src/Tools/Code/code_ml.ML
author haftmann
Thu Jun 17 11:33:04 2010 +0200 (2010-06-17)
changeset 37447 ad3e04f289b6
parent 37446 fc55011cfdfd
child 37449 034ebe92f090
permissions -rw-r--r--
transitive superclasses were also only a misunderstanding
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(*  Title:      Tools/code/code_ml.ML
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    Author:     Florian Haftmann, TU Muenchen
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Serializer for SML and OCaml.
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*)
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signature CODE_ML =
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sig
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  val target_SML: string
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  val evaluation_code_of: theory -> string -> string
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    -> Code_Thingol.naming -> Code_Thingol.program -> string list -> string * string option list
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  val print_tuple: (Code_Printer.fixity -> 'a -> Pretty.T)
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    -> Code_Printer.fixity -> 'a list -> Pretty.T option
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  val setup: theory -> theory
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end;
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structure Code_ML : CODE_ML =
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struct
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open Basic_Code_Thingol;
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open Code_Printer;
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infixr 5 @@;
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infixr 5 @|;
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(** generic **)
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val target_SML = "SML";
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val target_OCaml = "OCaml";
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datatype ml_binding =
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    ML_Function of string * (typscheme * ((iterm list * iterm) * (thm option * bool)) list)
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  | ML_Instance of string * ((class * (string * (vname * sort) list))
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        * ((class * (string * (string * dict list list))) list
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      * ((string * const) * (thm * bool)) list));
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datatype ml_stmt =
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    ML_Exc of string * (typscheme * int)
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  | ML_Val of ml_binding
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  | ML_Funs of ml_binding list * string list
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  | ML_Datas of (string * ((vname * sort) list * (string * itype list) list)) list
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  | ML_Class of string * (vname * ((class * string) list * (string * itype) list));
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fun stmt_name_of_binding (ML_Function (name, _)) = name
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  | stmt_name_of_binding (ML_Instance (name, _)) = name;
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fun stmt_names_of (ML_Exc (name, _)) = [name]
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  | stmt_names_of (ML_Val binding) = [stmt_name_of_binding binding]
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  | stmt_names_of (ML_Funs (bindings, _)) = map stmt_name_of_binding bindings
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  | stmt_names_of (ML_Datas ds) = map fst ds
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  | stmt_names_of (ML_Class (name, _)) = [name];
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fun print_product _ [] = NONE
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  | print_product print [x] = SOME (print x)
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  | print_product print xs = (SOME o enum " *" "" "") (map print xs);
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fun print_tuple _ _ [] = NONE
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  | print_tuple print fxy [x] = SOME (print fxy x)
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  | print_tuple print _ xs = SOME (enum "," "(" ")" (map (print NOBR) xs));
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(** SML serializer **)
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fun print_sml_stmt labelled_name syntax_tyco syntax_const reserved is_cons deresolve =
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  let
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    fun print_tyco_expr fxy (tyco, []) = (str o deresolve) tyco
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      | print_tyco_expr fxy (tyco, [ty]) =
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          concat [print_typ BR ty, (str o deresolve) tyco]
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      | print_tyco_expr fxy (tyco, tys) =
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          concat [enum "," "(" ")" (map (print_typ BR) tys), (str o deresolve) tyco]
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    and print_typ fxy (tyco `%% tys) = (case syntax_tyco tyco
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         of NONE => print_tyco_expr fxy (tyco, tys)
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          | SOME (i, print) => print print_typ fxy tys)
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      | print_typ fxy (ITyVar v) = str ("'" ^ v);
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    fun print_dicttyp (class, ty) = print_tyco_expr NOBR (class, [ty]);
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    fun print_typscheme_prefix (vs, p) = enum " ->" "" ""
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      (map_filter (fn (v, sort) =>
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        (print_product (fn class => print_dicttyp (class, ITyVar v)) sort)) vs @| p);
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    fun print_typscheme (vs, ty) = print_typscheme_prefix (vs, print_typ NOBR ty);
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    fun print_dicttypscheme (vs, class_ty) = print_typscheme_prefix (vs, print_dicttyp class_ty);
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    fun print_dict is_pseudo_fun fxy (DictConst (inst, dss)) =
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          brackify fxy ((str o deresolve) inst ::
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            (if is_pseudo_fun inst then [str "()"]
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            else map_filter (print_dicts is_pseudo_fun BR) dss))
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      | print_dict is_pseudo_fun fxy (DictVar (classrels, (v, (i, k)))) =
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          let
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            val v_p = str (if k = 1 then first_upper v ^ "_"
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              else first_upper v ^ string_of_int (i+1) ^ "_");
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          in case classrels
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           of [] => v_p
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            | [classrel] => brackets [(str o deresolve) classrel, v_p]
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            | classrels => brackets
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                [enum " o" "(" ")" (map (str o deresolve) classrels), v_p]
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          end
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    and print_dicts is_pseudo_fun = print_tuple (print_dict is_pseudo_fun);
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    val print_dict_args = map_filter (fn (v, sort) => print_dicts (K false) BR
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      (map_index (fn (i, _) => DictVar ([], (v, (i, length sort)))) sort));
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    fun print_term is_pseudo_fun some_thm vars fxy (IConst c) =
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          print_app is_pseudo_fun some_thm vars fxy (c, [])
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      | print_term is_pseudo_fun some_thm vars fxy (IVar NONE) =
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          str "_"
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      | print_term is_pseudo_fun some_thm vars fxy (IVar (SOME v)) =
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          str (lookup_var vars v)
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      | print_term is_pseudo_fun some_thm vars fxy (t as t1 `$ t2) =
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          (case Code_Thingol.unfold_const_app t
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           of SOME c_ts => print_app is_pseudo_fun some_thm vars fxy c_ts
