150
  (fn ((((mode', module), opt_fname), modules), xs) => Toplevel.theory (fn thy =>
berghofe@17144
  1151
     let
wenzelm@19299
  1152
       val mode'' = (if lib then insert (op =) "library" else I) (remove (op =) "library" mode');
berghofe@17144
  1153
       val (code, gr) = setmp mode mode'' (generate_code thy modules module) xs
berghofe@17144
  1154
     in ((case opt_fname of
berghofe@17144
  1155
         NONE => use_text Context.ml_output false
berghofe@17144
  1156
           (space_implode "\n" (map snd code))
berghofe@17144
  1157
       | SOME fname =>
berghofe@17144
  1158
           if lib then
berghofe@17144
  1159
             app (fn (name, s) => File.write
berghofe@17144
  1160
                 (Path.append (Path.unpack fname) (Path.basic (name ^ ".ML"))) s)
berghofe@17144
  1161
               (("ROOT", implode (map (fn (name, _) =>
berghofe@17144
  1162
                   "use \"" ^ name ^ ".ML\";\n") code)) :: code)
berghofe@17144
  1163
           else File.write (Path.unpack fname) (snd (hd code)));
berghofe@17144
  1164
           if lib then thy
wenzelm@17412
  1165
           else map_modules (Symtab.update (module, gr)) thy)
berghofe@17144
  1166
     end));
berghofe@17144
  1167
berghofe@17144
  1168
val code_libraryP =
berghofe@17144
  1169
  OuterSyntax.command "code_library"
berghofe@17144
  1170
    "generates code for terms (one structure for each theory)" K.thy_decl
berghofe@17144
  1171
    (parse_code true);
berghofe@17144
  1172
berghofe@17144
  1173
val code_moduleP =
berghofe@17144
  1174
  OuterSyntax.command "code_module"
berghofe@17144
  1175
    "generates code for terms (single structure, incremental)" K.thy_decl
berghofe@17144
  1176
    (parse_code false);
berghofe@11520
  1177
berghofe@14105
  1178
val params =
berghofe@14105
  1179
  [("size", P.nat >> (K o set_size)),
berghofe@14105
  1180
   ("iterations", P.nat >> (K o set_iterations)),
berghofe@14105
  1181
   ("default_type", P.typ >> set_default_type)];
berghofe@14105
  1182
berghofe@14105
  1183
val parse_test_params = P.short_ident :-- (fn s =>
haftmann@17521
  1184
  P.$$$ "=" |-- (AList.lookup (op =) params s |> the_default Scan.fail)) >> snd;
berghofe@14105
  1185
berghofe@14105
  1186
fun parse_tyinst xs =
wenzelm@16458
  1187
  (P.type_ident --| P.$$$ "=" -- P.typ >> (fn (v, s) => fn thy =>
wenzelm@16458
  1188
    fn (x, ys) => (x, (v, typ_of (read_ctyp thy s)) :: ys))) xs;
berghofe@14105
  1189
berghofe@14105
  1190
fun app [] x = x
berghofe@14105
  1191
  | app (f :: fs) x = app fs (f x);
berghofe@14105
  1192
berghofe@14105
  1193
val test_paramsP =
berghofe@14105
  1194
  OuterSyntax.command "quickcheck_params" "set parameters for random testing" K.thy_decl
berghofe@14105
  1195
    (P.$$$ "[" |-- P.list1 parse_test_params --| P.$$$ "]" >>
berghofe@14105
  1196
      (fn fs => Toplevel.theory (fn thy =>
berghofe@16649
  1197
         map_test_params (app (map (fn f => f thy) fs)) thy)));
berghofe@14105
  1198
berghofe@14105
  1199
val testP =
berghofe@14105
  1200
  OuterSyntax.command "quickcheck" "try to find counterexample for subgoal" K.diag
berghofe@14105
  1201
  (Scan.option (P.$$$ "[" |-- P.list1
wenzelm@16458
  1202
    (   parse_test_params >> (fn f => fn thy => apfst (f thy))
berghofe@14105
  1203
     || parse_tyinst) --| P.$$$ "]") -- Scan.optional P.nat 1 >>
berghofe@14105
  1204
    (fn (ps, g) => Toplevel.keep (fn st =>
wenzelm@19502
  1205
      test_goal (app (the_default [] (Option.map (map (fn f => f (Toplevel.theory_of st))) ps))
berghofe@14105
  1206
        (get_test_params (Toplevel.theory_of st), [])) g st)));
berghofe@14105
  1207
berghofe@17549
  1208
val valueP =
berghofe@17549
  1209
  OuterSyntax.improper_command "value" "read, evaluate and print term" K.diag
berghofe@17549
  1210
    (P.term >> (Toplevel.no_timing oo print_evaluated_term));
berghofe@17549
  1211
berghofe@17144
  1212
val _ = OuterSyntax.add_keywords ["attach", "file", "contains"];
berghofe@16769
  1213
wenzelm@15801
  1214
val _ = OuterSyntax.add_parsers
berghofe@17549
  1215
  [assoc_typeP, assoc_constP, code_libraryP, code_moduleP, test_paramsP, testP, valueP];
berghofe@11520
  1216
berghofe@11520
  1217
end;