src/Tools/code/code_target.ML
author wenzelm
Sat Aug 09 22:43:46 2008 +0200 (2008-08-09)
changeset 27809 a1e409db516b
parent 27757 650af1991b8b
child 27845 141772c866c9
permissions -rw-r--r--
unified Args.T with OuterLex.token, renamed some operations;
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(*  Title:      Tools/code/code_target.ML
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    ID:         $Id$
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    Author:     Florian Haftmann, TU Muenchen
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Serializer from intermediate language ("Thin-gol")
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to target languages (like SML or Haskell).
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*)
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signature CODE_TARGET =
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sig
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  include BASIC_CODE_THINGOL;
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  val add_syntax_class: string -> class
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    -> (string * (string * string) list) option -> theory -> theory;
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  val add_syntax_inst: string -> string * class -> bool -> theory -> theory;
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  val add_syntax_tycoP: string -> string -> OuterParse.token list
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    -> (theory -> theory) * OuterParse.token list;
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  val add_syntax_constP: string -> string -> OuterParse.token list
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    -> (theory -> theory) * OuterParse.token list;
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  val add_undefined: string -> string -> string -> theory -> theory;
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  val add_pretty_list: string -> string -> string -> theory -> theory;
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  val add_pretty_list_string: string -> string -> string
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    -> string -> string list -> theory -> theory;
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  val add_pretty_char: string -> string -> string list -> theory -> theory
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  val add_pretty_numeral: string -> bool -> bool -> string -> string -> string
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    -> string -> string -> theory -> theory;
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  val add_pretty_message: string -> string -> string list -> string
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    -> string -> string -> theory -> theory;
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  val allow_abort: string -> theory -> theory;
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  type serialization;
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  type serializer;
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  val add_target: string * serializer -> theory -> theory;
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  val extend_target: string * (string * (CodeThingol.program -> CodeThingol.program))
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    -> theory -> theory;
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  val assert_target: theory -> string -> string;
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  val serialize: theory -> string -> string option -> Args.T list
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    -> CodeThingol.program -> string list -> serialization;
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  val compile: serialization -> unit;
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  val export: serialization -> unit;
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  val file: Path.T -> serialization -> unit;
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  val string: string list -> serialization -> string;
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  val code_of: theory -> string -> string -> string list -> string list -> string;
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  val eval_conv: string * (unit -> thm) option ref
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    -> theory -> cterm -> string list -> thm;
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  val eval_term: string * (unit -> 'a) option ref
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    -> theory -> term -> string list -> 'a;
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  val shell_command: string (*theory name*) -> string (*cg expr*) -> unit;
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  val setup: theory -> theory;
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  val code_width: int ref;
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  val ml_code_of: theory -> CodeThingol.program -> string list -> string * string list;
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end;
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structure CodeTarget : CODE_TARGET =
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struct
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open BasicCodeThingol;
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(** basics **)
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infixr 5 @@;
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infixr 5 @|;
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fun x @@ y = [x, y];
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fun xs @| y = xs @ [y];
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val str = PrintMode.setmp [] Pretty.str;
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val concat = Pretty.block o Pretty.breaks;
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val brackets = Pretty.enclose "(" ")" o Pretty.breaks;
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fun semicolon ps = Pretty.block [concat ps, str ";"];
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fun enum_default default sep opn cls [] = str default
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  | enum_default default sep opn cls xs = Pretty.enum sep opn cls xs;
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datatype destination = Compile | Export | File of Path.T | String of string list;
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type serialization = destination -> (string * string list) option;
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val code_width = ref 80; (*FIXME after Pretty module no longer depends on print mode*)
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fun code_setmp f = PrintMode.setmp [] (Pretty.setmp_margin (!code_width) f);
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fun code_of_pretty p = code_setmp Pretty.string_of p ^ "\n";
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fun code_writeln p = Pretty.setmp_margin (!code_width) Pretty.writeln p;
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(*FIXME why another code_setmp?*)
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fun compile f = (code_setmp f Compile; ());
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fun export f = (code_setmp f Export; ());
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fun file p f = (code_setmp f (File p); ());
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fun string cs f = fst (the (code_setmp f (String cs)));
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fun stmt_names_of_destination (String stmts) = stmts
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  | stmt_names_of_destination _ = [];
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(** generic syntax **)
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datatype lrx = L | R | X;
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datatype fixity =
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    BR
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  | NOBR
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  | INFX of (int * lrx);
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val APP = INFX (~1, L);
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fun fixity_lrx L L = false
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  | fixity_lrx R R = false
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  | fixity_lrx _ _ = true;
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fun fixity NOBR _ = false
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  | fixity _ NOBR = false
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  | fixity (INFX (pr, lr)) (INFX (pr_ctxt, lr_ctxt)) =
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      pr < pr_ctxt
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      orelse pr = pr_ctxt
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        andalso fixity_lrx lr lr_ctxt
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      orelse pr_ctxt = ~1
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  | fixity BR (INFX _) = false
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  | fixity _ _ = true;
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fun gen_brackify _ [p] = p
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  | gen_brackify true (ps as _::_) = Pretty.enclose "(" ")" ps
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  | gen_brackify false (ps as _::_) = Pretty.block ps;
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fun brackify fxy_ctxt =
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  gen_brackify (fixity BR fxy_ctxt) o Pretty.breaks;
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fun brackify_infix infx fxy_ctxt =
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  gen_brackify (fixity (INFX infx) fxy_ctxt) o Pretty.breaks;
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type class_syntax = string * (string -> string option);
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type typ_syntax = int * ((fixity -> itype -> Pretty.T)
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  -> fixity -> itype list -> Pretty.T);
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type term_syntax = int * ((CodeName.var_ctxt -> fixity -> iterm -> Pretty.T)
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  -> thm -> bool -> CodeName.var_ctxt -> fixity -> (iterm * itype) list -> Pretty.T);
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datatype name_syntax_table = NameSyntaxTable of {
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  class: class_syntax Symtab.table,
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  inst: unit Symtab.table,
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  tyco: typ_syntax Symtab.table,
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  const: term_syntax Symtab.table
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};
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(** theory data **)
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val target_SML = "SML";
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val target_OCaml = "OCaml";
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val target_Haskell = "Haskell";
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fun mk_name_syntax_table ((class, inst), (tyco, const)) =
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  NameSyntaxTable { class = class, inst = inst, tyco = tyco, const = const };
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fun map_name_syntax_table f (NameSyntaxTable { class, inst, tyco, const }) =
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  mk_name_syntax_table (f ((class, inst), (tyco, const)));
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fun merge_name_syntax_table (NameSyntaxTable { class = class1, inst = inst1, tyco = tyco1, const = const1 },
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    NameSyntaxTable { class = class2, inst = inst2, tyco = tyco2, const = const2 }) =
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  mk_name_syntax_table (
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    (Symtab.join (K snd) (class1, class2),
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       Symtab.join (K snd) (inst1, inst2)),
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    (Symtab.join (K snd) (tyco1, tyco2),
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       Symtab.join (K snd) (const1, const2))
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  );
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type serializer =
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  string option                         (*module name*)
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  -> Args.T list                        (*arguments*)
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  -> (string -> string)                 (*labelled_name*)
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  -> string list                        (*reserved symbols*)
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  -> (string * Pretty.T) list           (*includes*)
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  -> (string -> string option)          (*module aliasses*)
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  -> (string -> class_syntax option)
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  -> (string -> typ_syntax option)
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  -> (string -> term_syntax option)
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  -> CodeThingol.program
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  -> string list                        (*selected statements*)
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  -> serialization;
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datatype serializer_entry = Serializer of serializer
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  | Extends of string * (CodeThingol.program -> CodeThingol.program);
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datatype target = Target of {
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  serial: serial,
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  serializer: serializer_entry,
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  reserved: string list,
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  includes: Pretty.T Symtab.table,
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  name_syntax_table: name_syntax_table,
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  module_alias: string Symtab.table
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};
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fun mk_target ((serial, serializer), ((reserved, includes), (name_syntax_table, module_alias))) =
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  Target { serial = serial, serializer = serializer, reserved = reserved, 
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    includes = includes, name_syntax_table = name_syntax_table, module_alias = module_alias };
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fun map_target f ( Target { serial, serializer, reserved, includes, name_syntax_table, module_alias } ) =
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  mk_target (f ((serial, serializer), ((reserved, includes), (name_syntax_table, module_alias))));
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fun merge_target strict target (Target { serial = serial1, serializer = serializer,
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  reserved = reserved1, includes = includes1,
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  name_syntax_table = name_syntax_table1, module_alias = module_alias1 },
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    Target { serial = serial2, serializer = _,
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      reserved = reserved2, includes = includes2,
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      name_syntax_table = name_syntax_table2, module_alias = module_alias2 }) =
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  if serial1 = serial2 orelse not strict then
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    mk_target ((serial1, serializer),
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      ((merge (op =) (reserved1, reserved2), Symtab.merge (op =) (includes1, includes2)),
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        (merge_name_syntax_table (name_syntax_table1, name_syntax_table2),
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          Symtab.join (K snd) (module_alias1, module_alias2))
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    ))
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  else
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    error ("Incompatible serializers: " ^ quote target);
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structure CodeTargetData = TheoryDataFun
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(
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  type T = target Symtab.table * string list;
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  val empty = (Symtab.empty, []);