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            | NONE => brackify fxy [print_term is_pseudo_fun some_thm vars NOBR t1,
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                print_term is_pseudo_fun some_thm vars BR t2])
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      | print_term is_pseudo_fun some_thm vars fxy (t as _ `|=> _) =
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          let
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            val (binds, t') = Code_Thingol.unfold_pat_abs t;
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            fun print_abs (pat, ty) =
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              print_bind is_pseudo_fun some_thm NOBR pat
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              #>> (fn p => concat [str "fn", p, str "=>"]);
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            val (ps, vars') = fold_map print_abs binds vars;
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          in brackets (ps @ [print_term is_pseudo_fun some_thm vars' NOBR t']) end
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      | print_term is_pseudo_fun some_thm vars fxy (ICase (cases as (_, t0))) =
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          (case Code_Thingol.unfold_const_app t0
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           of SOME (c_ts as ((c, _), _)) => if is_none (syntax_const c)
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                then print_case is_pseudo_fun some_thm vars fxy cases
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                else print_app is_pseudo_fun some_thm vars fxy c_ts
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            | NONE => print_case is_pseudo_fun some_thm vars fxy cases)
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    and print_app_expr is_pseudo_fun some_thm vars (app as ((c, ((_, iss), tys)), ts)) =
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      if is_cons c then
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        let val k = length tys in
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          if k < 2 orelse length ts = k
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          then (str o deresolve) c
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            :: the_list (print_tuple (print_term is_pseudo_fun some_thm vars) BR ts)
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          else [print_term is_pseudo_fun some_thm vars BR (Code_Thingol.eta_expand k app)]
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        end
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      else if is_pseudo_fun c
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        then (str o deresolve) c @@ str "()"
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      else (str o deresolve) c :: map_filter (print_dicts is_pseudo_fun BR) iss
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        @ map (print_term is_pseudo_fun some_thm vars BR) ts
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    and print_app is_pseudo_fun some_thm vars = gen_print_app (print_app_expr is_pseudo_fun)
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      (print_term is_pseudo_fun) syntax_const some_thm vars
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    and print_bind is_pseudo_fun = gen_print_bind (print_term is_pseudo_fun)
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    and print_case is_pseudo_fun some_thm vars fxy (cases as ((_, [_]), _)) =
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          let
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            val (binds, body) = Code_Thingol.unfold_let (ICase cases);
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            fun print_match ((pat, ty), t) vars =
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              vars
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              |> print_bind is_pseudo_fun some_thm NOBR pat
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              |>> (fn p => semicolon [str "val", p, str "=",
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                    print_term is_pseudo_fun some_thm vars NOBR t])
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            val (ps, vars') = fold_map print_match binds vars;
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          in
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            Pretty.chunks [
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              Pretty.block [str "let", Pretty.fbrk, Pretty.chunks ps],
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              Pretty.block [str "in", Pretty.fbrk, print_term is_pseudo_fun some_thm vars' NOBR body],
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              str "end"
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            ]
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          end
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      | print_case is_pseudo_fun some_thm vars fxy (((t, ty), clause :: clauses), _) =
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          let
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            fun print_select delim (pat, body) =
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              let
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                val (p, vars') = print_bind is_pseudo_fun some_thm NOBR pat vars;
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              in
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                concat [str delim, p, str "=>", print_term is_pseudo_fun some_thm vars' NOBR body]
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              end;
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          in
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            brackets (
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              str "case"
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              :: print_term is_pseudo_fun some_thm vars NOBR t
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              :: print_select "of" clause
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              :: map (print_select "|") clauses
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            )
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          end
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      | print_case is_pseudo_fun some_thm vars fxy ((_, []), _) =
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          (concat o map str) ["raise", "Fail", "\"empty case\""];
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    fun print_val_decl print_typscheme (name, typscheme) = concat
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      [str "val", str (deresolve name), str ":", print_typscheme typscheme];
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    fun print_datatype_decl definer (tyco, (vs, cos)) =
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      let
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        fun print_co (co, []) = str (deresolve co)
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          | print_co (co, tys) = concat [str (deresolve co), str "of",
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              enum " *" "" "" (map (print_typ (INFX (2, X))) tys)];
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      in
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        concat (
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          str definer
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          :: print_tyco_expr NOBR (tyco, map (ITyVar o fst) vs)
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          :: str "="
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          :: separate (str "|") (map print_co cos)
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        )
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      end;
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    fun print_def is_pseudo_fun needs_typ definer
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          (ML_Function (name, (vs_ty as (vs, ty), eq :: eqs))) =
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          let
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            fun print_eqn definer ((ts, t), (some_thm, _)) =
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              let
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                val consts = fold Code_Thingol.add_constnames (t :: ts) [];
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                val vars = reserved
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                  |> intro_base_names
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                       (is_none o syntax_const) deresolve consts
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                  |> intro_vars ((fold o Code_Thingol.fold_varnames)
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                       (insert (op =)) ts []);
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                val prolog = if needs_typ then
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                  concat [str definer, (str o deresolve) name, str ":", print_typ NOBR ty]
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                    else (concat o map str) [definer, deresolve name];
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              in
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                concat (
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                  prolog
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                  :: (if is_pseudo_fun name then [str "()"]
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                      else print_dict_args vs
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                        @ map (print_term is_pseudo_fun some_thm vars BR) ts)
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                  @ str "="
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                  @@ print_term is_pseudo_fun some_thm vars NOBR t
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                )
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              end
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            val shift = if null eqs then I else
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              map (Pretty.block o single o Pretty.block o single);
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          in pair
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            (print_val_decl print_typscheme (name, vs_ty))
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            ((Pretty.block o Pretty.fbreaks o shift) (
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              print_eqn definer eq
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              :: map (print_eqn "|") eqs
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            ))
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          end
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      | print_def is_pseudo_fun _ definer
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          (ML_Instance (inst, ((class, (tyco, vs)), (super_instances, classparam_instances)))) =
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          let
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            fun print_super_instance (_, (classrel, dss)) =
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              concat [
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                (str o Long_Name.base_name o deresolve) classrel,
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                str "=",
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                print_dict is_pseudo_fun NOBR (DictConst dss)
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              ];
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            fun print_classparam_instance ((classparam, const), (thm, _)) =
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              concat [
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                (str o Long_Name.base_name o deresolve) classparam,
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                str "=",
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                print_app (K false) (SOME thm) reserved NOBR (const, [])
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              ];
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          in pair
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            (print_val_decl print_dicttypscheme
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              (inst, (vs, (class, tyco `%% map (ITyVar o fst) vs))))
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            (concat (
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              str definer
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              :: (str o deresolve) inst
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              :: (if is_pseudo_fun inst then [str "()"]
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                  else print_dict_args vs)
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              @ str "="
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              :: enum "," "{" "}"
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                (map print_super_instance super_instances
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                  @ map print_classparam_instance classparam_instances)
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              :: str ":"
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              @@ print_tyco_expr NOBR (class, [tyco `%% map (ITyVar o fst) vs])
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            ))
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          end;
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    fun print_stmt (ML_Exc (name, (vs_ty, n))) = pair
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          [print_val_decl print_typscheme (name, vs_ty)]
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          ((semicolon o map str) (
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            (if n = 0 then "val" else "fun")
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            :: deresolve name
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            :: replicate n "_"
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            @ "="
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            :: "raise"
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            :: "Fail"
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            @@ (ML_Syntax.print_string o Long_Name.base_name o Long_Name.qualifier) name
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          ))
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      | print_stmt (ML_Val binding) =
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          let
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            val (sig_p, p) = print_def (K false) true "val" binding
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          in pair
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            [sig_p]
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            (semicolon [p])
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          end
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      | print_stmt (ML_Funs (binding :: bindings, pseudo_funs)) =
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          let
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            val print_def' = print_def (member (op =) pseudo_funs) false;
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            fun print_pseudo_fun name = concat [
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                str "val",
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                (str o deresolve) name,
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                str "=",
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                (str o deresolve) name,
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                str "();"
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              ];
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            val (sig_ps, (ps, p)) = (apsnd split_last o split_list)
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              (print_def' "fun" binding :: map (print_def' "and") bindings);
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            val pseudo_ps = map print_pseudo_fun pseudo_funs;
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          in pair
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            sig_ps
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            (Pretty.chunks (ps @ semicolon [p] :: pseudo_ps))
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          end
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     | print_stmt (ML_Datas [(tyco, (vs, []))]) =
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          let
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            val ty_p = print_tyco_expr NOBR (tyco, map (ITyVar o fst) vs);
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          in
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            pair
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            [concat [str "type", ty_p]]
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            (concat [str "datatype", ty_p, str "=", str "EMPTY__"])
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          end
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     | print_stmt (ML_Datas (data :: datas)) = 
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          let
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            val sig_ps = print_datatype_decl "datatype" data
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              :: map (print_datatype_decl "and") datas;
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            val (ps, p) = split_last sig_ps;