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  val copy = I;
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  val extend = I;
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  fun merge _ ((target1, exc1) : T, (target2, exc2)) =
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    (Symtab.join (merge_target true) (target1, target2), Library.merge (op =) (exc1, exc2));
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);
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fun the_serializer (Target { serializer, ... }) = serializer;
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fun the_reserved (Target { reserved, ... }) = reserved;
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fun the_includes (Target { includes, ... }) = includes;
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fun the_name_syntax (Target { name_syntax_table = NameSyntaxTable x, ... }) = x;
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fun the_module_alias (Target { module_alias , ... }) = module_alias;
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val abort_allowed = snd o CodeTargetData.get;
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fun assert_target thy target =
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  case Symtab.lookup (fst (CodeTargetData.get thy)) target
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   of SOME data => target
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    | NONE => error ("Unknown code target language: " ^ quote target);
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fun put_target (target, seri) thy =
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  let
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    val defined_target = is_some o Symtab.lookup (fst (CodeTargetData.get thy));
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    val _ = case seri
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     of Extends (super, _) => if defined_target super then ()
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          else error ("Unknown code target language: " ^ quote super)
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      | _ => ();
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    val _ = if defined_target target
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      then warning ("Overwriting existing target " ^ quote target)
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      else ();
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  in
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    thy
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    |> (CodeTargetData.map o apfst oo Symtab.map_default)
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          (target, mk_target ((serial (), seri), (([], Symtab.empty),
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            (mk_name_syntax_table ((Symtab.empty, Symtab.empty), (Symtab.empty, Symtab.empty)),
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              Symtab.empty))))
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          ((map_target o apfst o apsnd o K) seri)
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  end;
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fun add_target (target, seri) = put_target (target, Serializer seri);
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fun extend_target (target, (super, modify)) =
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  put_target (target, Extends (super, modify));
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fun map_target_data target f thy =
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  let
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    val _ = assert_target thy target;
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  in
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    thy
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    |> (CodeTargetData.map o apfst o Symtab.map_entry target o map_target) f
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  end;
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fun map_reserved target =
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  map_target_data target o apsnd o apfst o apfst;
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fun map_includes target =
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  map_target_data target o apsnd o apfst o apsnd;
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fun map_name_syntax target =
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  map_target_data target o apsnd o apsnd o apfst o map_name_syntax_table;
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fun map_module_alias target =
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  map_target_data target o apsnd o apsnd o apsnd;
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fun invoke_serializer thy modify abortable serializer reserved includes 
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    module_alias class inst tyco const module args program1 cs1 =
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  let
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    val program2 = modify program1;
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    val hidden = Symtab.keys class @ Symtab.keys inst @ Symtab.keys tyco @ Symtab.keys const;
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    val cs2 = subtract (op =) hidden cs1;
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    val program3 = Graph.subgraph (not o member (op =) hidden) program2;
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    val all_cs = Graph.all_succs program2 cs2;
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    val program4 = Graph.subgraph (member (op =) all_cs) program3;
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    val empty_funs = filter_out (member (op =) abortable)
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      (CodeThingol.empty_funs program3);
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    val _ = if null empty_funs then () else error ("No defining equations for "
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      ^ commas (map (CodeName.labelled_name thy) empty_funs));
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  in
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    serializer module args (CodeName.labelled_name thy) reserved includes
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      (Symtab.lookup module_alias) (Symtab.lookup class)
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      (Symtab.lookup tyco) (Symtab.lookup const)
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      program4 cs2
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  end;
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fun mount_serializer thy alt_serializer target =
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  let
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    val (targets, abortable) = CodeTargetData.get thy;
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    fun collapse_hierarchy target =
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      let
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        val data = case Symtab.lookup targets target
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         of SOME data => data
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          | NONE => error ("Unknown code target language: " ^ quote target);
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      in case the_serializer data
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       of Serializer _ => (I, data)
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        | Extends (super, modify) => let
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            val (modify', data') = collapse_hierarchy super
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          in (modify' #> modify, merge_target false target (data', data)) end
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      end;
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    val (modify, data) = collapse_hierarchy target;
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    val serializer = the_default (case the_serializer data
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     of Serializer seri => seri) alt_serializer;
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    val reserved = the_reserved data;
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    val includes = Symtab.dest (the_includes data);
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    val module_alias = the_module_alias data;
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    val { class, inst, tyco, const } = the_name_syntax data;
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  in
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    invoke_serializer thy modify abortable serializer reserved
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      includes module_alias class inst tyco const
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  end;
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fun serialize thy = mount_serializer thy NONE;
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fun parse_args f args =
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  case Scan.read OuterLex.stopper f args
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   of SOME x => x
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    | NONE => error "Bad serializer arguments";
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(** generic code combinators **)
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haftmann@24219
   328
(* list, char, string, numeral and monad abstract syntax transformations *)
haftmann@24219
   329
haftmann@27304
   330
fun nerror thm s = error (s ^ ",\nin equation " ^ Display.string_of_thm thm);
haftmann@27304
   331
haftmann@24219
   332
fun implode_list c_nil c_cons t =
haftmann@24219
   333
  let
haftmann@24219
   334
    fun dest_cons (IConst (c, _) `$ t1 `$ t2) =
haftmann@24219
   335
          if c = c_cons
haftmann@24219
   336
          then SOME (t1, t2)
haftmann@24219
   337
          else NONE
haftmann@24219
   338
      | dest_cons _ = NONE;
haftmann@24219
   339
    val (ts, t') = CodeThingol.unfoldr dest_cons t;
haftmann@24219
   340
  in case t'
haftmann@24219
   341
   of IConst (c, _) => if c = c_nil then SOME ts else NONE
haftmann@24219
   342
    | _ => NONE
haftmann@24219
   343
  end;
haftmann@24219
   344
haftmann@24219
   345
fun decode_char c_nibbles (IConst (c1, _), IConst (c2, _)) =
haftmann@24219
   346
      let
haftmann@24219
   347
        fun idx c = find_index (curry (op =) c) c_nibbles;
haftmann@24219
   348
        fun decode ~1 _ = NONE
haftmann@24219
   349
          | decode _ ~1 = NONE
haftmann@24219
   350
          | decode n m = SOME (chr (n * 16 + m));
haftmann@24219
   351
      in decode (idx c1) (idx c2) end
haftmann@24219
   352
  | decode_char _ _ = NONE;
haftmann@24219
   353
haftmann@24219
   354
fun implode_string c_char c_nibbles mk_char mk_string ts =
haftmann@24219
   355
  let
haftmann@24219
   356
    fun implode_char (IConst (c, _) `$ t1 `$ t2) =
haftmann@24219
   357
          if c = c_char then decode_char c_nibbles (t1, t2) else NONE
haftmann@24219
   358
      | implode_char _ = NONE;
haftmann@24219
   359
    val ts' = map implode_char ts;
haftmann@24219
   360
  in if forall is_some ts'
haftmann@24219
   361
    then (SOME o str o mk_string o implode o map_filter I) ts'
haftmann@24219
   362
    else NONE
haftmann@24219
   363
  end;
haftmann@24219
   364
haftmann@27304
   365
fun implode_numeral thm negative c_pls c_min c_bit0 c_bit1 =
haftmann@24219
   366
  let
haftmann@25936
   367
    fun dest_bit (IConst (c, _)) = if c = c_bit0 then 0
haftmann@25936
   368
          else if c = c_bit1 then 1
haftmann@27304
   369
          else nerror thm "Illegal numeral expression: illegal bit"
haftmann@27304
   370
      | dest_bit _ = nerror thm "Illegal numeral expression: illegal bit";
wenzelm@24630
   371
    fun dest_numeral (IConst (c, _)) = if c = c_pls then SOME 0
haftmann@25936
   372
          else if c = c_min then
haftmann@25936
   373
            if negative then SOME ~1 else NONE
haftmann@27304
   374
          else nerror thm "Illegal numeral expression: illegal leading digit"
huffman@26086
   375
      | dest_numeral (t1 `$ t2) =
huffman@26086
   376
          let val (n, b) = (dest_numeral t2, dest_bit t1)
huffman@26086
   377
          in case n of SOME n => SOME (2 * n + b) | NONE => NONE end
haftmann@27304
   378
      | dest_numeral _ = nerror thm "Illegal numeral expression: illegal term";
haftmann@25936
   379
  in dest_numeral #> the_default 0 end;
haftmann@24219
   380
haftmann@24992
   381
fun implode_monad c_bind t =
haftmann@24219
   382
  let
haftmann@24219
   383
    fun dest_monad (IConst (c, _) `$ t1 `$ t2) =
haftmann@24992
   384
          if c = c_bind
haftmann@24219
   385
            then case CodeThingol.split_abs t2
haftmann@24992
   386
             of SOME (((v, pat), ty), t') =>
haftmann@24992
   387
                  SOME ((SOME (((SOME v, pat), ty), true), t1), t')
haftmann@24219
   388
              | NONE => NONE
haftmann@24219
   389
            else NONE
haftmann@24219
   390
      | dest_monad t = case CodeThingol.split_let t
haftmann@24992
   391
           of SOME (((pat, ty), tbind), t') =>
haftmann@24992
   392
                SOME ((SOME (((NONE, SOME pat), ty), false), tbind), t')
haftmann@24219
   393
            | NONE => NONE;
haftmann@24219
   394
  in CodeThingol.unfoldr dest_monad t end;
haftmann@24219
   395
haftmann@24219
   396
haftmann@27103
   397
(* applications and bindings *)
haftmann@27103
   398
haftmann@27304
   399
fun gen_pr_app pr_app pr_term syntax_const is_cons thm pat
haftmann@27304
   400
    vars fxy (app as ((c, (_, tys)), ts)) =
haftmann@27103
   401
  case syntax_const c
haftmann@27304
   402
   of NONE => if pat andalso not (is_cons c) then
haftmann@27710
   403
        nerror thm "Non-constructor in pattern"
haftmann@27304
   404
        else brackify fxy (pr_app thm pat vars app)
haftmann@27103
   405
    | SOME (i, pr) =>
haftmann@27103
   406
        let
haftmann@27103
   407
          val k = if i < 0 then length tys else i;
haftmann@27304
   408
          fun pr' fxy ts = pr (pr_term thm pat) thm pat vars fxy (ts ~~ curry Library.take k tys);
haftmann@27103
   409
        in if k = length ts
haftmann@27103
   410
          then pr' fxy ts
haftmann@27103
   411
        else if k < length ts
haftmann@27103
   412
          then case chop k ts of (ts1, ts2) =>
haftmann@27304
   413
            brackify fxy (pr' APP ts1 :: map (pr_term thm pat vars BR) ts2)
haftmann@27710
   414
          else pr_term thm pat vars fxy (CodeThingol.eta_expand k app)
haftmann@27103
   415
        end;
haftmann@27103
   416
haftmann@27304
   417
fun gen_pr_bind pr_bind pr_term thm (fxy : fixity) ((v, pat), ty : itype) vars =
haftmann@27103
   418
  let
haftmann@27103
   419
    val vs = case pat
haftmann@27103
   420
     of SOME pat => CodeThingol.fold_varnames (insert (op =)) pat []
haftmann@27103
   421
      | NONE => [];
haftmann@27103
   422
    val vars' = CodeName.intro_vars (the_list v) vars;
haftmann@27103
   423
    val vars'' = CodeName.intro_vars vs vars';
haftmann@27103
   424
    val v' = Option.map (CodeName.lookup_var vars') v;
haftmann@27304
   425
    val pat' = Option.map (pr_term thm true vars'' fxy) pat;
haftmann@27103
   426
  in (pr_bind ((v', pat'), ty), vars'') end;
haftmann@27103
   427
haftmann@27103
   428
haftmann@27000
   429
(* name auxiliary *)
haftmann@24219
   430
haftmann@24219
   431
val first_upper = implode o nth_map 0 Symbol.to_ascii_upper o explode;
haftmann@24219
   432
val first_lower = implode o nth_map 0 Symbol.to_ascii_lower o explode;
haftmann@24219
   433
haftmann@24219
   434
val dest_name =
haftmann@24219
   435
  apfst NameSpace.implode o split_last o fst o split_last o NameSpace.explode;
haftmann@24219
   436
haftmann@27103
   437
fun mk_name_module reserved_names module_prefix module_alias program =
haftmann@24219
   438
  let
haftmann@27103
   439
    fun mk_alias name = case module_alias name
haftmann@27103
   440
     of SOME name' => name'
haftmann@27103
   441
      | NONE => name
haftmann@27103
   442
          |> NameSpace.explode
haftmann@27103
   443
          |> map (fn name => (the_single o fst) (Name.variants [name] reserved_names))
haftmann@27103
   444
          |> NameSpace.implode;
haftmann@27103
   445
    fun mk_prefix name = case module_prefix
haftmann@27103
   446
     of SOME module_prefix => NameSpace.append module_prefix name
haftmann@27103
   447
      | NONE => name;
haftmann@24219
   448
    val tab =
haftmann@24219
   449
      Symtab.empty
haftmann@24219
   450
      |> Graph.fold ((fn name => Symtab.default (name, (mk_alias #> mk_prefix) name))
haftmann@24219
   451
           o fst o dest_name o fst)
haftmann@27103
   452
             program
haftmann@27103
   453
  in the o Symtab.lookup tab end;
haftmann@24219
   454
haftmann@24219
   455
haftmann@24219
   456
haftmann@24219
   457
(** SML/OCaml serializer **)
haftmann@24219
   458
haftmann@27103
   459
datatype ml_stmt =
haftmann@27304
   460
    MLFuns of (string * (typscheme * ((iterm list * iterm) * thm) list)) list
haftmann@24219
   461
  | MLDatas of (string * ((vname * sort) list * (string * itype list) list)) list
haftmann@24811
   462
  | MLClass of string * (vname * ((class * string) list * (string * itype) list))
haftmann@24219
   463
  | MLClassinst of string * ((class * (string * (vname * sort) list))
haftmann@24219
   464
        * ((class * (string * (string * dict list list))) list
haftmann@27304
   465
      * ((string * const) * thm) list));
haftmann@27304
   466
haftmann@27304
   467
fun stmt_names_of (MLFuns fs) = map fst fs
haftmann@27304
   468
  | stmt_names_of (MLDatas ds) = map fst ds
haftmann@27304
   469
  | stmt_names_of (MLClass (c, _)) = [c]
haftmann@27304
   470
  | stmt_names_of (MLClassinst (i, _)) = [i];
haftmann@24219
   471
haftmann@27103
   472
fun pr_sml_stmt syntax_tyco syntax_const labelled_name reserved_names deresolve is_cons =
haftmann@24219
   473
  let
haftmann@24992
   474
    val pr_label_classrel = translate_string (fn "." => "__" | c => c)
haftmann@24992
   475
      o NameSpace.qualifier;
haftmann@24841
   476
    val pr_label_classparam = NameSpace.base o NameSpace.qualifier;
haftmann@24219
   477
    fun pr_dicts fxy ds =
haftmann@24219
   478
      let
haftmann@24219
   479
        fun pr_dictvar (v, (_, 1)) = first_upper v ^ "_"
haftmann@24219
   480
          | pr_dictvar (v, (i, _)) = first_upper v ^ string_of_int (i+1) ^ "_";
haftmann@24219
   481
        fun pr_proj [] p =
haftmann@24219
   482
              p
haftmann@24219
   483
          | pr_proj [p'] p =
haftmann@24219
   484
              brackets [p', p]
haftmann@24219
   485
          | pr_proj (ps as _ :: _) p =
haftmann@24219
   486
              brackets [Pretty.enum " o" "(" ")" ps, p];
haftmann@27103
   487
        fun pr_dict fxy (DictConst (inst, dss)) =
haftmann@27103
   488
              brackify fxy ((str o deresolve) inst :: map (pr_dicts BR) dss)
haftmann@27103
   489
          | pr_dict fxy (DictVar (classrels, v)) =
haftmann@27103
   490
              pr_proj (map (str o deresolve) classrels) ((str o pr_dictvar) v)
haftmann@24219
   491
      in case ds
haftmann@24219
   492
       of [] => str "()"
haftmann@27103
   493
        | [d] => pr_dict fxy d
haftmann@27103
   494
        | _ :: _ => (Pretty.list "(" ")" o map (pr_dict NOBR)) ds
haftmann@24219
   495
      end;
haftmann@27103
   496
    fun pr_tyvar_dicts vs =
haftmann@24219
   497
      vs
haftmann@24992
   498
      |> map (fn (v, sort) => map_index (fn (i, _) =>
haftmann@24992
   499
           DictVar ([], (v, (i, length sort)))) sort)
haftmann@24219
   500
      |> map (pr_dicts BR);
haftmann@24219
   501
    fun pr_tycoexpr fxy (tyco, tys) =
haftmann@24219
   502
      let
haftmann@27103
   503
        val tyco' = (str o deresolve) tyco
haftmann@24219
   504
      in case map (pr_typ BR) tys
haftmann@24219
   505
       of [] => tyco'
haftmann@24219
   506
        | [p] => Pretty.block [p, Pretty.brk 1, tyco']
haftmann@24219
   507
        | (ps as _::_) => Pretty.block [Pretty.list "(" ")" ps, Pretty.brk 1, tyco']
haftmann@24219
   508
      end
haftmann@27304
   509
    and pr_typ fxy (tyco `%% tys) = (case syntax_tyco tyco
haftmann@27304
   510
         of NONE => pr_tycoexpr fxy (tyco, tys)
haftmann@27304
   511
          | SOME (i, pr) => pr pr_typ fxy tys)
haftmann@27304
   512
      | pr_typ fxy (ITyVar v) = str ("'" ^ v);
haftmann@27304
   513
    fun pr_term thm pat vars fxy (IConst c) =
haftmann@27304
   514
          pr_app thm pat vars fxy (c, [])
haftmann@27304
   515
      | pr_term thm pat vars fxy (IVar v) =
haftmann@24219
   516
          str (CodeName.lookup_var vars v)
haftmann@27304
   517
      | pr_term thm pat vars fxy (t as t1 `$ t2) =
haftmann@24219
   518
          (case CodeThingol.unfold_const_app t
haftmann@27304
   519
           of SOME c_ts => pr_app thm pat vars fxy c_ts
haftmann@24219
   520
            | NONE =>
haftmann@27304
   521
                brackify fxy [pr_term thm pat vars NOBR t1, pr_term thm pat vars BR t2])
haftmann@27304
   522
      | pr_term thm pat vars fxy (t as _ `|-> _) =
haftmann@24219
   523
          let
haftmann@24219
   524
            val (binds, t') = CodeThingol.unfold_abs t;
haftmann@24219
   525
            fun pr ((v, pat), ty) =
haftmann@27304
   526
              pr_bind thm NOBR ((SOME v, pat), ty)
haftmann@24219
   527
              #>> (fn p => concat [str "fn", p, str "=>"]);
haftmann@24219
   528
            val (ps, vars') = fold_map pr binds vars;
haftmann@27304
   529
          in brackets (ps @ [pr_term thm pat vars' NOBR t']) end
haftmann@27304
   530
      | pr_term thm pat vars fxy (ICase (cases as (_, t0))) =
haftmann@24992
   531
          (case CodeThingol.unfold_const_app t0
haftmann@27103
   532
           of SOME (c_ts as ((c, _), _)) => if is_none (syntax_const c)
haftmann@27304
   533
                then pr_case thm vars fxy cases
haftmann@27304
   534
                else pr_app thm pat vars fxy c_ts
haftmann@27304
   535
            | NONE => pr_case thm vars fxy cases)
haftmann@27304
   536
    and pr_app' thm pat vars (app as ((c, (iss, tys)), ts)) =
haftmann@24219
   537
      if is_cons c then let
haftmann@24219
   538
        val k = length tys
haftmann@24219
   539
      in if k < 2 then 
haftmann@27304
   540
        (str o deresolve) c :: map (pr_term thm pat vars BR) ts
haftmann@24219
   541
      else if k = length ts then
haftmann@27304
   542
        [(str o deresolve) c, Pretty.enum "," "(" ")" (map (pr_term thm pat vars NOBR) ts)]
haftmann@27710
   543
      else [pr_term thm pat vars BR (CodeThingol.eta_expand k app)] end else
haftmann@27103
   544
        (str o deresolve) c
haftmann@27304
   545
          :: (map (pr_dicts BR) o filter_out null) iss @ map (pr_term thm pat vars BR) ts
haftmann@27304
   546
    and pr_app thm pat vars = gen_pr_app pr_app' pr_term syntax_const is_cons thm pat vars
haftmann@24219
   547
    and pr_bind' ((NONE, NONE), _) = str "_"
haftmann@24219
   548
      | pr_bind' ((SOME v, NONE), _) = str v
haftmann@24219
   549
      | pr_bind' ((NONE, SOME p), _) = p
haftmann@24219
   550
      | pr_bind' ((SOME v, SOME p), _) = concat [str v, str "as", p]
haftmann@27304
   551
    and pr_bind thm = gen_pr_bind pr_bind' pr_term thm
haftmann@27304
   552
    and pr_case thm vars fxy (cases as ((_, [_]), _)) =
haftmann@24219
   553
          let
haftmann@24219
   554
            val (binds, t') = CodeThingol.unfold_let (ICase cases);
haftmann@24219
   555
            fun pr ((pat, ty), t) vars =
haftmann@24219
   556
              vars
haftmann@27304
   557
              |> pr_bind thm NOBR ((NONE, SOME pat), ty)
haftmann@27304
   558
              |>> (fn p => semicolon [str "val", p, str "=", pr_term thm false vars NOBR t])
haftmann@24219
   559
            val (ps, vars') = fold_map pr binds vars;
haftmann@24219
   560
          in
haftmann@24219
   561
            Pretty.chunks [
haftmann@24219
   562
              [str ("let"), Pretty.fbrk, Pretty.chunks ps] |> Pretty.block,
haftmann@27304
   563
              [str ("in"), Pretty.fbrk, pr_term thm false vars' NOBR t'] |> Pretty.block,
haftmann@24219
   564
              str ("end")
haftmann@24219
   565
            ]
haftmann@24219
   566
          end
haftmann@27304
   567
      | pr_case thm vars fxy (((td, ty), b::bs), _) =
haftmann@24219
   568
          let
haftmann@24219
   569
            fun pr delim (pat, t) =
haftmann@24219
   570
              let
haftmann@27304
   571
                val (p, vars') = pr_bind thm NOBR ((NONE, SOME pat), ty) vars;
haftmann@24219
   572
              in
haftmann@27304
   573
                concat [str delim, p, str "=>", pr_term thm false vars' NOBR t]
haftmann@24219
   574
              end;
haftmann@24219
   575
          in
haftmann@24219
   576
            (Pretty.enclose "(" ")" o single o brackify fxy) (
haftmann@24219
   577
              str "case"
haftmann@27304
   578
              :: pr_term thm false vars NOBR td
haftmann@24219
   579
              :: pr "of" b
haftmann@24219
   580
              :: map (pr "|") bs
haftmann@24219
   581
            )
haftmann@24219
   582
          end
haftmann@27304
   583
      | pr_case thm vars fxy ((_, []), _) = str "raise Fail \"empty case\"";
haftmann@27103
   584
    fun pr_stmt (MLFuns (funns as (funn :: funns'))) =
haftmann@24219
   585
          let
haftmann@24219
   586
            val definer =
haftmann@24219
   587
              let
haftmann@27304
   588
                fun no_args _ (((ts, _), _) :: _) = length ts
haftmann@24841
   589
                  | no_args ty [] = (length o fst o CodeThingol.unfold_fun) ty;
haftmann@24841
   590
                fun mk 0 [] = "val"
haftmann@24992
   591
                  | mk 0 vs = if (null o filter_out (null o snd)) vs
haftmann@24992
   592
                      then "val" else "fun"
haftmann@24841
   593
                  | mk k _ = "fun";
haftmann@24841
   594
                fun chk (_, ((vs, ty), eqs)) NONE = SOME (mk (no_args ty eqs) vs)
haftmann@24841
   595
                  | chk (_, ((vs, ty), eqs)) (SOME defi) =
haftmann@24841
   596
                      if defi = mk (no_args ty eqs) vs then SOME defi
haftmann@24219
   597
                      else error ("Mixing simultaneous vals and funs not implemented: "
haftmann@24219
   598
                        ^ commas (map (labelled_name o fst) funns));
haftmann@24219
   599
              in the (fold chk funns NONE) end;
haftmann@27103
   600
            fun pr_funn definer (name, ((vs, ty), [])) =
haftmann@24219
   601
                  let
haftmann@27103
   602
                    val vs_dict = filter_out (null o snd) vs;
haftmann@27103
   603
                    val n = length vs_dict + (length o fst o CodeThingol.unfold_fun) ty;
haftmann@24992
   604
                    val exc_str =
haftmann@24992
   605
                      (ML_Syntax.print_string o NameSpace.base o NameSpace.qualifier) name;
haftmann@24219
   606
                  in
haftmann@24219
   607
                    concat (
haftmann@24841
   608
                      str definer
haftmann@27103
   609
                      :: (str o deresolve) name
haftmann@24841
   610
                      :: map str (replicate n "_")
haftmann@24841
   611
                      @ str "="
haftmann@24841
   612
                      :: str "raise"
haftmann@24841
   613
                      :: str "(Fail"
haftmann@27103
   614
                      @@ str (exc_str ^ ")")
haftmann@24219
   615
                    )
haftmann@24219
   616
                  end
haftmann@27103
   617
              | pr_funn definer (name, ((vs, ty), eqs as eq :: eqs')) =
haftmann@24841
   618
                  let
haftmann@27103
   619
                    val vs_dict = filter_out (null o snd) vs;
haftmann@24841
   620
                    val shift = if null eqs' then I else
haftmann@24841
   621
                      map (Pretty.block o single o Pretty.block o single);
haftmann@27304
   622
                    fun pr_eq definer ((ts, t), thm) =
haftmann@24841
   623
                      let
haftmann@24841
   624
                        val consts = map_filter
haftmann@27103
   625
                          (fn c => if (is_some o syntax_const) c
haftmann@27103
   626
                            then NONE else (SOME o NameSpace.base o deresolve) c)
haftmann@24841
   627
                            ((fold o CodeThingol.fold_constnames) (insert (op =)) (t :: ts) []);
haftmann@27103
   628
                        val vars = reserved_names
haftmann@24841
   629
                          |> CodeName.intro_vars consts
haftmann@24841
   630
                          |> CodeName.intro_vars ((fold o CodeThingol.fold_unbound_varnames)
haftmann@24841
   631
                               (insert (op =)) ts []);
haftmann@24841
   632
                      in
haftmann@24841
   633
                        concat (
haftmann@27103
   634
                          [str definer, (str o deresolve) name]
haftmann@27103
   635
                          @ (if null ts andalso null vs_dict
haftmann@24841
   636
                             then [str ":", pr_typ NOBR ty]
haftmann@24841
   637
                             else
haftmann@27103
   638
                               pr_tyvar_dicts vs_dict
haftmann@27304
   639
                               @ map (pr_term thm true vars BR) ts)
haftmann@27304
   640
                       @ [str "=", pr_term thm false vars NOBR t]
haftmann@24841
   641
                        )
haftmann@24841
   642
                      end
haftmann@24841
   643
                  in
haftmann@24841
   644
                    (Pretty.block o Pretty.fbreaks o shift) (
haftmann@24841
   645
                      pr_eq definer eq
haftmann@24841
   646
                      :: map (pr_eq "|") eqs'
haftmann@24841
   647
                    )
haftmann@24841
   648
                  end;
haftmann@24219
   649
            val (ps, p) = split_last (pr_funn definer funn :: map (pr_funn "and") funns');
haftmann@24219
   650
          in Pretty.chunks (ps @ [Pretty.block ([p, str ";"])]) end
haftmann@27103
   651
     | pr_stmt (MLDatas (datas as (data :: datas'))) =
haftmann@24219
   652
          let
haftmann@24219
   653
            fun pr_co (co, []) =
haftmann@27103
   654
                  str (deresolve co)
haftmann@24219
   655
              | pr_co (co, tys) =
haftmann@24219
   656
                  concat [
haftmann@27103
   657
                    str (deresolve co),
haftmann@24219
   658
                    str "of",
haftmann@24219
   659
                    Pretty.enum " *" "" "" (map (pr_typ (INFX (2, X))) tys)
haftmann@24219
   660
                  ];
haftmann@24219
   661
            fun pr_data definer (tyco, (vs, [])) =
haftmann@24219
   662
                  concat (
haftmann@24219
   663
                    str definer
haftmann@24219
   664
                    :: pr_tycoexpr NOBR (tyco, map (ITyVar o fst) vs)
haftmann@24219
   665
                    :: str "="
haftmann@24219
   666
                    @@ str "EMPTY__" 
haftmann@24219
   667
                  )
haftmann@24219
   668
              | pr_data definer (tyco, (vs, cos)) =
haftmann@24219
   669
                  concat (
haftmann@24219
   670
                    str definer
haftmann@24219
   671
                    :: pr_tycoexpr NOBR (tyco, map (ITyVar o fst) vs)
haftmann@24219
   672
                    :: str "="
haftmann@24219
   673
                    :: separate (str "|") (map pr_co cos)
haftmann@24219
   674
                  );
haftmann@24992
   675
            val (ps, p) = split_last
haftmann@24992
   676
              (pr_data "datatype" data :: map (pr_data "and") datas');
haftmann@24219
   677
          in Pretty.chunks (ps @ [Pretty.block ([p, str ";"])]) end
haftmann@27103
   678
     | pr_stmt (MLClass (class, (v, (superclasses, classparams)))) =
haftmann@24219
   679
          let
haftmann@24219
   680
            val w = first_upper v ^ "_";
haftmann@24219
   681
            fun pr_superclass_field (class, classrel) =
haftmann@24219
   682
              (concat o map str) [
haftmann@27103
   683
                pr_label_classrel classrel, ":", "'" ^ v, deresolve class
haftmann@24219
   684
              ];
haftmann@24841
   685
            fun pr_classparam_field (classparam, ty) =
haftmann@24219
   686
              concat [
haftmann@24841
   687
                (str o pr_label_classparam) classparam, str ":", pr_typ NOBR ty
haftmann@24219
   688
              ];
haftmann@24841
   689
            fun pr_classparam_proj (classparam, _) =
haftmann@24219
   690
              semicolon [
haftmann@24219
   691
                str "fun",
haftmann@27103
   692
                (str o deresolve) classparam,
haftmann@27103
   693
                Pretty.enclose "(" ")" [str (w ^ ":'" ^ v ^ " " ^ deresolve class)],
haftmann@24219
   694
                str "=",
haftmann@24841
   695
                str ("#" ^ pr_label_classparam classparam),
haftmann@24219
   696
                str w
haftmann@24219
   697
              ];
haftmann@24219
   698
            fun pr_superclass_proj (_, classrel) =
haftmann@24219
   699
              semicolon [
haftmann@24219
   700
                str "fun",
haftmann@27103
   701
                (str o deresolve) classrel,
haftmann@27103
   702
                Pretty.enclose "(" ")" [str (w ^ ":'" ^ v ^ " " ^ deresolve class)],
haftmann@24219
   703
                str "=",
haftmann@24219
   704
                str ("#" ^ pr_label_classrel classrel),
haftmann@24219
   705
                str w
haftmann@24219
   706
              ];
haftmann@24219
   707
          in
haftmann@24219
   708
            Pretty.chunks (
haftmann@24219
   709
              concat [
haftmann@24219
   710
                str ("type '" ^ v),
haftmann@27103
   711
                (str o deresolve) class,
haftmann@24219
   712
                str "=",
haftmann@24219
   713
                Pretty.enum "," "{" "};" (
haftmann@24841
   714
                  map pr_superclass_field superclasses @ map pr_classparam_field classparams
haftmann@24219
   715
                )