haftmann@33992
   300
          in pair
haftmann@33992
   301
            sig_ps
haftmann@33992
   302
            (Pretty.chunks (ps @| semicolon [p]))
haftmann@33992
   303
          end
haftmann@37447
   304
     | print_stmt (ML_Class (class, (v, (super_classes, classparams)))) =
haftmann@28054
   305
          let
haftmann@33992
   306
            fun print_field s p = concat [str s, str ":", p];
haftmann@33992
   307
            fun print_proj s p = semicolon
haftmann@33992
   308
              (map str ["val", s, "=", "#" ^ s, ":"] @| p);
haftmann@37384
   309
            fun print_super_class_decl (super_class, classrel) =
haftmann@33992
   310
              print_val_decl print_dicttypscheme
haftmann@37384
   311
                (classrel, ([(v, [class])], (super_class, ITyVar v)));
haftmann@37384
   312
            fun print_super_class_field (super_class, classrel) =
haftmann@37384
   313
              print_field (deresolve classrel) (print_dicttyp (super_class, ITyVar v));
haftmann@37384
   314
            fun print_super_class_proj (super_class, classrel) =
haftmann@33992
   315
              print_proj (deresolve classrel)
haftmann@37384
   316
                (print_dicttypscheme ([(v, [class])], (super_class, ITyVar v)));
haftmann@33992
   317
            fun print_classparam_decl (classparam, ty) =
haftmann@33992
   318
              print_val_decl print_typscheme
haftmann@33992
   319
                (classparam, ([(v, [class])], ty));
haftmann@33992
   320
            fun print_classparam_field (classparam, ty) =
haftmann@33992
   321
              print_field (deresolve classparam) (print_typ NOBR ty);
haftmann@33992
   322
            fun print_classparam_proj (classparam, ty) =
haftmann@33992
   323
              print_proj (deresolve classparam)
haftmann@33992
   324
                (print_typscheme ([(v, [class])], ty));
haftmann@33992
   325
          in pair
haftmann@33992
   326
            (concat [str "type", print_dicttyp (class, ITyVar v)]
haftmann@37384
   327
              :: map print_super_class_decl super_classes
haftmann@33992
   328
              @ map print_classparam_decl classparams)
haftmann@33992
   329
            (Pretty.chunks (
haftmann@28054
   330
              concat [
haftmann@28054
   331
                str ("type '" ^ v),
haftmann@28054
   332
                (str o deresolve) class,
haftmann@28054
   333
                str "=",
haftmann@34178
   334
                enum "," "{" "};" (
haftmann@37384
   335
                  map print_super_class_field super_classes
haftmann@33992
   336
                  @ map print_classparam_field classparams
haftmann@28054
   337
                )
haftmann@28054
   338
              ]
haftmann@37384
   339
              :: map print_super_class_proj super_classes
haftmann@33992
   340
              @ map print_classparam_proj classparams
haftmann@33992
   341
            ))
haftmann@28054
   342
          end;
haftmann@33992
   343
  in print_stmt end;
haftmann@28054
   344
haftmann@34032
   345
fun print_sml_module name some_decls body = if name = ""
haftmann@34032
   346
  then Pretty.chunks2 body
haftmann@34032
   347
  else Pretty.chunks2 (
haftmann@33992
   348
    Pretty.chunks (
haftmann@33992
   349
      str ("structure " ^ name ^ (if is_some some_decls then " : sig" else " ="))
haftmann@34178
   350
      :: (the_list o Option.map (indent 2 o Pretty.chunks)) some_decls
haftmann@33992
   351
      @| (if is_some some_decls then str "end = struct" else str "struct")
haftmann@33992
   352
    )
haftmann@33992
   353
    :: body
haftmann@33992
   354
    @| str ("end; (*struct " ^ name ^ "*)")
haftmann@28054
   355
  );
haftmann@28054
   356
haftmann@28064
   357
val literals_sml = Literals {
haftmann@28064
   358
  literal_char = prefix "#" o quote o ML_Syntax.print_char,
haftmann@28064
   359
  literal_string = quote o translate_string ML_Syntax.print_char,
haftmann@34944
   360
  literal_numeral = fn k => "(" ^ string_of_int k ^ " : IntInf.int)",
haftmann@34944
   361
  literal_positive_numeral = fn k => "(" ^ string_of_int k ^ " : IntInf.int)",
haftmann@34944
   362
  literal_naive_numeral = string_of_int,
haftmann@34178
   363
  literal_list = enum "," "[" "]",
haftmann@28064
   364
  infix_cons = (7, "::")
haftmann@28064
   365
};
haftmann@28064
   366
haftmann@28054
   367
haftmann@28054
   368
(** OCaml serializer **)
haftmann@28054
   369
haftmann@33992
   370
fun print_ocaml_stmt labelled_name syntax_tyco syntax_const reserved is_cons deresolve =
haftmann@28054
   371
  let
haftmann@33992
   372
    fun print_tyco_expr fxy (tyco, []) = (str o deresolve) tyco
haftmann@33992
   373
      | print_tyco_expr fxy (tyco, [ty]) =
haftmann@33992
   374
          concat [print_typ BR ty, (str o deresolve) tyco]
haftmann@33992
   375
      | print_tyco_expr fxy (tyco, tys) =
haftmann@34178
   376
          concat [enum "," "(" ")" (map (print_typ BR) tys), (str o deresolve) tyco]
haftmann@33992
   377
    and print_typ fxy (tyco `%% tys) = (case syntax_tyco tyco
haftmann@33992
   378
         of NONE => print_tyco_expr fxy (tyco, tys)
haftmann@33992
   379
          | SOME (i, print) => print print_typ fxy tys)
haftmann@33992
   380
      | print_typ fxy (ITyVar v) = str ("'" ^ v);
haftmann@33992
   381
    fun print_dicttyp (class, ty) = print_tyco_expr NOBR (class, [ty]);
haftmann@34178
   382
    fun print_typscheme_prefix (vs, p) = enum " ->" "" ""
haftmann@33992
   383
      (map_filter (fn (v, sort) =>
haftmann@33992
   384
        (print_product (fn class => print_dicttyp (class, ITyVar v)) sort)) vs @| p);
haftmann@33992
   385
    fun print_typscheme (vs, ty) = print_typscheme_prefix (vs, print_typ NOBR ty);
haftmann@33992
   386
    fun print_dicttypscheme (vs, class_ty) = print_typscheme_prefix (vs, print_dicttyp class_ty);
haftmann@33992
   387
    fun print_dict is_pseudo_fun fxy (DictConst (inst, dss)) =
haftmann@33992
   388
          brackify fxy ((str o deresolve) inst ::
haftmann@33992
   389
            (if is_pseudo_fun inst then [str "()"]
haftmann@33992
   390
            else map_filter (print_dicts is_pseudo_fun BR) dss))
haftmann@33992
   391
      | print_dict is_pseudo_fun fxy (DictVar (classrels, (v, (i, k)))) =
haftmann@33992
   392
          str (if k = 1 then "_" ^ first_upper v
haftmann@33992
   393
            else "_" ^ first_upper v ^ string_of_int (i+1))
haftmann@33992
   394
          |> fold_rev (fn classrel => fn p =>
haftmann@33992
   395
               Pretty.block [p, str ".", (str o deresolve) classrel]) classrels
haftmann@33992
   396
    and print_dicts is_pseudo_fun = print_tuple (print_dict is_pseudo_fun);
haftmann@33992
   397
    val print_dict_args = map_filter (fn (v, sort) => print_dicts (K false) BR
haftmann@33992
   398
      (map_index (fn (i, _) => DictVar ([], (v, (i, length sort)))) sort));
haftmann@35228
   399
    fun print_term is_pseudo_fun some_thm vars fxy (IConst c) =
haftmann@35228
   400
          print_app is_pseudo_fun some_thm vars fxy (c, [])
haftmann@35228
   401
      | print_term is_pseudo_fun some_thm vars fxy (IVar NONE) =
haftmann@31889
   402
          str "_"
haftmann@35228
   403
      | print_term is_pseudo_fun some_thm vars fxy (IVar (SOME v)) =
haftmann@32924
   404
          str (lookup_var vars v)
haftmann@35228
   405
      | print_term is_pseudo_fun some_thm vars fxy (t as t1 `$ t2) =
haftmann@28054
   406
          (case Code_Thingol.unfold_const_app t
haftmann@35228
   407
           of SOME c_ts => print_app is_pseudo_fun some_thm vars fxy c_ts
haftmann@35228
   408
            | NONE => brackify fxy [print_term is_pseudo_fun some_thm vars NOBR t1,
haftmann@35228
   409
                print_term is_pseudo_fun some_thm vars BR t2])
haftmann@35228
   410
      | print_term is_pseudo_fun some_thm vars fxy (t as _ `|=> _) =
haftmann@28054
   411
          let
haftmann@31874
   412
            val (binds, t') = Code_Thingol.unfold_pat_abs t;
haftmann@35228
   413
            val (ps, vars') = fold_map (print_bind is_pseudo_fun some_thm BR o fst) binds vars;
haftmann@35228
   414
          in brackets (str "fun" :: ps @ str "->" @@ print_term is_pseudo_fun some_thm vars' NOBR t') end
haftmann@35228
   415
      | print_term is_pseudo_fun some_thm vars fxy (ICase (cases as (_, t0))) =
haftmann@33992
   416
          (case Code_Thingol.unfold_const_app t0
haftmann@28054
   417
           of SOME (c_ts as ((c, _), _)) => if is_none (syntax_const c)
haftmann@35228
   418
                then print_case is_pseudo_fun some_thm vars fxy cases
haftmann@35228
   419
                else print_app is_pseudo_fun some_thm vars fxy c_ts
haftmann@35228
   420
            | NONE => print_case is_pseudo_fun some_thm vars fxy cases)
haftmann@35228
   421
    and print_app_expr is_pseudo_fun some_thm vars (app as ((c, ((_, iss), tys)), ts)) =
haftmann@28054
   422
      if is_cons c then
haftmann@33992
   423
        let val k = length tys in
haftmann@33992
   424
          if length ts = k
haftmann@33992
   425
          then (str o deresolve) c
haftmann@35228
   426
            :: the_list (print_tuple (print_term is_pseudo_fun some_thm vars) BR ts)
haftmann@35228
   427
          else [print_term is_pseudo_fun some_thm vars BR (Code_Thingol.eta_expand k app)]
haftmann@33992
   428
        end
haftmann@33636
   429
      else if is_pseudo_fun c