haftmann@24219
   716
              ]
haftmann@24219
   717
              :: map pr_superclass_proj superclasses
haftmann@24841
   718
              @ map pr_classparam_proj classparams
haftmann@24219
   719
            )
haftmann@24219
   720
          end
haftmann@27103
   721
     | pr_stmt (MLClassinst (inst, ((class, (tyco, arity)), (superarities, classparam_insts)))) =
haftmann@24219
   722
          let
haftmann@24219
   723
            fun pr_superclass (_, (classrel, dss)) =
haftmann@24219
   724
              concat [
haftmann@24219
   725
                (str o pr_label_classrel) classrel,
haftmann@24219
   726
                str "=",
haftmann@24219
   727
                pr_dicts NOBR [DictConst dss]
haftmann@24219
   728
              ];
haftmann@27304
   729
            fun pr_classparam ((classparam, c_inst), thm) =
haftmann@24591
   730
              concat [
haftmann@24841
   731
                (str o pr_label_classparam) classparam,
haftmann@24591
   732
                str "=",
haftmann@27304
   733
                pr_app thm false reserved_names NOBR (c_inst, [])
haftmann@24591
   734
              ];
haftmann@24219
   735
          in
haftmann@24219
   736
            semicolon ([
haftmann@24219
   737
              str (if null arity then "val" else "fun"),
haftmann@27103
   738
              (str o deresolve) inst ] @
haftmann@27103
   739
              pr_tyvar_dicts arity @ [
haftmann@24219
   740
              str "=",
haftmann@24992
   741
              Pretty.enum "," "{" "}"
haftmann@24992
   742
                (map pr_superclass superarities @ map pr_classparam classparam_insts),
haftmann@24219
   743
              str ":",
haftmann@24219
   744
              pr_tycoexpr NOBR (class, [tyco `%% map (ITyVar o fst) arity])
haftmann@24219
   745
            ])
haftmann@24219
   746
          end;
haftmann@27103
   747
  in pr_stmt end;
haftmann@24219
   748
haftmann@27103
   749
fun pr_sml_module name content =
haftmann@27103
   750
  Pretty.chunks (
haftmann@27103
   751
    str ("structure " ^ name ^ " = ")
haftmann@27103
   752
    :: str "struct"
haftmann@27103
   753
    :: str ""
haftmann@27103
   754
    :: content
haftmann@27103
   755
    @ str ""
haftmann@27103
   756
    @@ str ("end; (*struct " ^ name ^ "*)")
haftmann@27103
   757
  );
haftmann@24219
   758
haftmann@27103
   759
fun pr_ocaml_stmt syntax_tyco syntax_const labelled_name reserved_names deresolve is_cons =
haftmann@24219
   760
  let
haftmann@24219
   761
    fun pr_dicts fxy ds =
haftmann@24219
   762
      let
haftmann@24219
   763
        fun pr_dictvar (v, (_, 1)) = "_" ^ first_upper v
haftmann@24219
   764
          | pr_dictvar (v, (i, _)) = "_" ^ first_upper v ^ string_of_int (i+1);
haftmann@24219
   765
        fun pr_proj ps p =
haftmann@24219
   766
          fold_rev (fn p2 => fn p1 => Pretty.block [p1, str ".", str p2]) ps p
haftmann@27103
   767
        fun pr_dict fxy (DictConst (inst, dss)) =
haftmann@27103
   768
              brackify fxy ((str o deresolve) inst :: map (pr_dicts BR) dss)
haftmann@27103
   769
          | pr_dict fxy (DictVar (classrels, v)) =
haftmann@27103
   770
              pr_proj (map deresolve classrels) ((str o pr_dictvar) v)
haftmann@24219
   771
      in case ds
haftmann@24219
   772
       of [] => str "()"
haftmann@27103
   773
        | [d] => pr_dict fxy d
haftmann@27103
   774
        | _ :: _ => (Pretty.list "(" ")" o map (pr_dict NOBR)) ds
haftmann@24219
   775
      end;
haftmann@27103
   776
    fun pr_tyvar_dicts vs =
haftmann@24219
   777
      vs
haftmann@24992
   778
      |> map (fn (v, sort) => map_index (fn (i, _) =>
haftmann@24992
   779
           DictVar ([], (v, (i, length sort)))) sort)
haftmann@24219
   780
      |> map (pr_dicts BR);
haftmann@24219
   781
    fun pr_tycoexpr fxy (tyco, tys) =
haftmann@24219
   782
      let
haftmann@27103
   783
        val tyco' = (str o deresolve) tyco
haftmann@24219
   784
      in case map (pr_typ BR) tys
haftmann@24219
   785
       of [] => tyco'
haftmann@24219
   786
        | [p] => Pretty.block [p, Pretty.brk 1, tyco']
haftmann@24219
   787
        | (ps as _::_) => Pretty.block [Pretty.list "(" ")" ps, Pretty.brk 1, tyco']
haftmann@24219
   788
      end
haftmann@27304
   789
    and pr_typ fxy (tyco `%% tys) = (case syntax_tyco tyco
haftmann@27304
   790
         of NONE => pr_tycoexpr fxy (tyco, tys)
haftmann@27304
   791
          | SOME (i, pr) => pr pr_typ fxy tys)
haftmann@27304
   792
      | pr_typ fxy (ITyVar v) = str ("'" ^ v);
haftmann@27304
   793
    fun pr_term thm pat vars fxy (IConst c) =
haftmann@27304
   794
          pr_app thm pat vars fxy (c, [])
haftmann@27304
   795
      | pr_term thm pat vars fxy (IVar v) =
haftmann@24219
   796
          str (CodeName.lookup_var vars v)
haftmann@27304
   797
      | pr_term thm pat vars fxy (t as t1 `$ t2) =
haftmann@24219
   798
          (case CodeThingol.unfold_const_app t
haftmann@27304
   799
           of SOME c_ts => pr_app thm pat vars fxy c_ts
haftmann@24219
   800
            | NONE =>
haftmann@27304
   801
                brackify fxy [pr_term thm pat vars NOBR t1, pr_term thm pat vars BR t2])
haftmann@27304
   802
      | pr_term thm pat vars fxy (t as _ `|-> _) =
haftmann@24219
   803
          let
haftmann@24219
   804
            val (binds, t') = CodeThingol.unfold_abs t;
haftmann@27304
   805
            fun pr ((v, pat), ty) = pr_bind thm BR ((SOME v, pat), ty);
haftmann@24219
   806
            val (ps, vars') = fold_map pr binds vars;
haftmann@27304
   807
          in brackets (str "fun" :: ps @ str "->" @@ pr_term thm pat vars' NOBR t') end
haftmann@27304
   808
      | pr_term thm pat vars fxy (ICase (cases as (_, t0))) = (case CodeThingol.unfold_const_app t0
haftmann@27103
   809
           of SOME (c_ts as ((c, _), _)) => if is_none (syntax_const c)
haftmann@27304
   810
                then pr_case thm vars fxy cases
haftmann@27304
   811
                else pr_app thm pat vars fxy c_ts
haftmann@27304
   812
            | NONE => pr_case thm vars fxy cases)
haftmann@27304
   813
    and pr_app' thm pat vars (app as ((c, (iss, tys)), ts)) =
haftmann@24219
   814
      if is_cons c then
haftmann@24219
   815
        if length tys = length ts
haftmann@24219
   816
        then case ts
haftmann@27103
   817
         of [] => [(str o deresolve) c]
haftmann@27304
   818
          | [t] => [(str o deresolve) c, pr_term thm pat vars BR t]
haftmann@27103
   819
          | _ => [(str o deresolve) c, Pretty.enum "," "(" ")"
haftmann@27304
   820
                    (map (pr_term thm pat vars NOBR) ts)]
haftmann@27710
   821
        else [pr_term thm pat vars BR (CodeThingol.eta_expand (length tys) app)]
haftmann@27103
   822
      else (str o deresolve) c
haftmann@27304
   823
        :: ((map (pr_dicts BR) o filter_out null) iss @ map (pr_term thm pat vars BR) ts)
haftmann@27304
   824
    and pr_app thm pat vars = gen_pr_app pr_app' pr_term syntax_const is_cons thm pat vars
haftmann@24219
   825
    and pr_bind' ((NONE, NONE), _) = str "_"
haftmann@24219
   826
      | pr_bind' ((SOME v, NONE), _) = str v
haftmann@24219
   827
      | pr_bind' ((NONE, SOME p), _) = p
haftmann@24219
   828
      | pr_bind' ((SOME v, SOME p), _) = brackets [p, str "as", str v]
haftmann@27304
   829
    and pr_bind thm = gen_pr_bind pr_bind' pr_term thm
haftmann@27304
   830
    and pr_case thm vars fxy (cases as ((_, [_]), _)) =
haftmann@24219
   831
          let
haftmann@24219
   832
            val (binds, t') = CodeThingol.unfold_let (ICase cases);
haftmann@24219
   833
            fun pr ((pat, ty), t) vars =
haftmann@24219
   834
              vars
haftmann@27304
   835
              |> pr_bind thm NOBR ((NONE, SOME pat), ty)
haftmann@24992
   836
              |>> (fn p => concat
haftmann@27304
   837
                  [str "let", p, str "=", pr_term thm false vars NOBR t, str "in"])
haftmann@24219
   838
            val (ps, vars') = fold_map pr binds vars;
haftmann@27304
   839
          in Pretty.chunks (ps @| pr_term thm false vars' NOBR t') end
haftmann@27304
   840
      | pr_case thm vars fxy (((td, ty), b::bs), _) =
haftmann@24219
   841
          let
haftmann@24219
   842
            fun pr delim (pat, t) =
haftmann@24219
   843
              let
haftmann@27304
   844
                val (p, vars') = pr_bind thm NOBR ((NONE, SOME pat), ty) vars;
haftmann@27304
   845
              in concat [str delim, p, str "->", pr_term thm false vars' NOBR t] end;
haftmann@24219
   846
          in
haftmann@24219
   847
            (Pretty.enclose "(" ")" o single o brackify fxy) (
haftmann@24219
   848
              str "match"
haftmann@27304
   849
              :: pr_term thm false vars NOBR td
haftmann@24219
   850
              :: pr "with" b
haftmann@24219
   851
              :: map (pr "|") bs
haftmann@24219
   852
            )
haftmann@24219
   853
          end
haftmann@27304
   854
      | pr_case thm vars fxy ((_, []), _) = str "failwith \"empty case\"";
haftmann@27103
   855
    fun fish_params vars eqs =
haftmann@27103
   856
      let
haftmann@27103
   857
        fun fish_param _ (w as SOME _) = w
haftmann@27103
   858
          | fish_param (IVar v) NONE = SOME v
haftmann@27103
   859
          | fish_param _ NONE = NONE;
haftmann@27103
   860
        fun fillup_param _ (_, SOME v) = v
haftmann@27103
   861
          | fillup_param x (i, NONE) = x ^ string_of_int i;
haftmann@27103
   862
        val fished1 = fold (map2 fish_param) eqs (replicate (length (hd eqs)) NONE);
haftmann@27103
   863
        val x = Name.variant (map_filter I fished1) "x";
haftmann@27103
   864
        val fished2 = map_index (fillup_param x) fished1;
haftmann@27103
   865
        val (fished3, _) = Name.variants fished2 Name.context;
haftmann@27103
   866
        val vars' = CodeName.intro_vars fished3 vars;
haftmann@27103
   867
      in map (CodeName.lookup_var vars') fished3 end;
haftmann@27103
   868
    fun pr_stmt (MLFuns (funns as funn :: funns')) =
haftmann@24219
   869
          let
haftmann@27304
   870
            fun pr_eq ((ts, t), thm) =
haftmann@24219
   871
              let
haftmann@24219
   872
                val consts = map_filter
haftmann@27103
   873
                  (fn c => if (is_some o syntax_const) c
haftmann@27103
   874
                    then NONE else (SOME o NameSpace.base o deresolve) c)
haftmann@24219
   875
                    ((fold o CodeThingol.fold_constnames) (insert (op =)) (t :: ts) []);
haftmann@27103
   876
                val vars = reserved_names
haftmann@24219
   877
                  |> CodeName.intro_vars consts
haftmann@24219
   878
                  |> CodeName.intro_vars ((fold o CodeThingol.fold_unbound_varnames)
haftmann@24219
   879
                      (insert (op =)) ts []);
haftmann@24219
   880
              in concat [
haftmann@27304
   881
                (Pretty.block o Pretty.commas) (map (pr_term thm true vars NOBR) ts),
haftmann@24219
   882
                str "->",
haftmann@27304
   883
                pr_term thm false vars NOBR t
haftmann@24219
   884
              ] end;
haftmann@24841
   885
            fun pr_eqs name ty [] =
haftmann@24841
   886
                  let
haftmann@24841
   887
                    val n = (length o fst o CodeThingol.unfold_fun) ty;
haftmann@24992
   888
                    val exc_str =
haftmann@24992
   889
                      (ML_Syntax.print_string o NameSpace.base o NameSpace.qualifier) name;
haftmann@24841
   890
                  in
haftmann@24841
   891
                    concat (
haftmann@24841
   892
                      map str (replicate n "_")
haftmann@24841
   893
                      @ str "="
haftmann@24841
   894
                      :: str "failwith"
haftmann@24992
   895
                      @@ str exc_str
haftmann@24841
   896
                    )
haftmann@24841
   897
                  end
haftmann@27304
   898
              | pr_eqs _ _ [((ts, t), thm)] =
haftmann@24219
   899
                  let
haftmann@24219
   900
                    val consts = map_filter
haftmann@27103
   901
                      (fn c => if (is_some o syntax_const) c
haftmann@27103
   902
                        then NONE else (SOME o NameSpace.base o deresolve) c)
haftmann@24219
   903
                        ((fold o CodeThingol.fold_constnames) (insert (op =)) (t :: ts) []);
haftmann@27103
   904
                    val vars = reserved_names
haftmann@24219
   905
                      |> CodeName.intro_vars consts
haftmann@24219
   906
                      |> CodeName.intro_vars ((fold o CodeThingol.fold_unbound_varnames)
haftmann@24219
   907
                          (insert (op =)) ts []);
haftmann@24219
   908
                  in
haftmann@24219
   909
                    concat (
haftmann@27304
   910
                      map (pr_term thm true vars BR) ts
haftmann@24219
   911
                      @ str "="
haftmann@27304
   912
                      @@ pr_term thm false vars NOBR t
haftmann@24219
   913
                    )
haftmann@24219
   914
                  end
haftmann@27304
   915
              | pr_eqs _ _ (eqs as (eq as (([_], _), _)) :: eqs') =
haftmann@24219
   916
                  Pretty.block (
haftmann@24219
   917
                    str "="
haftmann@24219
   918
                    :: Pretty.brk 1
haftmann@24219
   919
                    :: str "function"
haftmann@24219
   920
                    :: Pretty.brk 1
haftmann@24219
   921
                    :: pr_eq eq
haftmann@24992
   922
                    :: maps (append [Pretty.fbrk, str "|", Pretty.brk 1]
haftmann@24992
   923
                          o single o pr_eq) eqs'
haftmann@24219
   924
                  )
haftmann@24841
   925
              | pr_eqs _ _ (eqs as eq :: eqs') =
haftmann@24219
   926
                  let
haftmann@24219
   927
                    val consts = map_filter
haftmann@27103
   928
                      (fn c => if (is_some o syntax_const) c
haftmann@27103
   929
                        then NONE else (SOME o NameSpace.base o deresolve) c)
haftmann@24992
   930
                        ((fold o CodeThingol.fold_constnames)
haftmann@27304
   931
                          (insert (op =)) (map (snd o fst) eqs) []);
haftmann@27103
   932
                    val vars = reserved_names
haftmann@24219
   933
                      |> CodeName.intro_vars consts;
haftmann@27304
   934
                    val dummy_parms = (map str o fish_params vars o map (fst o fst)) eqs;
haftmann@24219
   935
                  in
haftmann@24219
   936
                    Pretty.block (
haftmann@24219
   937
                      Pretty.breaks dummy_parms
haftmann@24219
   938
                      @ Pretty.brk 1
haftmann@24219
   939
                      :: str "="
haftmann@24219
   940
                      :: Pretty.brk 1
haftmann@24219
   941
                      :: str "match"
haftmann@24219
   942
                      :: Pretty.brk 1
haftmann@24219
   943
                      :: (Pretty.block o Pretty.commas) dummy_parms
haftmann@24219
   944
                      :: Pretty.brk 1
haftmann@24219
   945
                      :: str "with"
haftmann@24219
   946
                      :: Pretty.brk 1
haftmann@24219
   947
                      :: pr_eq eq
haftmann@24992
   948
                      :: maps (append [Pretty.fbrk, str "|", Pretty.brk 1]
haftmann@24992
   949
                           o single o pr_eq) eqs'
haftmann@24219
   950
                    )
haftmann@24219
   951
                  end;
haftmann@24381
   952
            fun pr_funn definer (name, ((vs, ty), eqs)) =
haftmann@24219
   953
              concat (
haftmann@24219
   954
                str definer
haftmann@27103
   955
                :: (str o deresolve) name
haftmann@27103
   956
                :: pr_tyvar_dicts (filter_out (null o snd) vs)
haftmann@24841
   957
                @| pr_eqs name ty eqs
haftmann@24219
   958
              );
haftmann@24992
   959
            val (ps, p) = split_last
haftmann@24992
   960
              (pr_funn "let rec" funn :: map (pr_funn "and") funns');
haftmann@24219
   961
          in Pretty.chunks (ps @ [Pretty.block ([p, str ";;"])]) end
haftmann@27103
   962
     | pr_stmt (MLDatas (datas as (data :: datas'))) =
haftmann@24219
   963
          let
haftmann@24219
   964
            fun pr_co (co, []) =
haftmann@27103
   965
                  str (deresolve co)
haftmann@24219
   966
              | pr_co (co, tys) =
haftmann@24219
   967
                  concat [
haftmann@27103
   968
                    str (deresolve co),
haftmann@24219
   969
                    str "of",
haftmann@24219
   970
                    Pretty.enum " *" "" "" (map (pr_typ (INFX (2, X))) tys)
haftmann@24219
   971
                  ];
haftmann@24219
   972
            fun pr_data definer (tyco, (vs, [])) =
haftmann@24219
   973
                  concat (
haftmann@24219
   974
                    str definer
haftmann@24219
   975
                    :: pr_tycoexpr NOBR (tyco, map (ITyVar o fst) vs)
haftmann@24219
   976
                    :: str "="
haftmann@24219
   977
                    @@ str "EMPTY_"
haftmann@24219
   978
                  )
haftmann@24219
   979
              | pr_data definer (tyco, (vs, cos)) =
haftmann@24219
   980