haftmann@29175
   430
        then (str o deresolve) c @@ str "()"
haftmann@33992
   431
      else (str o deresolve) c :: map_filter (print_dicts is_pseudo_fun BR) iss
haftmann@35228
   432
        @ map (print_term is_pseudo_fun some_thm vars BR) ts
haftmann@35228
   433
    and print_app is_pseudo_fun some_thm vars = gen_print_app (print_app_expr is_pseudo_fun)
haftmann@35228
   434
      (print_term is_pseudo_fun) syntax_const some_thm vars
haftmann@33992
   435
    and print_bind is_pseudo_fun = gen_print_bind (print_term is_pseudo_fun)
haftmann@35228
   436
    and print_case is_pseudo_fun some_thm vars fxy (cases as ((_, [_]), _)) =
haftmann@28054
   437
          let
haftmann@29952
   438
            val (binds, body) = Code_Thingol.unfold_let (ICase cases);
haftmann@33992
   439
            fun print_let ((pat, ty), t) vars =
haftmann@28054
   440
              vars
haftmann@35228
   441
              |> print_bind is_pseudo_fun some_thm NOBR pat
haftmann@28054
   442
              |>> (fn p => concat
haftmann@35228
   443
                  [str "let", p, str "=", print_term is_pseudo_fun some_thm vars NOBR t, str "in"])
haftmann@33992
   444
            val (ps, vars') = fold_map print_let binds vars;
haftmann@31665
   445
          in
haftmann@31665
   446
            brackify_block fxy (Pretty.chunks ps) []
haftmann@35228
   447
              (print_term is_pseudo_fun some_thm vars' NOBR body)
haftmann@31665
   448
          end
haftmann@35228
   449
      | print_case is_pseudo_fun some_thm vars fxy (((t, ty), clause :: clauses), _) =
haftmann@28054
   450
          let
haftmann@33992
   451
            fun print_select delim (pat, body) =
haftmann@28054
   452
              let
haftmann@35228
   453
                val (p, vars') = print_bind is_pseudo_fun some_thm NOBR pat vars;
haftmann@35228
   454
              in concat [str delim, p, str "->", print_term is_pseudo_fun some_thm vars' NOBR body] end;
haftmann@28054
   455
          in
haftmann@31665
   456
            brackets (
haftmann@28054
   457
              str "match"
haftmann@35228
   458
              :: print_term is_pseudo_fun some_thm vars NOBR t
haftmann@33992
   459
              :: print_select "with" clause
haftmann@33992
   460
              :: map (print_select "|") clauses
haftmann@28054
   461
            )
haftmann@28054
   462
          end
haftmann@35228
   463
      | print_case is_pseudo_fun some_thm vars fxy ((_, []), _) =
haftmann@31121
   464
          (concat o map str) ["failwith", "\"empty case\""];
haftmann@33992
   465
    fun print_val_decl print_typscheme (name, typscheme) = concat
haftmann@33992
   466
      [str "val", str (deresolve name), str ":", print_typscheme typscheme];
haftmann@33992
   467
    fun print_datatype_decl definer (tyco, (vs, cos)) =
haftmann@33992
   468
      let
haftmann@33992
   469
        fun print_co (co, []) = str (deresolve co)
haftmann@33992
   470
          | print_co (co, tys) = concat [str (deresolve co), str "of",
haftmann@34178
   471
              enum " *" "" "" (map (print_typ (INFX (2, X))) tys)];
haftmann@33992
   472
      in
haftmann@33992
   473
        concat (
haftmann@33992
   474
          str definer
haftmann@33992
   475
          :: print_tyco_expr NOBR (tyco, map (ITyVar o fst) vs)
haftmann@33992
   476
          :: str "="
haftmann@33992
   477
          :: separate (str "|") (map print_co cos)
haftmann@33992
   478
        )
haftmann@33992
   479
      end;
haftmann@33992
   480
    fun print_def is_pseudo_fun needs_typ definer
haftmann@33992
   481
          (ML_Function (name, (vs_ty as (vs, ty), eqs))) =
haftmann@28054
   482
          let
haftmann@35228
   483
            fun print_eqn ((ts, t), (some_thm, _)) =
haftmann@28054
   484
              let
haftmann@32913
   485
                val consts = fold Code_Thingol.add_constnames (t :: ts) [];
haftmann@32924
   486
                val vars = reserved
haftmann@32924
   487
                  |> intro_vars ((fold o Code_Thingol.fold_varnames)
haftmann@28054
   488
                      (insert (op =)) ts []);
haftmann@28054
   489
              in concat [
haftmann@29189
   490
                (Pretty.block o Pretty.commas)
haftmann@35228
   491
                  (map (print_term is_pseudo_fun some_thm vars NOBR) ts),
haftmann@28054
   492
                str "->",
haftmann@35228
   493
                print_term is_pseudo_fun some_thm vars NOBR t
haftmann@28054
   494
              ] end;
haftmann@35228
   495
            fun print_eqns is_pseudo [((ts, t), (some_thm, _))] =
haftmann@28054
   496
                  let
haftmann@32913
   497
                    val consts = fold Code_Thingol.add_constnames (t :: ts) [];
haftmann@32924
   498
                    val vars = reserved
haftmann@32924
   499
                      |> intro_base_names
haftmann@32913
   500
                          (is_none o syntax_const) deresolve consts
haftmann@32924
   501
                      |> intro_vars ((fold o Code_Thingol.fold_varnames)
haftmann@28054
   502
                          (insert (op =)) ts []);
haftmann@28054
   503
                  in
haftmann@28054
   504
                    concat (
haftmann@29189
   505
                      (if is_pseudo then [str "()"]
haftmann@35228
   506
                        else map (print_term is_pseudo_fun some_thm vars BR) ts)
haftmann@28054
   507
                      @ str "="
haftmann@35228
   508
                      @@ print_term is_pseudo_fun some_thm vars NOBR t
haftmann@28054
   509
                    )
haftmann@28054
   510
                  end
haftmann@33992
   511
              | print_eqns _ ((eq as (([_], _), _)) :: eqs) =
haftmann@28054
   512
                  Pretty.block (
haftmann@28054
   513
                    str "="
haftmann@28054
   514
                    :: Pretty.brk 1
haftmann@28054
   515
                    :: str "function"
haftmann@28054
   516
                    :: Pretty.brk 1
haftmann@33992
   517
                    :: print_eqn eq
haftmann@28054
   518
                    :: maps (append [Pretty.fbrk, str "|", Pretty.brk 1]
haftmann@33992
   519
                          o single o print_eqn) eqs
haftmann@28054
   520
                  )
haftmann@33992
   521
              | print_eqns _ (eqs as eq :: eqs') =
haftmann@28054
   522
                  let
haftmann@32913
   523
                    val consts = fold Code_Thingol.add_constnames (map (snd o fst) eqs) [];
haftmann@32924
   524
                    val vars = reserved
haftmann@32924
   525
                      |> intro_base_names
haftmann@32926
   526
                          (is_none o syntax_const) deresolve consts;
haftmann@32924
   527
                    val dummy_parms = (map str o aux_params vars o map (fst o fst)) eqs;
haftmann@28054
   528
                  in
haftmann@28054
   529
                    Pretty.block (
haftmann@28054
   530
                      Pretty.breaks dummy_parms
haftmann@28054
   531
                      @ Pretty.brk 1
haftmann@28054
   532
                      :: str "="
haftmann@28054
   533
                      :: Pretty.brk 1
haftmann@28054
   534
                      :: str "match"
haftmann@28054
   535
                      :: Pretty.brk 1
haftmann@28054
   536
                      :: (Pretty.block o Pretty.commas) dummy_parms
haftmann@28054
   537
                      :: Pretty.brk 1
haftmann@28054
   538
                      :: str "with"
haftmann@28054
   539
                      :: Pretty.brk 1
haftmann@33992
   540
                      :: print_eqn eq
haftmann@28054
   541
                      :: maps (append [Pretty.fbrk, str "|", Pretty.brk 1]
haftmann@33992
   542
                           o single o print_eqn) eqs'
haftmann@28054
   543
                    )
haftmann@28054
   544
                  end;
haftmann@33636
   545
            val prolog = if needs_typ then
haftmann@33992
   546
              concat [str definer, (str o deresolve) name, str ":", print_typ NOBR ty]
haftmann@34178
   547
                else (concat o map str) [definer, deresolve name];
haftmann@33992
   548
          in pair
haftmann@33992
   549
            (print_val_decl print_typscheme (name, vs_ty))
haftmann@33992
   550
            (concat (
haftmann@33636
   551
              prolog
haftmann@33992
   552
              :: print_dict_args vs
haftmann@33992
   553
              @| print_eqns (is_pseudo_fun name) eqs
haftmann@33992
   554
            ))
haftmann@33636
   555
          end
haftmann@37384
   556
      | print_def is_pseudo_fun _ definer
haftmann@37445
   557
            (ML_Instance (inst, ((class, (tyco, vs)), (super_instances, classparam_instances)))) =
haftmann@33636
   558
          let
haftmann@37384
   559
            fun print_super_instance (_, (classrel, dss)) =
haftmann@33636
   560
              concat [
haftmann@33636
   561
                (str o deresolve) classrel,
haftmann@33636
   562
                str "=",
haftmann@33992
   563
                print_dict is_pseudo_fun NOBR (DictConst dss)
haftmann@33636
   564
              ];
haftmann@37384
   565
            fun print_classparam_instance ((classparam, const), (thm, _)) =
haftmann@33636
   566
              concat [
haftmann@33636
   567
                (str o deresolve) classparam,
haftmann@33636
   568
                str "=",
haftmann@37384
   569