                  concat (
haftmann@24219
   981
                    str definer
haftmann@24219
   982
                    :: pr_tycoexpr NOBR (tyco, map (ITyVar o fst) vs)
haftmann@24219
   983
                    :: str "="
haftmann@24219
   984
                    :: separate (str "|") (map pr_co cos)
haftmann@24219
   985
                  );
haftmann@24992
   986
            val (ps, p) = split_last
haftmann@24992
   987
              (pr_data "type" data :: map (pr_data "and") datas');
haftmann@24219
   988
          in Pretty.chunks (ps @ [Pretty.block ([p, str ";;"])]) end
haftmann@27103
   989
     | pr_stmt (MLClass (class, (v, (superclasses, classparams)))) =
haftmann@24219
   990
          let
haftmann@24219
   991
            val w = "_" ^ first_upper v;
haftmann@24219
   992
            fun pr_superclass_field (class, classrel) =
haftmann@24219
   993
              (concat o map str) [
haftmann@27103
   994
                deresolve classrel, ":", "'" ^ v, deresolve class
haftmann@24219
   995
              ];
haftmann@24841
   996
            fun pr_classparam_field (classparam, ty) =
haftmann@24219
   997
              concat [
haftmann@27103
   998
                (str o deresolve) classparam, str ":", pr_typ NOBR ty
haftmann@24219
   999
              ];
haftmann@24841
  1000
            fun pr_classparam_proj (classparam, _) =
haftmann@24219
  1001
              concat [
haftmann@24219
  1002
                str "let",
haftmann@27103
  1003
                (str o deresolve) classparam,
haftmann@24219
  1004
                str w,
haftmann@24219
  1005
                str "=",
haftmann@27103
  1006
                str (w ^ "." ^ deresolve classparam ^ ";;")
haftmann@24219
  1007
              ];
haftmann@24219
  1008
          in Pretty.chunks (
haftmann@24219
  1009
            concat [
haftmann@24219
  1010
              str ("type '" ^ v),
haftmann@27103
  1011
              (str o deresolve) class,
haftmann@24219
  1012
              str "=",
haftmann@25771
  1013
              enum_default "();;" ";" "{" "};;" (
haftmann@24992
  1014
                map pr_superclass_field superclasses
haftmann@24992
  1015
                @ map pr_classparam_field classparams
haftmann@24219
  1016
              )
haftmann@24219
  1017
            ]
haftmann@24841
  1018
            :: map pr_classparam_proj classparams
haftmann@24219
  1019
          ) end
haftmann@27103
  1020
     | pr_stmt (MLClassinst (inst, ((class, (tyco, arity)), (superarities, classparam_insts)))) =
haftmann@24219
  1021
          let
haftmann@24219
  1022
            fun pr_superclass (_, (classrel, dss)) =
haftmann@24219
  1023
              concat [
haftmann@27103
  1024
                (str o deresolve) classrel,
haftmann@24219
  1025
                str "=",
haftmann@24219
  1026
                pr_dicts NOBR [DictConst dss]
haftmann@24219
  1027
              ];
haftmann@27304
  1028
            fun pr_classparam_inst ((classparam, c_inst), thm) =
haftmann@24591
  1029
              concat [
haftmann@27103
  1030
                (str o deresolve) classparam,
haftmann@24591
  1031
                str "=",
haftmann@27304
  1032
                pr_app thm false reserved_names NOBR (c_inst, [])
haftmann@24591
  1033
              ];
haftmann@24219
  1034
          in
haftmann@24219
  1035
            concat (
haftmann@24219
  1036
              str "let"
haftmann@27103
  1037
              :: (str o deresolve) inst
haftmann@27103
  1038
              :: pr_tyvar_dicts arity
haftmann@24219
  1039
              @ str "="
haftmann@24219
  1040
              @@ (Pretty.enclose "(" ");;" o Pretty.breaks) [
haftmann@25771
  1041
                enum_default "()" ";" "{" "}" (map pr_superclass superarities
haftmann@24992
  1042
                  @ map pr_classparam_inst classparam_insts),
haftmann@24219
  1043
                str ":",
haftmann@24219
  1044
                pr_tycoexpr NOBR (class, [tyco `%% map (ITyVar o fst) arity])
haftmann@24219
  1045
              ]
haftmann@24219
  1046
            )
haftmann@24219
  1047
          end;
haftmann@27103
  1048
  in pr_stmt end;
haftmann@27103
  1049
haftmann@27103
  1050
fun pr_ocaml_module name content =
haftmann@27103
  1051
  Pretty.chunks (
haftmann@27103
  1052
    str ("module " ^ name ^ " = ")
haftmann@27103
  1053
    :: str "struct"
haftmann@27103
  1054
    :: str ""
haftmann@27103
  1055
    :: content
haftmann@27103
  1056
    @ str ""
haftmann@27103
  1057
    @@ str ("end;; (*struct " ^ name ^ "*)")
haftmann@27103
  1058
  );
haftmann@24219
  1059
haftmann@27103
  1060
local
haftmann@27103
  1061
haftmann@27103
  1062
datatype ml_node =
haftmann@27103
  1063
    Dummy of string
haftmann@27103
  1064
  | Stmt of string * ml_stmt
haftmann@27103
  1065
  | Module of string * ((Name.context * Name.context) * ml_node Graph.T);
haftmann@24219
  1066
haftmann@27103
  1067
in
haftmann@27103
  1068
haftmann@27103
  1069
fun ml_node_of_program labelled_name module_name reserved_names raw_module_alias program =
haftmann@24219
  1070
  let
haftmann@27103
  1071
    val module_alias = if is_some module_name then K module_name else raw_module_alias;
haftmann@27103
  1072
    val reserved_names = Name.make_context reserved_names;
haftmann@27103
  1073
    val empty_module = ((reserved_names, reserved_names), Graph.empty);
haftmann@24219
  1074
    fun map_node [] f = f
haftmann@24219
  1075
      | map_node (m::ms) f =
haftmann@27103
  1076
          Graph.default_node (m, Module (m, empty_module))
haftmann@27103
  1077
          #> Graph.map_node m (fn (Module (module_name, (nsp, nodes))) =>
haftmann@27103
  1078
               Module (module_name, (nsp, map_node ms f nodes)));
haftmann@24219
  1079
    fun map_nsp_yield [] f (nsp, nodes) =
haftmann@24219
  1080
          let
haftmann@24219
  1081
            val (x, nsp') = f nsp
haftmann@24219
  1082
          in (x, (nsp', nodes)) end
haftmann@24219
  1083
      | map_nsp_yield (m::ms) f (nsp, nodes) =
haftmann@24219
  1084
          let
haftmann@24219
  1085
            val (x, nodes') =
haftmann@24219
  1086
              nodes
haftmann@27103
  1087
              |> Graph.default_node (m, Module (m, empty_module))
haftmann@27103
  1088
              |> Graph.map_node_yield m (fn Module (d_module_name, nsp_nodes) => 
haftmann@24219
  1089
                  let
haftmann@24219
  1090
                    val (x, nsp_nodes') = map_nsp_yield ms f nsp_nodes
haftmann@27103
  1091
                  in (x, Module (d_module_name, nsp_nodes')) end)
haftmann@24219
  1092
          in (x, (nsp, nodes')) end;
haftmann@27103
  1093
    fun map_nsp_fun_yield f (nsp_fun, nsp_typ) =
haftmann@27103
  1094
      let
haftmann@27103
  1095
        val (x, nsp_fun') = f nsp_fun
haftmann@27103
  1096
      in (x, (nsp_fun', nsp_typ)) end;
haftmann@27103
  1097
    fun map_nsp_typ_yield f (nsp_fun, nsp_typ) =
haftmann@27103
  1098
      let
haftmann@27103
  1099
        val (x, nsp_typ') = f nsp_typ
haftmann@27103
  1100
      in (x, (nsp_fun, nsp_typ')) end;
haftmann@27103
  1101
    val mk_name_module = mk_name_module reserved_names NONE module_alias program;
haftmann@27103
  1102
    fun mk_name_stmt upper name nsp =
haftmann@24219
  1103
      let
haftmann@24219
  1104
        val (_, base) = dest_name name;
haftmann@24219
  1105
        val base' = if upper then first_upper base else base;
haftmann@24219
  1106
        val ([base''], nsp') = Name.variants [base'] nsp;
haftmann@24219
  1107
      in (base'', nsp') end;
haftmann@27103
  1108
    fun add_funs stmts =
haftmann@24219
  1109
      fold_map
haftmann@27103
  1110
        (fn (name, CodeThingol.Fun stmt) =>
haftmann@27103
  1111
              map_nsp_fun_yield (mk_name_stmt false name) #>>
haftmann@27304
  1112
                rpair (name, stmt)
haftmann@27103
  1113
          | (name, _) =>
haftmann@27024
  1114
              error ("Function block containing illegal statement: " ^ labelled_name name)
haftmann@27103
  1115
        ) stmts
haftmann@27103
  1116
      #>> (split_list #> apsnd MLFuns);
haftmann@27103
  1117
    fun add_datatypes stmts =
haftmann@24219
  1118
      fold_map
haftmann@27103
  1119
        (fn (name, CodeThingol.Datatype stmt) =>
haftmann@27103
  1120
              map_nsp_typ_yield (mk_name_stmt false name) #>> rpair (SOME (name, stmt))
haftmann@24219
  1121
          | (name, CodeThingol.Datatypecons _) =>
haftmann@27103
  1122
              map_nsp_fun_yield (mk_name_stmt true name) #>> rpair NONE
haftmann@27103
  1123
          | (name, _) =>
haftmann@27024
  1124
              error ("Datatype block containing illegal statement: " ^ labelled_name name)
haftmann@27103
  1125
        ) stmts
haftmann@27103
  1126
      #>> (split_list #> apsnd (map_filter I
haftmann@27024
  1127
        #> (fn [] => error ("Datatype block without data statement: "
haftmann@27103
  1128
                  ^ (commas o map (labelled_name o fst)) stmts)
haftmann@27103
  1129
             | stmts => MLDatas stmts)));
haftmann@27103
  1130
    fun add_class stmts =
haftmann@24219
  1131
      fold_map
haftmann@24219
  1132
        (fn (name, CodeThingol.Class info) =>
haftmann@27103
  1133
              map_nsp_typ_yield (mk_name_stmt false name) #>> rpair (SOME (name, info))
haftmann@24219
  1134
          | (name, CodeThingol.Classrel _) =>
haftmann@27103
  1135
              map_nsp_fun_yield (mk_name_stmt false name) #>> rpair NONE
haftmann@24841
  1136
          | (name, CodeThingol.Classparam _) =>
haftmann@27103
  1137
              map_nsp_fun_yield (mk_name_stmt false name) #>> rpair NONE
haftmann@27103
  1138
          | (name, _) =>
haftmann@27024
  1139
              error ("Class block containing illegal statement: " ^ labelled_name name)
haftmann@27103
  1140
        ) stmts
haftmann@27103
  1141
      #>> (split_list #> apsnd (map_filter I
haftmann@27024
  1142
        #> (fn [] => error ("Class block without class statement: "
haftmann@27103
  1143
                  ^ (commas o map (labelled_name o fst)) stmts)
haftmann@27103
  1144
             | [stmt] => MLClass stmt)));
haftmann@27103
  1145
    fun add_inst [(name, CodeThingol.Classinst stmt)] =
haftmann@27103
  1146
      map_nsp_fun_yield (mk_name_stmt false name)
haftmann@27304
  1147
      #>> (fn base => ([base], MLClassinst (name, stmt)));
haftmann@27103
  1148
    fun add_stmts ((stmts as (_, CodeThingol.Fun _)::_)) =
haftmann@27103
  1149
          add_funs stmts
haftmann@27103
  1150
      | add_stmts ((stmts as (_, CodeThingol.Datatypecons _)::_)) =
haftmann@27103
  1151
          add_datatypes stmts
haftmann@27103
  1152
      | add_stmts ((stmts as (_, CodeThingol.Datatype _)::_)) =
haftmann@27103
  1153
          add_datatypes stmts
haftmann@27103
  1154
      | add_stmts ((stmts as (_, CodeThingol.Class _)::_)) =
haftmann@27103
  1155
          add_class stmts
haftmann@27103
  1156
      | add_stmts ((stmts as (_, CodeThingol.Classrel _)::_)) =
haftmann@27103
  1157
          add_class stmts
haftmann@27103
  1158
      | add_stmts ((stmts as (_, CodeThingol.Classparam _)::_)) =
haftmann@27103
  1159
          add_class stmts
haftmann@27103
  1160
      | add_stmts ((stmts as [(_, CodeThingol.Classinst _)])) =
haftmann@27103
  1161
          add_inst stmts
haftmann@27103
  1162
      | add_stmts stmts = error ("Illegal mutual dependencies: " ^
haftmann@27103
  1163
          (commas o map (labelled_name o fst)) stmts);
haftmann@27103
  1164
    fun add_stmts' stmts nsp_nodes =
haftmann@24219
  1165
      let
haftmann@27103
  1166
        val names as (name :: names') = map fst stmts;
haftmann@24219
  1167
        val deps =
haftmann@24219
  1168
          []
haftmann@27103
  1169
          |> fold (fold (insert (op =)) o Graph.imm_succs program) names
haftmann@24219
  1170
          |> subtract (op =) names;
haftmann@27103
  1171
        val (module_names, _) = (split_list o map dest_name) names;
haftmann@27103
  1172
        val module_name = (the_single o distinct (op =) o map mk_name_module) module_names
haftmann@24219
  1173
          handle Empty =>
haftmann@24811
  1174
            error ("Different namespace prefixes for mutual dependencies:\n"
haftmann@24811
  1175
              ^ commas (map labelled_name names)
haftmann@24811
  1176
              ^ "\n"
haftmann@27103
  1177
              ^ commas module_names);
haftmann@27103
  1178
        val module_name_path = NameSpace.explode module_name;
haftmann@27103
  1179
        fun add_dep name name' =
haftmann@24219
  1180
          let
haftmann@27103
  1181
            val module_name' = (mk_name_module o fst o dest_name) name';
haftmann@27103
  1182
          in if module_name = module_name' then
haftmann@27103
  1183
            map_node module_name_path (Graph.add_edge (name, name'))
haftmann@24219
  1184
          else let
haftmann@24219
  1185
            val (common, (diff1::_, diff2::_)) = chop_prefix (op =)
haftmann@27103
  1186
              (module_name_path, NameSpace.explode module_name');
haftmann@24219
  1187
          in
haftmann@24219
  1188
            map_node common
haftmann@27103
  1189
              (fn node => Graph.add_edge_acyclic (diff1, diff2) node
haftmann@24219
  1190
                handle Graph.CYCLES _ => error ("Dependency "
haftmann@27103
  1191
                  ^ quote name ^ " -> " ^ quote name'
haftmann@24219
  1192
                  ^ " would result in module dependency cycle"))
haftmann@24219
  1193
          end end;
haftmann@24219
  1194
      in
haftmann@24219
  1195
        nsp_nodes
haftmann@27103
  1196
        |> map_nsp_yield module_name_path (add_stmts stmts)
haftmann@27103
  1197
        |-> (fn (base' :: bases', stmt') =>
haftmann@27103
  1198
           apsnd (map_node module_name_path (Graph.new_node (name, (Stmt (base', stmt')))
haftmann@24992
  1199
              #> fold2 (fn name' => fn base' =>
haftmann@27103
  1200
                   Graph.new_node (name', (Dummy base'))) names' bases')))
haftmann@24219
  1201
        |> apsnd (fold (fn name => fold (add_dep name) deps) names)
haftmann@27103
  1202
        |> apsnd (fold_product (curry (map_node module_name_path o Graph.add_edge)) names names)
haftmann@24219
  1203
      end;
haftmann@27103
  1204
    val (_, nodes) = empty_module
haftmann@27103
  1205
      |> fold add_stmts' (map (AList.make (Graph.get_node program))
haftmann@27103
  1206
          (rev (Graph.strong_conn program)));
haftmann@24219
  1207
    fun deresolver prefix name = 
haftmann@24219
  1208
      let
haftmann@27103
  1209
        val module_name = (fst o dest_name) name;
haftmann@27103
  1210
        val module_name' = (NameSpace.explode o mk_name_module) module_name;
haftmann@27103
  1211
        val (_, (_, remainder)) = chop_prefix (op =) (prefix, module_name');
haftmann@27103
  1212
        val stmt_name =
haftmann@24219
  1213
          nodes
haftmann@27103
  1214
          |> fold (fn name => fn node => case Graph.get_node node name
haftmann@27103
  1215
              of Module (_, (_, node)) => node) module_name'
haftmann@27103
  1216
          |> (fn node => case Graph.get_node node name of Stmt (stmt_name, _) => stmt_name
haftmann@27103
  1217
               | Dummy stmt_name => stmt_name);
haftmann@24219
  1218
      in
haftmann@27103
  1219
        NameSpace.implode (remainder @ [stmt_name])
haftmann@24219
  1220
      end handle Graph.UNDEF _ =>
haftmann@27024
  1221
        error ("Unknown statement name: " ^ labelled_name name);
haftmann@27103
  1222
  in (deresolver, nodes) end;
haftmann@27103
  1223
haftmann@27436
  1224
fun serialize_ml compile pr_module pr_stmt raw_module_name labelled_name reserved_names includes raw_module_alias
haftmann@27103
  1225
  _ syntax_tyco syntax_const program cs destination =
haftmann@27103
  1226
  let
haftmann@27103
  1227
    val is_cons = CodeThingol.is_cons program;
haftmann@27304
  1228
    val stmt_names = stmt_names_of_destination destination;
haftmann@27304
  1229
    val module_name = if null stmt_names then raw_module_name else SOME "Code";
haftmann@27103
  1230
    val (deresolver, nodes) = ml_node_of_program labelled_name module_name
haftmann@27103
  1231
      reserved_names raw_module_alias program;
haftmann@27103
  1232
    val reserved_names = CodeName.make_vars reserved_names;
haftmann@27103
  1233
    fun pr_node prefix (Dummy _) =
haftmann@24219
  1234
          NONE
haftmann@27304
  1235
      | pr_node prefix (Stmt (_, stmt)) = if null stmt_names orelse
haftmann@27304
  1236
          (not o null o filter (member (op =) stmt_names) o stmt_names_of) stmt then SOME
haftmann@27304
  1237
            (pr_stmt syntax_tyco syntax_const labelled_name reserved_names
haftmann@27304
  1238
              (deresolver prefix) is_cons stmt)
haftmann@27304
  1239
          else NONE
haftmann@27103
  1240
      | pr_node prefix (Module (module_name, (_, nodes))) =
haftmann@27304
  1241
          let
haftmann@27304
  1242
            val ps = separate (str "")
haftmann@27304
  1243
              ((map_filter (pr_node (prefix @ [module_name]) o Graph.get_node nodes)
haftmann@27304
  1244
                o rev o flat o Graph.strong_conn) nodes)
haftmann@27304
  1245
          in SOME (case destination of String _ => Pretty.chunks ps
haftmann@27304
  1246
           | _ => pr_module module_name ps)
haftmann@27304
  1247
          end;
haftmann@27103
  1248
    val cs' = map_filter (try (deresolver (if is_some module_name then the_list module_name else [])))
haftmann@27103
  1249
      cs;
haftmann@24992
  1250
    val p = Pretty.chunks (separate (str "") (map snd includes @ (map_filter
haftmann@26113
  1251
      (pr_node [] o Graph.get_node nodes) o rev o flat o Graph.strong_conn) nodes));
haftmann@27103
  1252
    fun output Compile = K NONE o compile o code_of_pretty
haftmann@27304
  1253
      | output Export = K NONE o code_writeln
haftmann@27103
  1254
      | output (File file) = K NONE o File.write file o code_of_pretty
haftmann@27436
  1255
      | output (String _) = SOME o rpair cs' o code_of_pretty;
haftmann@27436
  1256
  in output destination p end;
haftmann@27103
  1257
haftmann@27103
  1258
end; (*local*)
haftmann@24219
  1259
haftmann@27436
  1260
(* ML (system language) code for evaluation and instrumentalization *)
haftmann@27436
  1261
haftmann@27436
  1262
fun ml_code_of thy program cs = mount_serializer thy
haftmann@27436
  1263
  (SOME (fn _ => fn [] => serialize_ml (K ()) (K Pretty.chunks) pr_sml_stmt (SOME "")))
haftmann@27436
  1264
    target_SML NONE [] program cs (String [])
haftmann@27436
  1265
  |> the;
haftmann@27436
  1266
haftmann@27436
  1267
(* generic entry points for SML/OCaml *)
haftmann@27436
  1268
haftmann@27103
  1269
fun isar_seri_sml module_name =
haftmann@27000
  1270
  parse_args (Scan.succeed ())
haftmann@27103
  1271
  #> (fn () => serialize_ml (use_text (1, "generated code") Output.ml_output false)
haftmann@27436
  1272
      pr_sml_module pr_sml_stmt module_name);
haftmann@26113
  1273
haftmann@27103
  1274
fun isar_seri_ocaml module_name =
haftmann@27000
  1275
  parse_args (Scan.succeed ())
haftmann@27103
  1276
  #> (fn () => serialize_ml (fn _ => error "OCaml: no internal compilation")
haftmann@27436
  1277
      pr_ocaml_module pr_ocaml_stmt module_name);
haftmann@24219
  1278
haftmann@24219
  1279
haftmann@24219
  1280
(** Haskell serializer **)
haftmann@24219
  1281
haftmann@27304
  1282
fun pr_haskell_bind pr_term =
haftmann@27103
  1283
  let
haftmann@27103
  1284
    fun pr_bind ((NONE, NONE), _) = str "_"
haftmann@27103
  1285
      | pr_bind ((SOME v, NONE), _) = str v
haftmann@27103
  1286
      | pr_bind ((NONE, SOME p), _) = p
haftmann@27103
  1287
      | pr_bind ((SOME v, SOME p), _) = brackets [str v, str "@", p];
haftmann@27304
  1288
  in gen_pr_bind pr_bind pr_term end;
haftmann@24219
  1289
haftmann@27103
  1290
fun pr_haskell_stmt syntax_class syntax_tyco syntax_const labelled_name
haftmann@27103
  1291
    init_syms deresolve is_cons contr_classparam_typs deriving_show =
haftmann@24219
  1292
  let
haftmann@27103
  1293
    val deresolve_base = NameSpace.base o deresolve;
haftmann@27103
  1294
    fun class_name class = case syntax_class class
haftmann@27103
  1295
     of NONE => deresolve class
haftmann@24219
  1296
      | SOME (class, _) => class;
haftmann@27103
  1297
    fun classparam_name class classparam = case syntax_class class
haftmann@27103
  1298
     of NONE => deresolve_base classparam
haftmann@24841
  1299
      | SOME (_, classparam_syntax) => case classparam_syntax classparam
haftmann@24841
  1300
         of NONE => (snd o dest_name) classparam
haftmann@25621
  1301
          | SOME classparam => classparam;
haftmann@25621
  1302
    fun pr_typcontext tyvars vs = case maps (fn (v, sort) => map (pair v) sort) vs
haftmann@25621
  1303
     of [] => []
haftmann@25621
  1304
      | classbinds => Pretty.enum "," "(" ")" (
haftmann@25621
  1305
          map (fn (v, class) =>
haftmann@25621
  1306
            str (class_name class ^ " " ^ CodeName.lookup_var tyvars v)) classbinds)
haftmann@25621
  1307
          @@ str " => ";
haftmann@25621
  1308
    fun pr_typforall tyvars vs = case map fst vs
haftmann@25621
  1309
     of [] => []
haftmann@25621
  1310
      | vnames => str "forall " :: Pretty.breaks
haftmann@25621
  1311
          (map (str o CodeName.lookup_var tyvars) vnames) @ str "." @@ Pretty.brk 1;
haftmann@24219
  1312
    fun pr_tycoexpr tyvars fxy (tyco, tys) =
haftmann@24219
  1313
      brackify fxy (str tyco :: map (pr_typ tyvars BR) tys)
haftmann@27304
  1314
    and pr_typ tyvars fxy (tycoexpr as tyco `%% tys) = (case syntax_tyco tyco
haftmann@27304
  1315
         of NONE => pr_tycoexpr tyvars fxy (deresolve tyco, tys)
haftmann@27304
  1316
          | SOME (i, pr) => pr (pr_typ tyvars) fxy tys)
haftmann@27304
  1317
      | pr_typ tyvars fxy (ITyVar v) = (str o CodeName.lookup_var tyvars) v;
haftmann@25621
  1318
    fun pr_typdecl tyvars (vs, tycoexpr) =
haftmann@25621
  1319
      Pretty.block (pr_typcontext tyvars vs @| pr_tycoexpr tyvars NOBR tycoexpr);
haftmann@24219
  1320
    fun pr_typscheme tyvars (vs, ty) =
haftmann@25621
  1321
      Pretty.block (pr_typforall tyvars vs @ pr_typcontext tyvars vs @| pr_typ tyvars NOBR ty);
haftmann@27304
  1322
    fun pr_term tyvars thm pat vars fxy (IConst c) =
haftmann@27304
  1323
          pr_app tyvars thm pat vars fxy (c, [])
haftmann@27304
  1324
      | pr_term tyvars thm pat vars fxy (t as (t1 `$ t2)) =
haftmann@24219
  1325
          (case CodeThingol.unfold_const_app t
haftmann@27304
  1326
           of SOME app => pr_app tyvars thm pat vars fxy app
haftmann@24219
  1327
            | _ =>
haftmann@24219
  1328
                brackify fxy [
haftmann@27304
  1329
                  pr_term tyvars thm pat vars NOBR t1,
haftmann@27304
  1330
                  pr_term tyvars thm pat vars BR t2
haftmann@24219
  1331
                ])
haftmann@27304
  1332
      | pr_term tyvars thm pat vars fxy (IVar v) =
haftmann@24219
  1333
          (str o CodeName.lookup_var vars) v
haftmann@27304
  1334
      | pr_term tyvars thm pat vars fxy (t as _ `|-> _) =
haftmann@24219
  1335
          let
haftmann@24219
  1336
            val (binds, t') = CodeThingol.unfold_abs t;
haftmann@27304
  1337
            fun pr ((v, pat), ty) = pr_bind tyvars thm BR ((SOME v, pat), ty);
haftmann@24219
  1338
            val (ps, vars') = fold_map pr binds vars;
haftmann@27304
  1339
          in brackets (str "\\" :: ps @ str "->" @@ pr_term tyvars thm pat vars' NOBR t') end
haftmann@27304
  1340
      | pr_term tyvars thm pat vars fxy (ICase (cases as (_, t0))) =
haftmann@24992
  1341
          (case CodeThingol.unfold_const_app t0
haftmann@27103
  1342
           of SOME (c_ts as ((c, _), _)) => if is_none (syntax_const c)
haftmann@27304
  1343
                then pr_case tyvars thm vars fxy cases
haftmann@27304
  1344
                else pr_app tyvars thm pat vars fxy c_ts
haftmann@27304
  1345
            | NONE => pr_case tyvars thm vars fxy cases)
haftmann@27304
  1346
    and pr_app' tyvars thm pat vars ((c, (_, tys)), ts) = case contr_classparam_typs c
haftmann@27304
  1347
     of [] => (str o deresolve) c :: map (pr_term tyvars thm pat vars BR) ts
haftmann@25621
  1348
      | fingerprint => let
haftmann@25621
  1349
          val ts_fingerprint = ts ~~ curry Library.take (length ts) fingerprint;
haftmann@25621
  1350
          val needs_annotation = forall (fn (_, NONE) => true | (t, SOME _) =>
haftmann@25621
  1351
            (not o CodeThingol.locally_monomorphic) t) ts_fingerprint;
haftmann@27304
  1352
          fun pr_term_anno (t, NONE) _ = pr_term tyvars thm pat vars BR t
haftmann@25621
  1353
            | pr_term_anno (t, SOME _) ty =
haftmann@27304
  1354
                brackets [pr_term tyvars thm pat vars NOBR t, str "::", pr_typ tyvars NOBR ty];
haftmann@25621
  1355
        in
haftmann@25621
  1356
          if needs_annotation then
haftmann@27103
  1357
            (str o deresolve) c :: map2 pr_term_anno ts_fingerprint (curry Library.take (length ts) tys)
haftmann@27304
  1358
          else (str o deresolve) c :: map (pr_term tyvars thm pat vars BR) ts
haftmann@25621
  1359
        end
haftmann@27304
  1360
    and pr_app tyvars = gen_pr_app (pr_app' tyvars) (pr_term tyvars) syntax_const is_cons
haftmann@27103
  1361
    and pr_bind tyvars = pr_haskell_bind (pr_term tyvars)
haftmann@27304
  1362
    and pr_case tyvars thm vars fxy (cases as ((_, [_]), _)) =
haftmann@24219
  1363
          let
haftmann@24219
  1364
            val (binds, t) = CodeThingol.unfold_let (ICase cases);
haftmann@24219
  1365
            fun pr ((pat, ty), t) vars =
haftmann@24219
  1366
              vars
haftmann@27304
  1367
              |> pr_bind tyvars thm BR ((NONE, SOME pat), ty)
haftmann@27304
  1368
              |>> (fn p => semicolon [p, str "=", pr_term tyvars thm false vars NOBR t])
haftmann@24219
  1369
            val (ps, vars') = fold_map pr binds vars;
haftmann@24219
  1370
          in
haftmann@24219
  1371
            Pretty.block_enclose (
haftmann@24219
  1372
              str "let {",
haftmann@27304
  1373
              concat [str "}", str "in", pr_term tyvars thm false vars' NOBR t]
haftmann@24219
  1374
            ) ps
haftmann@24219
  1375
          end
haftmann@27304
  1376
      | pr_case tyvars thm vars fxy (((td, ty), bs as _ :: _), _) =
haftmann@24219
  1377
          let
haftmann@24219
  1378
            fun pr (pat, t) =
haftmann@24219
  1379
              let
haftmann@27304
  1380
                val (p, vars') = pr_bind tyvars thm NOBR ((NONE, SOME pat), ty) vars;
haftmann@27304
  1381
              in semicolon [p, str "->", pr_term tyvars thm false vars' NOBR t] end;
haftmann@24219
  1382
          in
haftmann@24219
  1383
            Pretty.block_enclose (
haftmann@27304
  1384
              concat [str "(case", pr_term tyvars thm false vars NOBR td, str "of", str "{"],
haftmann@24219
  1385
              str "})"
haftmann@24219
  1386
            ) (map pr bs)
haftmann@24219
  1387
          end
haftmann@27304
  1388
      | pr_case tyvars thm vars fxy ((_, []), _) = str "error \"empty case\"";
haftmann@27103
  1389
    fun pr_stmt (name, CodeThingol.Fun ((vs, ty), [])) =
haftmann@24841
  1390
          let
haftmann@24841
  1391
            val tyvars = CodeName.intro_vars (map fst vs) init_syms;
haftmann@24841
  1392
            val n = (length o fst o CodeThingol.unfold_fun) ty;
haftmann@24841
  1393
          in
haftmann@24841
  1394
            Pretty.chunks [
haftmann@24841
  1395
              Pretty.block [
haftmann@27103
  1396
                (str o suffix " ::" o deresolve_base) name,
haftmann@24841
  1397
                Pretty.brk 1,
haftmann@24841
  1398
                pr_typscheme tyvars (vs, ty),
haftmann@24841
  1399
                str ";"
haftmann@24841
  1400
              ],
haftmann@24841
  1401
              concat (
haftmann@27103
  1402
                (str o deresolve_base) name
haftmann@24841
  1403
                :: map str (replicate n "_")
haftmann@24841
  1404
                @ str "="
haftmann@24841
  1405
                :: str "error"
haftmann@24992
  1406
                @@ (str o (fn s => s ^ ";") o ML_Syntax.print_string
haftmann@24992
  1407
                    o NameSpace.base o NameSpace.qualifier) name
haftmann@24841
  1408
              )
haftmann@24841
  1409
            ]
haftmann@24841
  1410
          end
haftmann@27103
  1411
      | pr_stmt (name, CodeThingol.Fun ((vs, ty), eqs)) =
haftmann@24219
  1412
          let
haftmann@24219
  1413
            val tyvars = CodeName.intro_vars (map fst vs) init_syms;
haftmann@27304
  1414
            fun pr_eq ((ts, t), thm) =
haftmann@24219
  1415
              let
haftmann@24219
  1416
                val consts = map_filter
haftmann@27103
  1417
                  (fn c => if (is_some o syntax_const) c
haftmann@27103
  1418
                    then NONE else (SOME o NameSpace.base o deresolve) c)
haftmann@24219
  1419
                    ((fold o CodeThingol.fold_constnames) (insert (op =)) (t :: ts) []);
haftmann@24219
  1420
                val vars = init_syms
haftmann@24219
  1421
                  |> CodeName.intro_vars consts
haftmann@24219
  1422
                  |> CodeName.intro_vars ((fold o CodeThingol.fold_unbound_varnames)
haftmann@24219
  1423
                       (insert (op =)) ts []);
haftmann@24219
  1424
              in
haftmann@24219
  1425
                semicolon (
haftmann@27103
  1426
                  (str o deresolve_base) name
haftmann@27304
  1427
                  :: map (pr_term tyvars thm true vars BR) ts
haftmann@24219
  1428
                  @ str "="
haftmann@27304
  1429
                  @@ pr_term tyvars thm false vars NOBR t
haftmann@24219
  1430
                )
haftmann@24219
  1431
              end;
haftmann@24219
  1432
          in
haftmann@24219
  1433
            Pretty.chunks (
haftmann@24219
  1434
              Pretty.block [
haftmann@27103
  1435
                (str o suffix " ::" o deresolve_base) name,
haftmann@24219
  1436
                Pretty.brk 1,
haftmann@24219
  1437
                pr_typscheme tyvars (vs, ty),
haftmann@24219
  1438
                str ";"
haftmann@24219
  1439
              ]
haftmann@24219
  1440
              :: map pr_eq eqs
haftmann@24219
  1441
            )
haftmann@24219
  1442
          end
haftmann@27103
  1443
      | pr_stmt (name, CodeThingol.Datatype (vs, [])) =
haftmann@24219
  1444
          let
haftmann@24219
  1445
            val tyvars = CodeName.intro_vars (map fst vs) init_syms;
haftmann@24219
  1446
          in
haftmann@24219
  1447
            semicolon [
haftmann@24219
  1448
              str "data",
haftmann@27103
  1449
              pr_typdecl tyvars (vs, (deresolve_base name, map (ITyVar o fst) vs))
haftmann@24219
  1450
            ]
haftmann@24219
  1451
          end
haftmann@27103
  1452
      | pr_stmt (name, CodeThingol.Datatype (vs, [(co, [ty])])) =
haftmann@24219
  1453
          let
haftmann@24219
  1454
            val tyvars = CodeName.intro_vars (map fst vs) init_syms;
haftmann@24219
  1455
          in
haftmann@24219
  1456
            semicolon (
haftmann@24219
  1457
              str "newtype"
haftmann@27103
  1458
              :: pr_typdecl tyvars (vs, (deresolve_base name, map (ITyVar o fst) vs))
haftmann@24219
  1459
              :: str "="
haftmann@27103
  1460
              :: (str o deresolve_base) co
haftmann@24219
  1461
              :: pr_typ tyvars BR ty
haftmann@24219
  1462
              :: (if deriving_show name then [str "deriving (Read, Show)"] else [])
haftmann@24219
  1463
            )
haftmann@24219
  1464
          end
haftmann@27103
  1465
      | pr_stmt (name, CodeThingol.Datatype (vs, co :: cos)) =
haftmann@24219
  1466
          let
haftmann@24219
  1467
            val tyvars = CodeName.intro_vars (map fst vs) init_syms;
haftmann@24219
  1468
            fun pr_co (co, tys) =
haftmann@24219
  1469
              concat (
haftmann@27103
  1470
                (str o deresolve_base) co
haftmann@24219
  1471
                :: map (pr_typ tyvars BR) tys
haftmann@24219
  1472
              )
haftmann@24219
  1473
          in
haftmann@24219
  1474
            semicolon (
haftmann@24219
  1475
              str "data"
haftmann@27103
  1476
              :: pr_typdecl tyvars (vs, (deresolve_base name, map (ITyVar o fst) vs))
haftmann@24219
  1477
              :: str "="
haftmann@24219
  1478
              :: pr_co co
haftmann@24219
  1479
              :: map ((fn p => Pretty.block [str "| ", p]) o pr_co) cos
haftmann@24219
  1480
              @ (if deriving_show name then [str "deriving (Read, Show)"] else [])
haftmann@24219
  1481
            )
haftmann@24219
  1482
          end
haftmann@27103
  1483
      | pr_stmt (name, CodeThingol.Class (v, (superclasses, classparams))) =
haftmann@24219
  1484
          let
haftmann@24219
  1485
            val tyvars = CodeName.intro_vars [v] init_syms;
haftmann@24841
  1486
            fun pr_classparam (classparam, ty) =
haftmann@24219
  1487
              semicolon [
haftmann@24841
  1488
                (str o classparam_name name) classparam,
haftmann@24219
  1489
                str "::",
haftmann@24219
  1490
                pr_typ tyvars NOBR ty
haftmann@24219
  1491
              ]
haftmann@24219
  1492
          in
haftmann@24219
  1493
            Pretty.block_enclose (
haftmann@24219
  1494
              Pretty.block [
haftmann@24219
  1495
                str "class ",
haftmann@25621
  1496
                Pretty.block (pr_typcontext tyvars [(v, map fst superclasses)]),
haftmann@27103
  1497
                str (deresolve_base name ^ " " ^ CodeName.lookup_var tyvars v),
haftmann@24219
  1498
                str " where {"
haftmann@24219
  1499
              ],
haftmann@24219
  1500
              str "};"
haftmann@24841
  1501
            ) (map pr_classparam classparams)
haftmann@24219
  1502
          end
haftmann@27103
  1503
      | pr_stmt (_, CodeThingol.Classinst ((class, (tyco, vs)), (_, classparam_insts))) =
haftmann@24219
  1504
          let
haftmann@24219
  1505
            val tyvars = CodeName.intro_vars (map fst vs) init_syms;
haftmann@27304
  1506
            fun pr_instdef ((classparam, c_inst), thm) =
haftmann@24591
  1507
              semicolon [
haftmann@24841
  1508
                (str o classparam_name class) classparam,
haftmann@24591
  1509
                str "=",
haftmann@27304
  1510
                pr_app tyvars thm false init_syms NOBR (c_inst, [])
haftmann@24591
  1511
              ];
haftmann@24219
  1512
          in
haftmann@24219
  1513