                print_app (K false) (SOME thm) reserved NOBR (const, [])
haftmann@33636
   570
              ];
haftmann@33992
   571
          in pair
haftmann@33992
   572
            (print_val_decl print_dicttypscheme
haftmann@33992
   573
              (inst, (vs, (class, tyco `%% map (ITyVar o fst) vs))))
haftmann@33992
   574
            (concat (
haftmann@33636
   575
              str definer
haftmann@33636
   576
              :: (str o deresolve) inst
haftmann@33992
   577
              :: print_dict_args vs
haftmann@33636
   578
              @ str "="
haftmann@33636
   579
              @@ brackets [
haftmann@37384
   580
                enum_default "()" ";" "{" "}" (map print_super_instance super_instances
haftmann@37384
   581
                  @ map print_classparam_instance classparam_instances),
haftmann@33636
   582
                str ":",
haftmann@33992
   583
                print_tyco_expr NOBR (class, [tyco `%% map (ITyVar o fst) vs])
haftmann@33636
   584
              ]
haftmann@33992
   585
            ))
haftmann@33636
   586
          end;
haftmann@33992
   587
     fun print_stmt (ML_Exc (name, (vs_ty, n))) = pair
haftmann@33992
   588
          [print_val_decl print_typscheme (name, vs_ty)]
haftmann@33992
   589
          ((doublesemicolon o map str) (
haftmann@33636
   590
            "let"
haftmann@33636
   591
            :: deresolve name
haftmann@33636
   592
            :: replicate n "_"
haftmann@33636
   593
            @ "="
haftmann@33636
   594
            :: "failwith"
haftmann@33992
   595
            @@ (ML_Syntax.print_string o Long_Name.base_name o Long_Name.qualifier) name
haftmann@33992
   596
          ))
haftmann@33992
   597
      | print_stmt (ML_Val binding) =
haftmann@33636
   598
          let
haftmann@33992
   599
            val (sig_p, p) = print_def (K false) true "let" binding
haftmann@33992
   600
          in pair
haftmann@33992
   601
            [sig_p]
haftmann@33992
   602
            (doublesemicolon [p])
haftmann@33992
   603
          end
haftmann@33992
   604
      | print_stmt (ML_Funs (binding :: bindings, pseudo_funs)) =
haftmann@33992
   605
          let
haftmann@33992
   606
            val print_def' = print_def (member (op =) pseudo_funs) false;
haftmann@33992
   607
            fun print_pseudo_fun name = concat [
haftmann@29189
   608
                str "let",
haftmann@29189
   609
                (str o deresolve) name,
haftmann@29189
   610
                str "=",
haftmann@29189
   611
                (str o deresolve) name,
haftmann@29189
   612
                str "();;"
haftmann@29189
   613
              ];
haftmann@33992
   614
            val (sig_ps, (ps, p)) = (apsnd split_last o split_list)
haftmann@33992
   615
              (print_def' "let rec" binding :: map (print_def' "and") bindings);
haftmann@33992
   616
            val pseudo_ps = map print_pseudo_fun pseudo_funs;
haftmann@33992
   617
          in pair
haftmann@33992
   618
            sig_ps
haftmann@33992
   619
            (Pretty.chunks (ps @ doublesemicolon [p] :: pseudo_ps))
haftmann@33992
   620
          end
haftmann@33992
   621
     | print_stmt (ML_Datas [(tyco, (vs, []))]) =
haftmann@33992
   622
          let
haftmann@33992
   623
            val ty_p = print_tyco_expr NOBR (tyco, map (ITyVar o fst) vs);
haftmann@33992
   624
          in
haftmann@33992
   625
            pair
haftmann@33992
   626
            [concat [str "type", ty_p]]
haftmann@33992
   627
            (concat [str "type", ty_p, str "=", str "EMPTY__"])
haftmann@33992
   628
          end
haftmann@33992
   629
     | print_stmt (ML_Datas (data :: datas)) = 
haftmann@28054
   630
          let
haftmann@33992
   631
            val sig_ps = print_datatype_decl "type" data
haftmann@33992
   632
              :: map (print_datatype_decl "and") datas;
haftmann@33992
   633
            val (ps, p) = split_last sig_ps;
haftmann@33992
   634
          in pair
haftmann@33992
   635
            sig_ps
haftmann@33992
   636
            (Pretty.chunks (ps @| doublesemicolon [p]))
haftmann@33992
   637
          end
haftmann@37447
   638
     | print_stmt (ML_Class (class, (v, (super_classes, classparams)))) =
haftmann@28054
   639
          let
haftmann@33992
   640
            fun print_field s p = concat [str s, str ":", p];
haftmann@37384
   641
            fun print_super_class_field (super_class, classrel) =
haftmann@37384
   642
              print_field (deresolve classrel) (print_dicttyp (super_class, ITyVar v));
haftmann@33992
   643
            fun print_classparam_decl (classparam, ty) =
haftmann@33992
   644
              print_val_decl print_typscheme
haftmann@33992
   645
                (classparam, ([(v, [class])], ty));
haftmann@33992
   646
            fun print_classparam_field (classparam, ty) =
haftmann@33992
   647
              print_field (deresolve classparam) (print_typ NOBR ty);
haftmann@32924
   648
            val w = "_" ^ first_upper v;
haftmann@33992
   649
            fun print_classparam_proj (classparam, _) =
haftmann@33992
   650
              (concat o map str) ["let", deresolve classparam, w, "=",
haftmann@33992
   651
                w ^ "." ^ deresolve classparam ^ ";;"];
haftmann@33992
   652
            val type_decl_p = concat [
haftmann@33992
   653
                str ("type '" ^ v),
haftmann@33992
   654
                (str o deresolve) class,
haftmann@28054
   655
                str "=",
haftmann@33992
   656
                enum_default "unit" ";" "{" "}" (
haftmann@37384
   657
                  map print_super_class_field super_classes
haftmann@33992
   658
                  @ map print_classparam_field classparams
haftmann@33992
   659
                )
haftmann@28054
   660
              ];
haftmann@33992
   661
          in pair
haftmann@33992
   662
            (type_decl_p :: map print_classparam_decl classparams)
haftmann@33992
   663
            (Pretty.chunks (
haftmann@33992
   664
              doublesemicolon [type_decl_p]
haftmann@33992
   665
              :: map print_classparam_proj classparams
haftmann@33992
   666
            ))
haftmann@33992
   667
          end;
haftmann@33992
   668
  in print_stmt end;
haftmann@28054
   669
haftmann@34032
   670
fun print_ocaml_module name some_decls body = if name = ""
haftmann@34032
   671
  then Pretty.chunks2 body
haftmann@34032
   672
  else Pretty.chunks2 (
haftmann@33992
   673
    Pretty.chunks (
haftmann@33992
   674
      str ("module " ^ name ^ (if is_some some_decls then " : sig" else " ="))
haftmann@34178
   675
      :: (the_list o Option.map (indent 2 o Pretty.chunks)) some_decls
haftmann@33992
   676
      @| (if is_some some_decls then str "end = struct" else str "struct")
haftmann@33992
   677
    )
haftmann@33992
   678
    :: body
haftmann@33992
   679
    @| str ("end;; (*struct " ^ name ^ "*)")
haftmann@28054
   680
  );
haftmann@28054
   681
haftmann@28064
   682
val literals_ocaml = let
haftmann@28064
   683
  fun chr i =
haftmann@28064
   684
    let
haftmann@28064
   685
      val xs = string_of_int i;
haftmann@28064
   686
      val ys = replicate_string (3 - length (explode xs)) "0";
haftmann@28064
   687
    in "\\" ^ ys ^ xs end;
haftmann@28064
   688
  fun char_ocaml c =
haftmann@28064
   689
    let
haftmann@28064
   690
      val i = ord c;
haftmann@28064
   691
      val s = if i < 32 orelse i = 34 orelse i = 39 orelse i = 92 orelse i > 126
haftmann@28064
   692
        then chr i else c
haftmann@28064
   693
    in s end;
haftmann@34944
   694
  fun numeral_ocaml k = if k < 0
haftmann@34944
   695
    then "(Big_int.minus_big_int " ^ numeral_ocaml (~ k) ^ ")"
haftmann@34944
   696
    else if k <= 1073741823
haftmann@34944
   697
      then "(Big_int.big_int_of_int " ^ string_of_int k ^ ")"
haftmann@34944
   698
      else "(Big_int.big_int_of_string " ^ quote (string_of_int k) ^ ")"
haftmann@28064
   699
in Literals {
haftmann@34178
   700
  literal_char = Library.enclose "'" "'" o char_ocaml,
haftmann@28064
   701
  literal_string = quote o translate_string char_ocaml,
haftmann@34944
   702
  literal_numeral = numeral_ocaml,
haftmann@34944
   703
  literal_positive_numeral = numeral_ocaml,
haftmann@34944
   704
  literal_naive_numeral = numeral_ocaml,
haftmann@34178
   705
  literal_list = enum ";" "[" "]",
haftmann@28064
   706
  infix_cons = (6, "::")
haftmann@28064
   707
} end;
haftmann@28064
   708
haftmann@28064
   709
haftmann@28054
   710
haftmann@28054
   711
(** SML/OCaml generic part **)
haftmann@28054
   712
haftmann@28054
   713
local
haftmann@28054
   714
haftmann@28054
   715
datatype ml_node =
haftmann@28054
   716
    Dummy of string
haftmann@28054
   717
  | Stmt of string * ml_stmt
haftmann@28054
   718
  | Module of string * ((Name.context * Name.context) * ml_node Graph.T);
haftmann@28054
   719
haftmann@28054
   720
in
haftmann@28054
   721
haftmann@32924
   722
fun ml_node_of_program labelled_name module_name reserved raw_module_alias program =
haftmann@28054
   723
  let
haftmann@28054
   724
    val module_alias = if is_some module_name then K module_name else raw_module_alias;
haftmann@32924
   725
    val reserved = Name.make_context reserved;
haftmann@32924
   726
    val empty_module = ((reserved, reserved), Graph.empty);
haftmann@28054
   727
    fun map_node [] f = f
haftmann@28054
   728
      | map_node (m::ms) f =
haftmann@28054
   729
          Graph.default_node (m, Module (m, empty_module))
haftmann@28054
   730
          #> Graph.map_node m (fn (Module (module_name, (nsp, nodes))) =>
haftmann@28054
   731
               Module (module_name, (nsp, map_node ms f nodes)));
haftmann@28054
   732
    fun map_nsp_yield [] f (nsp, nodes) =
haftmann@28054
   733
          let
haftmann@28054
   734
            val (x, nsp') = f nsp
haftmann@28054
   735
          in (x, (nsp', nodes)) end
haftmann@28054
   736
      | map_nsp_yield (m::ms) f (nsp, nodes) =
haftmann@28054
   737
          let
haftmann@28054
   738
            val (x, nodes') =
haftmann@28054
   739
              nodes
haftmann@28054
   740
              |> Graph.default_node (m, Module (m, empty_module))
haftmann@28054
   741
              |> Graph.map_node_yield m (fn Module (d_module_name, nsp_nodes) => 
haftmann@28054
   742
                  let
haftmann@28054
   743
                    val (x, nsp_nodes') = map_nsp_yield ms f nsp_nodes
haftmann@28054
   744
                  in (x, Module (d_module_name, nsp_nodes')) end)
haftmann@28054
   745
          in (x, (nsp, nodes')) end;
haftmann@28054
   746
    fun map_nsp_fun_yield f (nsp_fun, nsp_typ) =
haftmann@28054
   747
      let
haftmann@28054
   748
        val (x, nsp_fun') = f nsp_fun
haftmann@28054
   749
      in (x, (nsp_fun', nsp_typ)) end;
haftmann@28054
   750
    fun map_nsp_typ_yield f (nsp_fun, nsp_typ) =
haftmann@28054
   751
      let
haftmann@28054
   752
        val (x, nsp_typ') = f nsp_typ
haftmann@28054
   753
      in (x, (nsp_fun, nsp_typ')) end;
haftmann@32924
   754
    val mk_name_module = mk_name_module reserved NONE module_alias program;
haftmann@28054
   755
    fun mk_name_stmt upper name nsp =
haftmann@28054
   756
      let
haftmann@32924
   757
        val (_, base) = dest_name name;
haftmann@32924
   758
        val base' = if upper then first_upper base else base;
haftmann@28054
   759
        val ([base''], nsp') = Name.variants [base'] nsp;
haftmann@28054
   760
      in (base'', nsp') end;
haftmann@37439
   761
    fun deps_of names =
haftmann@37439
   762
      []
haftmann@37439
   763
      |> fold (fold (insert (op =)) o Graph.imm_succs program) names
haftmann@37439
   764
      |> subtract (op =) names
haftmann@37439
   765
      |> filter_out (Code_Thingol.is_case o Graph.get_node program);
haftmann@37437
   766
    fun ml_binding_of_stmt (name, Code_Thingol.Fun (_, ((tysm as (vs, ty), raw_eqs), _))) =
haftmann@33636
   767
          let
haftmann@33636
   768
            val eqs = filter (snd o snd) raw_eqs;
haftmann@33636
   769
            val (eqs', is_value) = if null (filter_out (null o snd) vs) then case eqs
haftmann@35228
   770
               of [(([], t), some_thm)] => if (not o null o fst o Code_Thingol.unfold_fun) ty
haftmann@35228
   771
                  then ([(([IVar (SOME "x")], t `$ IVar (SOME "x")), some_thm)], NONE)
haftmann@33636
   772
                  else (eqs, SOME (name, member (op =) (Code_Thingol.add_constnames t []) name))
haftmann@33636
   773
                | _ => (eqs, NONE)
haftmann@33636
   774
              else (eqs, NONE)
haftmann@33636
   775
          in (ML_Function (name, (tysm, eqs')), is_value) end
haftmann@33992
   776
      | ml_binding_of_stmt (name, Code_Thingol.Classinst (stmt as ((_, (_, vs)), _))) =
haftmann@33992
   777
          (ML_Instance (name, stmt), if forall (null o snd) vs then SOME (name, false) else NONE)
haftmann@33636
   778
      | ml_binding_of_stmt (name, _) =
haftmann@33636
   779
          error ("Binding block containing illegal statement: " ^ labelled_name name)
haftmann@33636
   780
    fun add_fun (name, stmt) =
haftmann@29189
   781
      let
haftmann@33636
   782
        val (binding, some_value_name) = ml_binding_of_stmt (name, stmt);
haftmann@33636
   783
        val ml_stmt = case binding
haftmann@33636
   784
         of ML_Function (name, ((vs, ty), [])) =>
haftmann@33992
   785
              ML_Exc (name, ((vs, ty),
haftmann@33992
   786
                (length o filter_out (null o snd)) vs + (length o fst o Code_Thingol.unfold_fun) ty))
haftmann@33636
   787
          | _ => case some_value_name
haftmann@33636
   788
             of NONE => ML_Funs ([binding], [])
haftmann@33636
   789
              | SOME (name, true) => ML_Funs ([binding], [name])
haftmann@33636
   790
              | SOME (name, false) => ML_Val binding
haftmann@33636
   791
      in
haftmann@33636
   792
        map_nsp_fun_yield (mk_name_stmt false name)
haftmann@33636
   793
        #>> (fn name' => ([name'], ml_stmt))
haftmann@33636
   794
      end;
haftmann@33636
   795
    fun add_funs stmts =
haftmann@33636
   796
      let
haftmann@33636
   797
        val ml_stmt = ML_Funs (map_split ml_binding_of_stmt stmts |> (apsnd o map_filter o Option.map) fst);
haftmann@33636
   798
      in
haftmann@33636
   799
        fold_map (fn (name, _) => map_nsp_fun_yield (mk_name_stmt false name)) stmts
haftmann@33636
   800
        #>> rpair ml_stmt
haftmann@33636
   801
      end;
haftmann@28054
   802
    fun add_datatypes stmts =
haftmann@28054
   803
      fold_map
haftmann@28663
   804
        (fn (name, Code_Thingol.Datatype (_, stmt)) =>
haftmann@28054
   805
              map_nsp_typ_yield (mk_name_stmt false name) #>> rpair (SOME (name, stmt))
haftmann@28054
   806
          | (name, Code_Thingol.Datatypecons _) =>
haftmann@28054
   807
              map_nsp_fun_yield (mk_name_stmt true name) #>> rpair NONE
haftmann@28054
   808
          | (name, _) =>
haftmann@28054
   809
              error ("Datatype block containing illegal statement: " ^ labelled_name name)
haftmann@28054
   810
        ) stmts
haftmann@28054
   811
      #>> (split_list #> apsnd (map_filter I
haftmann@28054
   812
        #> (fn [] => error ("Datatype block without data statement: "
haftmann@28054
   813
                  ^ (commas o map (labelled_name o fst)) stmts)
haftmann@33636
   814
             | stmts => ML_Datas stmts)));
haftmann@28054
   815
    fun add_class stmts =
haftmann@28054
   816
      fold_map
haftmann@28663
   817
        (fn (name, Code_Thingol.Class (_, stmt)) =>
haftmann@28663
   818
              map_nsp_typ_yield (mk_name_stmt false name) #>> rpair (SOME (name, stmt))
haftmann@28054
   819
          | (name, Code_Thingol.Classrel _) =>
haftmann@28054
   820
              map_nsp_fun_yield (mk_name_stmt false name) #>> rpair NONE
haftmann@28054
   821
          | (name, Code_Thingol.Classparam _) =>
haftmann@28054
   822
              map_nsp_fun_yield (mk_name_stmt false name) #>> rpair NONE
haftmann@28054
   823
          | (name, _) =>
haftmann@28054
   824
              error ("Class block containing illegal statement: " ^ labelled_name name)
haftmann@28054
   825
        ) stmts
haftmann@28054
   826
      #>> (split_list #> apsnd (map_filter I
haftmann@28054
   827
        #> (fn [] => error ("Class block without class statement: "
haftmann@28054
   828
                  ^ (commas o map (labelled_name o fst)) stmts)
haftmann@33636
   829
             | [stmt] => ML_Class stmt)));
haftmann@33636
   830
    fun add_stmts ([stmt as (name, Code_Thingol.Fun _)]) =
haftmann@33636
   831
          add_fun stmt
haftmann@33636
   832
      | add_stmts ((stmts as (_, Code_Thingol.Fun _)::_)) =
haftmann@28054
   833
          add_funs stmts
haftmann@28054
   834
      | add_stmts ((stmts as (_, Code_Thingol.Datatypecons _)::_)) =
haftmann@28054
   835
          add_datatypes stmts
haftmann@28054
   836
      | add_stmts ((stmts as (_, Code_Thingol.Datatype _)::_)) =
haftmann@28054
   837
          add_datatypes stmts
haftmann@28054
   838
      | add_stmts ((stmts as (_, Code_Thingol.Class _)::_)) =
haftmann@28054
   839
          add_class stmts
haftmann@28054
   840
      | add_stmts ((stmts as (_, Code_Thingol.Classrel _)::_)) =
haftmann@28054
   841
          add_class stmts
haftmann@28054
   842
      | add_stmts ((stmts as (_, Code_Thingol.Classparam _)::_)) =
haftmann@28054
   843
          add_class stmts
haftmann@33636
   844
      | add_stmts ([stmt as (_, Code_Thingol.Classinst _)]) =
haftmann@33636
   845
          add_fun stmt
haftmann@33636
   846
      | add_stmts ((stmts as (_, Code_Thingol.Classinst _)::_)) =
haftmann@33636
   847
          add_funs stmts
haftmann@28054
   848
      | add_stmts stmts = error ("Illegal mutual dependencies: " ^
haftmann@28054
   849
          (commas o map (labelled_name o fst)) stmts);
haftmann@28054
   850
    fun add_stmts' stmts nsp_nodes =
haftmann@28054
   851
      let
haftmann@28054
   852
        val names as (name :: names') = map fst stmts;
haftmann@37439
   853
        val deps = deps_of names;
haftmann@32924
   854
        val (module_names, _) = (split_list o map dest_name) names;
haftmann@28054
   855
        val module_name = (the_single o distinct (op =) o map mk_name_module) module_names
haftmann@28054
   856
          handle Empty =>
haftmann@28054
   857
            error ("Different namespace prefixes for mutual dependencies:\n"
haftmann@28054
   858
              ^ commas (map labelled_name names)
haftmann@28054
   859
              ^ "\n"
haftmann@28054
   860
              ^ commas module_names);
wenzelm@30364
   861
        val module_name_path = Long_Name.explode module_name;
haftmann@28054
   862
        fun add_dep name name' =
haftmann@28054
   863
          let
haftmann@32924