            Pretty.block_enclose (
haftmann@24219
  1514
              Pretty.block [
haftmann@24219
  1515
                str "instance ",
haftmann@25621
  1516
                Pretty.block (pr_typcontext tyvars vs),
haftmann@24219
  1517
                str (class_name class ^ " "),
haftmann@24219
  1518
                pr_typ tyvars BR (tyco `%% map (ITyVar o fst) vs),
haftmann@24219
  1519
                str " where {"
haftmann@24219
  1520
              ],
haftmann@24219
  1521
              str "};"
haftmann@24841
  1522
            ) (map pr_instdef classparam_insts)
haftmann@24219
  1523
          end;
haftmann@27103
  1524
  in pr_stmt end;
haftmann@24219
  1525
haftmann@24992
  1526
fun pretty_haskell_monad c_bind =
haftmann@24219
  1527
  let
haftmann@27304
  1528
    fun pretty pr thm pat vars fxy [(t, _)] =
haftmann@24219
  1529
      let
haftmann@27304
  1530
        val pr_bind = pr_haskell_bind (K (K pr)) thm;
haftmann@24992
  1531
        fun pr_monad (NONE, t) vars =
haftmann@24219
  1532
              (semicolon [pr vars NOBR t], vars)
haftmann@24992
  1533
          | pr_monad (SOME (bind, true), t) vars = vars
haftmann@24219
  1534
              |> pr_bind NOBR bind
haftmann@24219
  1535
              |>> (fn p => semicolon [p, str "<-", pr vars NOBR t])
haftmann@24992
  1536
          | pr_monad (SOME (bind, false), t) vars = vars
haftmann@24219
  1537
              |> pr_bind NOBR bind
haftmann@24219
  1538
              |>> (fn p => semicolon [str "let", p, str "=", pr vars NOBR t]);
haftmann@24992
  1539
        val (binds, t) = implode_monad c_bind t;
haftmann@24992
  1540
        val (ps, vars') = fold_map pr_monad binds vars;
haftmann@26010
  1541
        fun brack p = if fixity BR fxy then Pretty.block [str "(", p, str ")"] else p;
haftmann@24219
  1542
      in (brack o Pretty.block_enclose (str "do {", str "}")) (ps @| pr vars' NOBR t) end;
haftmann@24219
  1543
  in (1, pretty) end;
haftmann@24219
  1544
haftmann@27103
  1545
fun haskell_program_of_program labelled_name module_name module_prefix reserved_names raw_module_alias program =
haftmann@24219
  1546
  let
haftmann@27103
  1547
    val module_alias = if is_some module_name then K module_name else raw_module_alias;
haftmann@27103
  1548
    val reserved_names = Name.make_context reserved_names;
haftmann@27103
  1549
    val mk_name_module = mk_name_module reserved_names module_prefix module_alias program;
haftmann@27103
  1550
    fun add_stmt (name, (stmt, deps)) =
haftmann@24219
  1551
      let
haftmann@27103
  1552
        val (module_name, base) = dest_name name;
haftmann@27103
  1553
        val module_name' = mk_name_module module_name;
haftmann@27103
  1554
        val mk_name_stmt = yield_singleton Name.variants;
haftmann@24219
  1555
        fun add_fun upper (nsp_fun, nsp_typ) =
haftmann@24219
  1556
          let
haftmann@24992
  1557
            val (base', nsp_fun') =
haftmann@27103
  1558
              mk_name_stmt (if upper then first_upper base else base) nsp_fun
haftmann@24219
  1559
          in (base', (nsp_fun', nsp_typ)) end;
haftmann@24219
  1560
        fun add_typ (nsp_fun, nsp_typ) =
haftmann@24219
  1561
          let
haftmann@27103
  1562
            val (base', nsp_typ') = mk_name_stmt (first_upper base) nsp_typ
haftmann@24219
  1563
          in (base', (nsp_fun, nsp_typ')) end;
haftmann@27103
  1564
        val add_name = case stmt
haftmann@27103
  1565
         of CodeThingol.Fun _ => add_fun false
haftmann@27103
  1566
          | CodeThingol.Datatype _ => add_typ
haftmann@27103
  1567
          | CodeThingol.Datatypecons _ => add_fun true
haftmann@27103
  1568
          | CodeThingol.Class _ => add_typ
haftmann@27103
  1569
          | CodeThingol.Classrel _ => pair base
haftmann@27103
  1570
          | CodeThingol.Classparam _ => add_fun false
haftmann@27103
  1571
          | CodeThingol.Classinst _ => pair base;
haftmann@27103
  1572
        fun add_stmt' base' = case stmt
haftmann@27103
  1573
         of CodeThingol.Datatypecons _ =>
haftmann@27103
  1574
              cons (name, (NameSpace.append module_name' base', NONE))
haftmann@27103
  1575
          | CodeThingol.Classrel _ => I
haftmann@27103
  1576
          | CodeThingol.Classparam _ =>
haftmann@27103
  1577
              cons (name, (NameSpace.append module_name' base', NONE))
haftmann@27103
  1578
          | _ => cons (name, (NameSpace.append module_name' base', SOME stmt));
haftmann@24219
  1579
      in
haftmann@27103
  1580
        Symtab.map_default (module_name', ([], ([], (reserved_names, reserved_names))))
haftmann@24219
  1581
              (apfst (fold (insert (op = : string * string -> bool)) deps))
haftmann@27103
  1582
        #> `(fn program => add_name ((snd o snd o the o Symtab.lookup program) module_name'))
haftmann@24219
  1583
        #-> (fn (base', names) =>
haftmann@27103
  1584
              (Symtab.map_entry module_name' o apsnd) (fn (stmts, _) =>
haftmann@27103
  1585
              (add_stmt' base' stmts, names)))
haftmann@24219
  1586
      end;
haftmann@27103
  1587
    val hs_program = fold add_stmt (AList.make (fn name =>
haftmann@27103
  1588
      (Graph.get_node program name, Graph.imm_succs program name))
haftmann@27103
  1589
      (Graph.strong_conn program |> flat)) Symtab.empty;
haftmann@27103
  1590
    fun deresolver name =
haftmann@27103
  1591
      (fst o the o AList.lookup (op =) ((fst o snd o the
haftmann@27103
  1592
        o Symtab.lookup hs_program) ((mk_name_module o fst o dest_name) name))) name
haftmann@27024
  1593
        handle Option => error ("Unknown statement name: " ^ labelled_name name);
haftmann@27103
  1594
  in (deresolver, hs_program) end;
haftmann@27103
  1595
haftmann@27304
  1596
fun serialize_haskell module_prefix raw_module_name string_classes labelled_name
haftmann@27103
  1597
    reserved_names includes raw_module_alias
haftmann@27103
  1598
    syntax_class syntax_tyco syntax_const program cs destination =
haftmann@27103
  1599
  let
haftmann@27304
  1600
    val stmt_names = stmt_names_of_destination destination;
haftmann@27304
  1601
    val module_name = if null stmt_names then raw_module_name else SOME "Code";
haftmann@27103
  1602
    val (deresolver, hs_program) = haskell_program_of_program labelled_name
haftmann@27103
  1603
      module_name module_prefix reserved_names raw_module_alias program;
haftmann@27103
  1604
    val is_cons = CodeThingol.is_cons program;
haftmann@27103
  1605
    val contr_classparam_typs = CodeThingol.contr_classparam_typs program;
haftmann@24219
  1606
    fun deriving_show tyco =
haftmann@24219
  1607
      let
haftmann@24219
  1608
        fun deriv _ "fun" = false
haftmann@24219
  1609
          | deriv tycos tyco = member (op =) tycos tyco orelse
haftmann@27103
  1610
              case try (Graph.get_node program) tyco
haftmann@27024
  1611
                of SOME (CodeThingol.Datatype (_, cs)) => forall (deriv' (tyco :: tycos))
haftmann@24219
  1612
                    (maps snd cs)
haftmann@27024
  1613
                 | NONE => true
haftmann@24219
  1614
        and deriv' tycos (tyco `%% tys) = deriv tycos tyco
haftmann@24219
  1615
              andalso forall (deriv' tycos) tys
haftmann@24219
  1616
          | deriv' _ (ITyVar _) = true
haftmann@24219
  1617
      in deriv [] tyco end;
haftmann@27103
  1618
    val reserved_names = CodeName.make_vars reserved_names;
haftmann@27103
  1619
    fun pr_stmt qualified = pr_haskell_stmt syntax_class syntax_tyco
haftmann@27103
  1620
      syntax_const labelled_name reserved_names
haftmann@27103
  1621
      (if qualified then deresolver else NameSpace.base o deresolver)
haftmann@27103
  1622
      is_cons contr_classparam_typs
haftmann@24219
  1623
      (if string_classes then deriving_show else K false);
haftmann@27103
  1624
    fun pr_module name content =
haftmann@27103
  1625
      (name, Pretty.chunks [
haftmann@27103
  1626
        str ("module " ^ name ^ " where {"),
haftmann@24992
  1627
        str "",
haftmann@24992
  1628
        content,
haftmann@24992
  1629
        str "",
haftmann@24992
  1630
        str "}"
haftmann@27001
  1631
      ]);
haftmann@27304
  1632
    fun serialize_module1 (module_name', (deps, (stmts, _))) =
haftmann@24219
  1633
      let
haftmann@27103
  1634
        val stmt_names = map fst stmts;
haftmann@27103
  1635
        val deps' = subtract (op =) stmt_names deps
haftmann@24219
  1636
          |> distinct (op =)
haftmann@27103
  1637
          |> map_filter (try deresolver);
haftmann@27103
  1638
        val qualified = is_none module_name andalso
haftmann@27103
  1639
          map deresolver stmt_names @ deps'
haftmann@24219
  1640
          |> map NameSpace.base
haftmann@24219
  1641
          |> has_duplicates (op =);
haftmann@27103
  1642
        val imports = deps'
haftmann@27103
  1643
          |> map NameSpace.qualifier
haftmann@27103
  1644
          |> distinct (op =);
haftmann@27103
  1645
        fun pr_import_include (name, _) = str ("import " ^ name ^ ";");
haftmann@27103
  1646
        val pr_import_module = str o (if qualified
haftmann@24219
  1647
          then prefix "import qualified "
haftmann@24219
  1648
          else prefix "import ") o suffix ";";
haftmann@24992
  1649
        val content = Pretty.chunks (
haftmann@27103
  1650
            map pr_import_include includes
haftmann@27103
  1651
            @ map pr_import_module imports
haftmann@24992
  1652
            @ str ""
haftmann@24992
  1653
            :: separate (str "") (map_filter
haftmann@27103
  1654
              (fn (name, (_, SOME stmt)) => SOME (pr_stmt qualified (name, stmt))
haftmann@27103
  1655
                | (_, (_, NONE)) => NONE) stmts)
haftmann@24992
  1656
          )
haftmann@27103
  1657
      in pr_module module_name' content end;
haftmann@27304
  1658
    fun serialize_module2 (_, (_, (stmts, _))) = Pretty.chunks (
haftmann@27304
  1659
      separate (str "") (map_filter
haftmann@27304
  1660
        (fn (name, (_, SOME stmt)) => if null stmt_names
haftmann@27304
  1661
              orelse member (op =) stmt_names name
haftmann@27304
  1662
              then SOME (pr_stmt false (name, stmt))
haftmann@27304
  1663
              else NONE
haftmann@27304
  1664
          | (_, (_, NONE)) => NONE) stmts));
haftmann@27304
  1665
    val serialize_module = case destination of String _ => pair "" o serialize_module2
haftmann@27304
  1666
      | _ => serialize_module1;
haftmann@27000
  1667
    fun write_module destination (modlname, content) =
haftmann@27000
  1668
      let
haftmann@27000
  1669
        val filename = case modlname
haftmann@27000
  1670
         of "" => Path.explode "Main.hs"
haftmann@27000
  1671
          | _ => (Path.ext "hs" o Path.explode o implode o separate "/"
haftmann@27000
  1672
                o NameSpace.explode) modlname;
haftmann@27000
  1673
        val pathname = Path.append destination filename;
haftmann@27000
  1674
        val _ = File.mkdir (Path.dir pathname);
haftmann@27103
  1675
      in File.write pathname (code_of_pretty content) end
haftmann@27103
  1676
    fun output Compile = error ("Haskell: no internal compilation")
haftmann@27304
  1677
      | output Export = K NONE o map (code_writeln o snd)
haftmann@27103
  1678
      | output (File destination) = K NONE o map (write_module destination)
haftmann@27436
  1679
      | output (String _) = SOME o rpair [] o cat_lines o map (code_of_pretty o snd);
haftmann@27103
  1680
  in
haftmann@27103
  1681
    output destination (map (uncurry pr_module) includes
haftmann@27103
  1682
      @ map serialize_module (Symtab.dest hs_program))
haftmann@27000
  1683
  end;
haftmann@24219
  1684
haftmann@27000
  1685
fun isar_seri_haskell module =
haftmann@27000
  1686
  parse_args (Scan.option (Args.$$$ "root" -- Args.colon |-- Args.name)
haftmann@27000
  1687
    -- Scan.optional (Args.$$$ "string_classes" >> K true) false
haftmann@27000
  1688
    >> (fn (module_prefix, string_classes) =>
haftmann@27103
  1689
      serialize_haskell module_prefix module string_classes));
haftmann@24219
  1690
haftmann@24219
  1691
haftmann@24219
  1692
(** optional pretty serialization **)
haftmann@24219
  1693
haftmann@24219
  1694
local
haftmann@24219
  1695
haftmann@26448
  1696
fun ocaml_char c =
haftmann@26448
  1697
  let
haftmann@26448
  1698
    fun chr i =
haftmann@26448
  1699
      let
haftmann@26448
  1700
        val xs = string_of_int i;
haftmann@26448
  1701
        val ys = replicate_string (3 - length (explode xs)) "0";
haftmann@26448
  1702
      in "\\" ^ ys ^ xs end;
haftmann@26448
  1703
    val i = ord c;
haftmann@26448
  1704
    val s = if i < 32 orelse i = 34 orelse i = 39 orelse i = 92 orelse i > 126
haftmann@26448
  1705
      then chr i else c
haftmann@26448
  1706
  in s end;
haftmann@26448
  1707
haftmann@26448
  1708
fun haskell_char c =
haftmann@26448
  1709
  let
haftmann@26448
  1710
    val s = ML_Syntax.print_char c;
haftmann@26448
  1711
  in if s = "'" then "\\'" else s end;
haftmann@26448
  1712
haftmann@24219
  1713
val pretty : (string * {
haftmann@24219
  1714
    pretty_char: string -> string,
haftmann@24219
  1715
    pretty_string: string -> string,
wenzelm@24630
  1716
    pretty_numeral: bool -> int -> string,
haftmann@24219
  1717
    pretty_list: Pretty.T list -> Pretty.T,
haftmann@24219
  1718
    infix_cons: int * string
haftmann@24219
  1719
  }) list = [
haftmann@24219
  1720
  ("SML", { pretty_char = prefix "#" o quote o ML_Syntax.print_char,
haftmann@26448
  1721
      pretty_string = quote o translate_string ML_Syntax.print_char,
haftmann@24219
  1722
      pretty_numeral = fn unbounded => fn k =>
haftmann@24750
  1723
        if unbounded then "(" ^ string_of_int k ^ " : IntInf.int)"
wenzelm@24630
  1724
        else string_of_int k,
haftmann@24219
  1725
      pretty_list = Pretty.enum "," "[" "]",
haftmann@24219
  1726
      infix_cons = (7, "::")}),
haftmann@26448
  1727
  ("OCaml", { pretty_char = enclose "'" "'" o ocaml_char,
haftmann@26448
  1728
      pretty_string = quote o translate_string ocaml_char,
wenzelm@24630
  1729
      pretty_numeral = fn unbounded => fn k => if k >= 0 then
haftmann@24219
  1730
            if unbounded then
wenzelm@24630
  1731
              "(Big_int.big_int_of_int " ^ string_of_int k ^ ")"
wenzelm@24630
  1732
            else string_of_int k
haftmann@24219
  1733
          else
haftmann@24219
  1734
            if unbounded then
haftmann@24219
  1735
              "(Big_int.big_int_of_int " ^ (enclose "(" ")" o prefix "-"
wenzelm@24630
  1736
                o string_of_int o op ~) k ^ ")"
wenzelm@24630
  1737
            else (enclose "(" ")" o prefix "-" o string_of_int o op ~) k,
haftmann@24219
  1738
      pretty_list = Pretty.enum ";" "[" "]",
haftmann@24219
  1739
      infix_cons = (6, "::")}),
haftmann@26448
  1740
  ("Haskell", { pretty_char = enclose "'" "'" o haskell_char,
haftmann@26448
  1741
      pretty_string = quote o translate_string haskell_char,
wenzelm@24630
  1742
      pretty_numeral = fn unbounded => fn k => if k >= 0 then string_of_int k
wenzelm@24630
  1743
          else enclose "(" ")" (signed_string_of_int k),
haftmann@24219
  1744
      pretty_list = Pretty.enum "," "[" "]",
haftmann@24219
  1745
      infix_cons = (5, ":")})
haftmann@24219
  1746
];
haftmann@24219
  1747
haftmann@24219
  1748
in
haftmann@24219
  1749
haftmann@24219
  1750
fun pr_pretty target = case AList.lookup (op =) pretty target
haftmann@24219
  1751
 of SOME x => x
haftmann@24219
  1752
  | NONE => error ("Unknown code target language: " ^ quote target);
haftmann@24219
  1753
haftmann@24219
  1754
fun default_list (target_fxy, target_cons) pr fxy t1 t2 =
haftmann@24219
  1755
  brackify_infix (target_fxy, R) fxy [
haftmann@24219
  1756
    pr (INFX (target_fxy, X)) t1,
haftmann@24219
  1757
    str target_cons,
haftmann@24219
  1758
    pr (INFX (target_fxy, R)) t2
haftmann@24219
  1759
  ];
haftmann@24219
  1760
haftmann@24219
  1761
fun pretty_list c_nil c_cons target =
haftmann@24219
  1762
  let
haftmann@24219
  1763
    val pretty_ops = pr_pretty target;
haftmann@24219
  1764
    val mk_list = #pretty_list pretty_ops;
haftmann@27304
  1765
    fun pretty pr thm pat vars fxy [(t1, _), (t2, _)] =
haftmann@24219
  1766
      case Option.map (cons t1) (implode_list c_nil c_cons t2)
haftmann@24219
  1767
       of SOME ts => mk_list (map (pr vars NOBR) ts)
haftmann@24219
  1768
        | NONE => default_list (#infix_cons pretty_ops) (pr vars) fxy t1 t2;
haftmann@24219
  1769
  in (2, pretty) end;
haftmann@24219
  1770
haftmann@24219
  1771
fun pretty_list_string c_nil c_cons c_char c_nibbles target =
haftmann@24219
  1772
  let
haftmann@24219
  1773
    val pretty_ops = pr_pretty target;
haftmann@24219
  1774
    val mk_list = #pretty_list pretty_ops;
haftmann@24219
  1775
    val mk_char = #pretty_char pretty_ops;
haftmann@24219
  1776
    val mk_string = #pretty_string pretty_ops;
haftmann@27304
  1777
    fun pretty pr thm pat vars fxy [(t1, _), (t2, _)] =
haftmann@24219
  1778
      case Option.map (cons t1) (implode_list c_nil c_cons t2)
haftmann@26448
  1779
       of SOME ts => (case implode_string c_char c_nibbles mk_char mk_string ts
haftmann@24219
  1780
           of SOME p => p
haftmann@26448
  1781
            | NONE => mk_list (map (pr vars NOBR) ts))
haftmann@24219