   864
            val module_name' = (mk_name_module o fst o dest_name) name';
haftmann@28054
   865
          in if module_name = module_name' then
haftmann@28054
   866
            map_node module_name_path (Graph.add_edge (name, name'))
haftmann@28054
   867
          else let
haftmann@28705
   868
            val (common, (diff1 :: _, diff2 :: _)) = chop_prefix (op =)
wenzelm@30364
   869
              (module_name_path, Long_Name.explode module_name');
haftmann@28054
   870
          in
haftmann@28054
   871
            map_node common
haftmann@28054
   872
              (fn node => Graph.add_edge_acyclic (diff1, diff2) node
haftmann@28054
   873
                handle Graph.CYCLES _ => error ("Dependency "
haftmann@28054
   874
                  ^ quote name ^ " -> " ^ quote name'
haftmann@28054
   875
                  ^ " would result in module dependency cycle"))
haftmann@28054
   876
          end end;
haftmann@28054
   877
      in
haftmann@28054
   878
        nsp_nodes
haftmann@28054
   879
        |> map_nsp_yield module_name_path (add_stmts stmts)
haftmann@28054
   880
        |-> (fn (base' :: bases', stmt') =>
haftmann@28054
   881
           apsnd (map_node module_name_path (Graph.new_node (name, (Stmt (base', stmt')))
haftmann@28054
   882
              #> fold2 (fn name' => fn base' =>
haftmann@28054
   883
                   Graph.new_node (name', (Dummy base'))) names' bases')))
haftmann@28054
   884
        |> apsnd (fold (fn name => fold (add_dep name) deps) names)
haftmann@28054
   885
        |> apsnd (fold_product (curry (map_node module_name_path o Graph.add_edge)) names names)
haftmann@28054
   886
      end;
haftmann@37439
   887
    val stmts = map (AList.make (Graph.get_node program)) (rev (Graph.strong_conn program))
haftmann@37439
   888
      |> filter_out (fn [(_, stmt)] => Code_Thingol.is_case stmt | _ => false);
haftmann@37439
   889
    val (_, nodes) = fold add_stmts' stmts empty_module;
haftmann@28054
   890
    fun deresolver prefix name = 
haftmann@28054
   891
      let
haftmann@32924
   892
        val module_name = (fst o dest_name) name;
wenzelm@30364
   893
        val module_name' = (Long_Name.explode o mk_name_module) module_name;
haftmann@28054
   894
        val (_, (_, remainder)) = chop_prefix (op =) (prefix, module_name');
haftmann@28054
   895
        val stmt_name =
haftmann@28054
   896
          nodes
haftmann@28054
   897
          |> fold (fn name => fn node => case Graph.get_node node name
haftmann@28054
   898
              of Module (_, (_, node)) => node) module_name'
haftmann@28054
   899
          |> (fn node => case Graph.get_node node name of Stmt (stmt_name, _) => stmt_name
haftmann@28054
   900
               | Dummy stmt_name => stmt_name);
haftmann@28054
   901
      in
wenzelm@30364
   902
        Long_Name.implode (remainder @ [stmt_name])
haftmann@28054
   903
      end handle Graph.UNDEF _ =>
haftmann@28054
   904
        error ("Unknown statement name: " ^ labelled_name name);
haftmann@28054
   905
  in (deresolver, nodes) end;
haftmann@28054
   906
haftmann@33992
   907
fun serialize_ml target compile print_module print_stmt raw_module_name with_signatures labelled_name
haftmann@34071
   908
  reserved includes raw_module_alias _ syntax_tyco syntax_const (code_of_pretty, code_writeln) program stmt_names destination =
haftmann@28054
   909
  let
haftmann@28054
   910
    val is_cons = Code_Thingol.is_cons program;
haftmann@33992
   911
    val presentation_stmt_names = Code_Target.stmt_names_of_destination destination;
haftmann@33992
   912
    val is_presentation = not (null presentation_stmt_names);
haftmann@33992
   913
    val module_name = if is_presentation then SOME "Code" else raw_module_name;
haftmann@28054
   914
    val (deresolver, nodes) = ml_node_of_program labelled_name module_name
haftmann@32924
   915
      reserved raw_module_alias program;
haftmann@32924
   916
    val reserved = make_vars reserved;
haftmann@33992
   917
    fun print_node prefix (Dummy _) =
haftmann@28054
   918
          NONE
haftmann@33992
   919
      | print_node prefix (Stmt (_, stmt)) = if is_presentation andalso
haftmann@33992
   920
          (null o filter (member (op =) presentation_stmt_names) o stmt_names_of) stmt
haftmann@30962
   921
          then NONE
haftmann@33992
   922
          else SOME (print_stmt labelled_name syntax_tyco syntax_const reserved is_cons (deresolver prefix) stmt)
haftmann@33992
   923
      | print_node prefix (Module (module_name, (_, nodes))) =
haftmann@33992
   924
          let
haftmann@33992
   925
            val (decls, body) = print_nodes (prefix @ [module_name]) nodes;
haftmann@33992
   926
            val p = if is_presentation then Pretty.chunks2 body
haftmann@33992
   927
              else print_module module_name (if with_signatures then SOME decls else NONE) body;
haftmann@33992
   928
          in SOME ([], p) end
haftmann@33992
   929
    and print_nodes prefix nodes = (map_filter (print_node prefix o Graph.get_node nodes)
haftmann@33992
   930
        o rev o flat o Graph.strong_conn) nodes
haftmann@33992
   931
      |> split_list
haftmann@33992
   932
      |> (fn (decls, body) => (flat decls, body))
haftmann@30962
   933
    val stmt_names' = (map o try)
haftmann@30962
   934
      (deresolver (if is_some module_name then the_list module_name else [])) stmt_names;
haftmann@33992
   935
    val p = Pretty.chunks2 (map snd includes @ snd (print_nodes [] nodes));
haftmann@28054
   936
  in
haftmann@28054
   937
    Code_Target.mk_serialization target
haftmann@34071
   938
      (case compile of SOME compile => SOME (compile o code_of_pretty) | NONE => NONE)
haftmann@34071
   939
      (fn NONE => code_writeln | SOME file => File.write file o code_of_pretty)
haftmann@34071
   940
      (rpair stmt_names' o code_of_pretty) p destination
haftmann@28054
   941
  end;
haftmann@28054
   942
haftmann@28054
   943
end; (*local*)
haftmann@28054
   944
haftmann@28054
   945
haftmann@34028
   946
(** for instrumentalization **)
haftmann@28054
   947
haftmann@34032
   948
fun evaluation_code_of thy target struct_name =
haftmann@34032
   949
  Code_Target.serialize_custom thy (target, (fn _ => fn [] =>
haftmann@34032
   950
    serialize_ml target (SOME (K ())) print_sml_module print_sml_stmt (SOME struct_name) true, literals_sml));
haftmann@28054
   951
haftmann@28054
   952
haftmann@28054
   953
(** Isar setup **)
haftmann@28054
   954
haftmann@28054
   955
fun isar_seri_sml module_name =
haftmann@33992
   956
  Code_Target.parse_args (Scan.optional (Args.$$$ "no_signatures" >> K false) true
haftmann@33992
   957
  >> (fn with_signatures => serialize_ml target_SML
wenzelm@31327
   958
      (SOME (use_text ML_Env.local_context (1, "generated code") false))
haftmann@33992
   959
      print_sml_module print_sml_stmt module_name with_signatures));
haftmann@28054
   960
haftmann@28054
   961
fun isar_seri_ocaml module_name =
haftmann@33992
   962
  Code_Target.parse_args (Scan.optional (Args.$$$ "no_signatures" >> K false) true
haftmann@33992
   963
  >> (fn with_signatures => serialize_ml target_OCaml NONE
haftmann@33992
   964
      print_ocaml_module print_ocaml_stmt module_name with_signatures));
haftmann@28054
   965
haftmann@28054
   966
val setup =
haftmann@28064
   967
  Code_Target.add_target (target_SML, (isar_seri_sml, literals_sml))
haftmann@28064
   968
  #> Code_Target.add_target (target_OCaml, (isar_seri_ocaml, literals_ocaml))
haftmann@33992
   969
  #> Code_Target.add_syntax_tyco target_SML "fun" (SOME (2, fn print_typ => fn fxy => fn [ty1, ty2] =>
haftmann@37242
   970
      brackify_infix (1, R) fxy (
haftmann@33992
   971
        print_typ (INFX (1, X)) ty1,
haftmann@28054
   972
        str "->",
haftmann@33992
   973
        print_typ (INFX (1, R)) ty2
haftmann@37242
   974
      )))
haftmann@33992
   975
  #> Code_Target.add_syntax_tyco target_OCaml "fun" (SOME (2, fn print_typ => fn fxy => fn [ty1, ty2] =>
haftmann@37242
   976
      brackify_infix (1, R) fxy (
haftmann@33992
   977
        print_typ (INFX (1, X)) ty1,
haftmann@28054
   978
        str "->",
haftmann@33992
   979
        print_typ (INFX (1, R)) ty2
haftmann@37242
   980
      )))
haftmann@28054
   981
  #> fold (Code_Target.add_reserved target_SML) ML_Syntax.reserved_names
haftmann@28054
   982
  #> fold (Code_Target.add_reserved target_SML)
haftmann@34944
   983
      ["o" (*dictionary projections use it already*), "Fail", "div", "mod" (*standard infixes*), "IntInf"]
haftmann@28054
   984
  #> fold (Code_Target.add_reserved target_OCaml) [
haftmann@28054
   985
      "and", "as", "assert", "begin", "class",
haftmann@28054
   986
      "constraint", "do", "done", "downto", "else", "end", "exception",
haftmann@28054
   987
      "external", "false", "for", "fun", "function", "functor", "if",
haftmann@28054
   988
      "in", "include", "inherit", "initializer", "lazy", "let", "match", "method",
haftmann@28054
   989
      "module", "mutable", "new", "object", "of", "open", "or", "private", "rec",
haftmann@28054
   990
      "sig", "struct", "then", "to", "true", "try", "type", "val",
haftmann@28054
   991
      "virtual", "when", "while", "with"
haftmann@28054
   992
    ]
haftmann@34944
   993
  #> fold (Code_Target.add_reserved target_OCaml) ["failwith", "mod", "Big_int"];
haftmann@28054
   994
haftmann@28054
   995
end; (*struct*)