  1782
        | NONE => default_list (#infix_cons pretty_ops) (pr vars) fxy t1 t2;
haftmann@24219
  1783
  in (2, pretty) end;
haftmann@24219
  1784
haftmann@24219
  1785
fun pretty_char c_char c_nibbles target =
haftmann@24219
  1786
  let
haftmann@24219
  1787
    val mk_char = #pretty_char (pr_pretty target);
haftmann@27304
  1788
    fun pretty _ thm _ _ _ [(t1, _), (t2, _)] =
haftmann@24219
  1789
      case decode_char c_nibbles (t1, t2)
haftmann@24219
  1790
       of SOME c => (str o mk_char) c
haftmann@27304
  1791
        | NONE => nerror thm "Illegal character expression";
haftmann@24219
  1792
  in (2, pretty) end;
haftmann@24219
  1793
huffman@26086
  1794
fun pretty_numeral unbounded negative c_pls c_min c_bit0 c_bit1 target =
haftmann@24219
  1795
  let
haftmann@24219
  1796
    val mk_numeral = #pretty_numeral (pr_pretty target);
haftmann@27304
  1797
    fun pretty _ thm _ _ _ [(t, _)] =
haftmann@27304
  1798
      (str o mk_numeral unbounded o implode_numeral thm negative c_pls c_min c_bit0 c_bit1) t;
haftmann@24219
  1799
  in (1, pretty) end;
haftmann@24219
  1800
haftmann@24992
  1801
fun pretty_message c_char c_nibbles c_nil c_cons target =
haftmann@24219
  1802
  let
haftmann@24219
  1803
    val pretty_ops = pr_pretty target;
haftmann@24219
  1804
    val mk_char = #pretty_char pretty_ops;
haftmann@24219
  1805
    val mk_string = #pretty_string pretty_ops;
haftmann@27304
  1806
    fun pretty _ thm _ _ _ [(t, _)] =
haftmann@24219
  1807
      case implode_list c_nil c_cons t
haftmann@24219
  1808
       of SOME ts => (case implode_string c_char c_nibbles mk_char mk_string ts
haftmann@24219
  1809
           of SOME p => p
haftmann@27304
  1810
            | NONE => nerror thm "Illegal message expression")
haftmann@27304
  1811
        | NONE => nerror thm "Illegal message expression";
haftmann@24219
  1812
  in (1, pretty) end;
haftmann@24219
  1813
haftmann@24219
  1814
end; (*local*)
haftmann@24219
  1815
haftmann@27000
  1816
haftmann@27304
  1817
(** serializer use cases **)
haftmann@27000
  1818
haftmann@27000
  1819
(* evaluation *)
haftmann@27000
  1820
haftmann@27103
  1821
fun eval eval'' term_of reff thy ct args =
haftmann@27000
  1822
  let
haftmann@27103
  1823
    val _ = if null (term_frees (term_of ct)) then () else error ("Term "
haftmann@27103
  1824
      ^ quote (Syntax.string_of_term_global thy (term_of ct))
haftmann@27103
  1825
      ^ " to be evaluated contains free variables");
haftmann@27103
  1826
    fun eval' program ((vs, ty), t) deps =
haftmann@27103
  1827
      let
haftmann@27103
  1828
        val _ = if CodeThingol.contains_dictvar t then
haftmann@27103
  1829
          error "Term to be evaluated constains free dictionaries" else ();
haftmann@27103
  1830
        val program' = program
haftmann@27103
  1831
          |> Graph.new_node (CodeName.value_name, CodeThingol.Fun (([], ty), [(([], t), Drule.dummy_thm)]))
haftmann@27103
  1832
          |> fold (curry Graph.add_edge CodeName.value_name) deps;
haftmann@27436
  1833
        val (value_code, [value_name']) = ml_code_of thy program' [CodeName.value_name];
haftmann@27436
  1834
        val sml_code = "let\n" ^ value_code ^ "\nin " ^ value_name'
haftmann@27436
  1835
          ^ space_implode " " (map (enclose "(" ")") args) ^ " end";
haftmann@27103
  1836
      in ML_Context.evaluate Output.ml_output false reff sml_code end;
haftmann@27103
  1837
  in eval'' thy (fn t => (t, eval')) ct end;
haftmann@27103
  1838
haftmann@27103
  1839
fun eval_conv reff = eval CodeThingol.eval_conv Thm.term_of reff;
haftmann@27103
  1840
fun eval_term reff = eval CodeThingol.eval_term I reff;
haftmann@27103
  1841
haftmann@27103
  1842
haftmann@27304
  1843
(* instrumentalization by antiquotation *)
haftmann@27103
  1844
haftmann@27436
  1845
local
haftmann@27436
  1846
haftmann@27436
  1847
structure CodeAntiqData = ProofDataFun
haftmann@27436
  1848
(
haftmann@27437
  1849
  type T = string list * (bool * (string * (string * (string * string) list) Susp.T));
haftmann@27437
  1850
  fun init _ = ([], (true, ("", Susp.value ("", []))));
haftmann@27436
  1851
);
haftmann@27436
  1852
haftmann@27436
  1853
val is_first_occ = fst o snd o CodeAntiqData.get;
haftmann@27436
  1854
haftmann@27437
  1855
fun delayed_code thy consts () =
haftmann@27437
  1856
  let
haftmann@27437
  1857
    val (consts', program) = CodeThingol.consts_program thy consts;
haftmann@27437
  1858
    val (ml_code, consts'') = ml_code_of thy program consts';
haftmann@27437
  1859
    val _ = if length consts <> length consts'' then
haftmann@27437
  1860
      error ("One of the constants " ^ commas (map (quote o CodeUnit.string_of_const thy) consts)
haftmann@27437
  1861
        ^ "\nhas a user-defined serialization") else ();
haftmann@27437
  1862
  in (ml_code, consts ~~ consts'') end;
haftmann@27437
  1863
haftmann@27436
  1864
fun register_const const ctxt =
haftmann@27436
  1865
  let
haftmann@27437
  1866
    val (consts, (_, (struct_name, _))) = CodeAntiqData.get ctxt;
haftmann@27437
  1867
    val consts' = insert (op =) const consts;
haftmann@27436
  1868
    val (struct_name', ctxt') = if struct_name = ""
haftmann@27436
  1869
      then ML_Antiquote.variant "Code" ctxt
haftmann@27436
  1870
      else (struct_name, ctxt);
haftmann@27437
  1871
    val acc_code = Susp.delay (delayed_code (ProofContext.theory_of ctxt) consts');
haftmann@27437
  1872
  in CodeAntiqData.put (consts', (false, (struct_name', acc_code))) ctxt' end;
haftmann@27436
  1873
haftmann@27437
  1874
fun print_code struct_name is_first const ctxt =
haftmann@27304
  1875
  let
haftmann@27437
  1876
    val (consts, (_, (struct_code_name, acc_code))) = CodeAntiqData.get ctxt;
haftmann@27437
  1877
    val (raw_ml_code, consts_map) = Susp.force acc_code;
haftmann@27436
  1878
    val const'' = NameSpace.append (NameSpace.append struct_name struct_code_name)
haftmann@27437
  1879
      ((the o AList.lookup (op =) consts_map) const);
haftmann@27436
  1880
    val ml_code = if is_first then "\nstructure " ^ struct_code_name
haftmann@27436
  1881
        ^ " =\nstruct\n\n" ^ raw_ml_code ^ "\nend;\n\n"
haftmann@27436
  1882
      else "";
haftmann@27436
  1883
  in (ml_code, const'') end;
haftmann@27436
  1884
haftmann@27436
  1885
in
haftmann@27436
  1886
haftmann@27436
  1887
fun ml_code_antiq raw_const {struct_name, background} =
haftmann@27436
  1888
  let
haftmann@27437
  1889
    val const = CodeUnit.check_const (ProofContext.theory_of background) raw_const;
haftmann@27436
  1890
    val is_first = is_first_occ background;
haftmann@27436
  1891
    val background' = register_const const background;
haftmann@27437
  1892
  in (print_code struct_name is_first const, background') end;
haftmann@27436
  1893
haftmann@27436
  1894
end; (*local*)
haftmann@27304
  1895
haftmann@27304
  1896
haftmann@27304
  1897
(* code presentation *)
haftmann@27304
  1898
haftmann@27304
  1899
fun code_of thy target module_name cs stmt_names =
haftmann@27103
  1900
  let
haftmann@27103
  1901
    val (cs', program) = CodeThingol.consts_program thy cs;
haftmann@27103
  1902
  in
haftmann@27304
  1903
    string stmt_names (serialize thy target (SOME module_name) [] program cs')
haftmann@27103
  1904
  end;
haftmann@27000
  1905
haftmann@27000
  1906
haftmann@27304
  1907
(* code generation *)
haftmann@27304
  1908
haftmann@27304
  1909
fun read_const_exprs thy cs =
haftmann@27304
  1910
  let
haftmann@27304
  1911
    val (cs1, cs2) = CodeName.read_const_exprs thy cs;
haftmann@27304
  1912
    val (cs3, program) = CodeThingol.consts_program thy cs2;
haftmann@27304
  1913
    val cs4 = CodeThingol.transitivly_non_empty_funs program (abort_allowed thy);
haftmann@27304
  1914
    val cs5 = map_filter
haftmann@27304
  1915
      (fn (c, c') => if member (op =) cs4 c' then SOME c else NONE) (cs2 ~~ cs3);
haftmann@27304
  1916
  in fold (insert (op =)) cs5 cs1 end;
haftmann@27304
  1917
haftmann@27304
  1918
fun cached_program thy = 
haftmann@27304
  1919
  let
haftmann@27304
  1920
    val program = CodeThingol.cached_program thy;
haftmann@27304
  1921
  in (CodeThingol.transitivly_non_empty_funs program (abort_allowed thy), program) end
haftmann@27304
  1922
haftmann@27304
  1923
fun export_code thy cs seris =
haftmann@27304
  1924
  let
haftmann@27304
  1925
    val (cs', program) = if null cs then cached_program thy
haftmann@27304
  1926
      else CodeThingol.consts_program thy cs;
haftmann@27304
  1927
    fun mk_seri_dest dest = case dest
haftmann@27304
  1928
     of NONE => compile
haftmann@27304
  1929
      | SOME "-" => export
haftmann@27304
  1930
      | SOME f => file (Path.explode f)
haftmann@27304
  1931
    val _ = map (fn (((target, module), dest), args) =>
haftmann@27304
  1932
      (mk_seri_dest dest (serialize thy target module args program cs'))) seris;
haftmann@27304
  1933
  in () end;
haftmann@27304
  1934
haftmann@27304
  1935
fun export_code_cmd raw_cs seris thy = export_code thy (read_const_exprs thy raw_cs) seris;
haftmann@27304
  1936
haftmann@27304
  1937
haftmann@27304
  1938
(** serializer data **)
haftmann@27304
  1939
haftmann@27000
  1940
(* infix syntax *)
haftmann@27000
  1941
haftmann@27000
  1942
datatype 'a mixfix =
haftmann@27000
  1943
    Arg of fixity
haftmann@27000
  1944
  | Pretty of Pretty.T;
haftmann@27000
  1945
haftmann@27000
  1946
fun mk_mixfix prep_arg (fixity_this, mfx) =
haftmann@27000
  1947
  let
haftmann@27000
  1948
    fun is_arg (Arg _) = true
haftmann@27000
  1949
      | is_arg _ = false;
haftmann@27000
  1950
    val i = (length o filter is_arg) mfx;
haftmann@27000
  1951
    fun fillin _ [] [] =
haftmann@27000
  1952
          []
haftmann@27000
  1953
      | fillin pr (Arg fxy :: mfx) (a :: args) =
haftmann@27000
  1954
          (pr fxy o prep_arg) a :: fillin pr mfx args
haftmann@27000
  1955
      | fillin pr (Pretty p :: mfx) args =
haftmann@27304
  1956
          p :: fillin pr mfx args;
haftmann@27000
  1957
  in
haftmann@27000
  1958
    (i, fn pr => fn fixity_ctxt => fn args =>
haftmann@27000
  1959
      gen_brackify (fixity fixity_this fixity_ctxt) (fillin pr mfx args))
haftmann@27000
  1960
  end;
haftmann@27000
  1961
haftmann@27000
  1962
fun parse_infix prep_arg (x, i) s =
haftmann@27000
  1963
  let
haftmann@27000
  1964
    val l = case x of L => INFX (i, L) | _ => INFX (i, X);
haftmann@27000
  1965
    val r = case x of R => INFX (i, R) | _ => INFX (i, X);
haftmann@27000
  1966
  in
haftmann@27000
  1967
    mk_mixfix prep_arg (INFX (i, x),
haftmann@27000
  1968
      [Arg l, (Pretty o Pretty.brk) 1, (Pretty o str) s, (Pretty o Pretty.brk) 1, Arg r])
haftmann@27000
  1969
  end;
haftmann@27000
  1970
haftmann@27000
  1971
haftmann@27000
  1972
(* data access *)
haftmann@24219
  1973
haftmann@24219
  1974
local
haftmann@24219
  1975
haftmann@24992
  1976
fun cert_class thy class =
haftmann@24992
  1977
  let
haftmann@24992
  1978
    val _ = AxClass.get_info thy class;
haftmann@24992
  1979
  in class end;
haftmann@24992
  1980
haftmann@27103
  1981
fun read_class thy = cert_class thy o Sign.intern_class thy;
haftmann@24992
  1982
haftmann@24992
  1983
fun cert_tyco thy tyco =
haftmann@24992
  1984
  let
haftmann@24992
  1985
    val _ = if Sign.declared_tyname thy tyco then ()
haftmann@24992
  1986
      else error ("No such type constructor: " ^ quote tyco);
haftmann@24992
  1987
  in tyco end;
haftmann@24992
  1988
haftmann@27103
  1989
fun read_tyco thy = cert_tyco thy o Sign.intern_type thy;
haftmann@24219
  1990
haftmann@24219
  1991
fun gen_add_syntax_class prep_class prep_const target raw_class raw_syn thy =
haftmann@24219
  1992
  let
haftmann@24841
  1993
    val class = prep_class thy raw_class;
haftmann@24841
  1994
    val class' = CodeName.class thy class;
haftmann@24841
  1995
    fun mk_classparam c = case AxClass.class_of_param thy c
haftmann@24841
  1996
     of SOME class'' => if class = class'' then CodeName.const thy c
haftmann@24219
  1997
          else error ("Not a class operation for class " ^ quote class ^ ": " ^ quote c)
haftmann@24219
  1998
      | NONE => error ("Not a class operation: " ^ quote c);
haftmann@24841
  1999
    fun mk_syntax_params raw_params = AList.lookup (op =)
haftmann@24841
  2000
      ((map o apfst) (mk_classparam o prep_const thy) raw_params);
haftmann@24219
  2001
  in case raw_syn
haftmann@24841
  2002
   of SOME (syntax, raw_params) =>
haftmann@24219
  2003
      thy
haftmann@27024
  2004
      |> (map_name_syntax target o apfst o apfst)
haftmann@24841
  2005
           (Symtab.update (class', (syntax, mk_syntax_params raw_params)))
haftmann@24219
  2006
    | NONE =>
haftmann@24219
  2007
      thy
haftmann@27024
  2008
      |> (map_name_syntax target o apfst o apfst)
haftmann@24841
  2009
           (Symtab.delete_safe class')
haftmann@24219
  2010
  end;
haftmann@24219
  2011
haftmann@24219
  2012
fun gen_add_syntax_inst prep_class prep_tyco target (raw_tyco, raw_class) add_del thy =
haftmann@24219
  2013
  let
haftmann@24219
  2014
    val inst = CodeName.instance thy (prep_class thy raw_class, prep_tyco thy raw_tyco);
haftmann@24219
  2015
  in if add_del then
haftmann@24219
  2016
    thy
haftmann@27024
  2017
    |> (map_name_syntax target o apfst o apsnd)
haftmann@24219
  2018
        (Symtab.update (inst, ()))
haftmann@24219
  2019
  else
haftmann@24219
  2020
    thy
haftmann@27024
  2021
    |> (map_name_syntax target o apfst o apsnd)
haftmann@24219
  2022
        (Symtab.delete_safe inst)
haftmann@24219
  2023
  end;
haftmann@24219
  2024
haftmann@24219
  2025
fun gen_add_syntax_tyco prep_tyco target raw_tyco raw_syn thy =
haftmann@24219
  2026
  let
haftmann@24219
  2027
    val tyco = prep_tyco thy raw_tyco;
haftmann@24219
  2028
    val tyco' = if tyco = "fun" then "fun" else CodeName.tyco thy tyco;
haftmann@24219
  2029
    fun check_args (syntax as (n, _)) = if n <> Sign.arity_number thy tyco
haftmann@24219
  2030
      then error ("Number of arguments mismatch in syntax for type constructor " ^ quote tyco)
haftmann@24219
  2031
      else syntax
haftmann@24219
  2032
  in case raw_syn
haftmann@24219
  2033
   of SOME syntax =>
haftmann@24219
  2034
      thy
haftmann@27024
  2035
      |> (map_name_syntax target o apsnd o apfst)
haftmann@24219
  2036
           (Symtab.update (tyco', check_args syntax))
haftmann@24219
  2037
   | NONE =>
haftmann@24219
  2038
      thy
haftmann@27024
  2039
      |> (map_name_syntax target o apsnd o apfst)
haftmann@24219
  2040
           (Symtab.delete_safe tyco')
haftmann@24219
  2041
  end;
haftmann@24219
  2042
haftmann@27304
  2043
fun simple_const_syntax x = (Option.map o apsnd)
haftmann@27304
  2044
  (fn pretty => fn pr => fn thm => fn pat => fn vars => pretty (pr vars)) x;
haftmann@27304
  2045
haftmann@24219
  2046
fun gen_add_syntax_const prep_const target raw_c raw_syn thy =
haftmann@24219
  2047
  let
haftmann@24219
  2048
    val c = prep_const thy raw_c;
haftmann@24219
  2049
    val c' = CodeName.const thy c;
haftmann@24423
  2050
    fun check_args (syntax as (n, _)) = if n > CodeUnit.no_args thy c
haftmann@24423
  2051
      then error ("Too many arguments in syntax for constant " ^ quote c)
haftmann@24219
  2052
      else syntax;
haftmann@24219
  2053
  in case raw_syn
haftmann@24219
  2054
   of SOME syntax =>
haftmann@24219
  2055
      thy
haftmann@27024
  2056
      |> (map_name_syntax target o apsnd o apsnd)
haftmann@24219
  2057
           (Symtab.update (c', check_args syntax))
haftmann@24219
  2058
   | NONE =>
haftmann@24219
  2059
      thy
haftmann@27024
  2060
      |> (map_name_syntax target o apsnd o apsnd)
haftmann@24219
  2061
           (Symtab.delete_safe c')
haftmann@24219
  2062
  end;
haftmann@24219
  2063
haftmann@24219
  2064
fun add_reserved target =
haftmann@24219
  2065
  let
haftmann@24219
  2066
    fun add sym syms = if member (op =) syms sym
haftmann@24219
  2067
      then error ("Reserved symbol " ^ quote sym ^ " already declared")
haftmann@24219
  2068
      else insert (op =) sym syms
haftmann@27103
  2069
  in map_reserved target o add end;
haftmann@24992
  2070
haftmann@24992
  2071
fun add_include target =
haftmann@24992
  2072
  let
haftmann@24992
  2073
    fun add (name, SOME content) incls =
haftmann@24992
  2074
          let
haftmann@24992
  2075
            val _ = if Symtab.defined incls name
haftmann@24992
  2076
              then warning ("Overwriting existing include " ^ name)
haftmann@24992
  2077
              else ();
haftmann@24992
  2078
          in Symtab.update (name, str content) incls end
haftmann@24992
  2079
      | add (name, NONE) incls =
haftmann@24992
  2080
          Symtab.delete name incls;
haftmann@27103
  2081
  in map_includes target o add end;
haftmann@24219
  2082
haftmann@27103
  2083
fun add_module_alias target =
haftmann@24992
  2084
  map_module_alias target o Symtab.update o apsnd CodeName.check_modulename;
haftmann@24219
  2085
haftmann@27710
  2086
fun add_monad target raw_c_run raw_c_bind thy =
haftmann@24992
  2087
  let
haftmann@27103
  2088
    val c_run = CodeUnit.read_const thy raw_c_run;
haftmann@27103
  2089
    val c_bind = CodeUnit.read_const thy raw_c_bind;
haftmann@27103
  2090
    val c_bind' = CodeName.const thy c_bind;
haftmann@24992
  2091
  in if target = target_Haskell then
haftmann@24992
  2092
    thy
haftmann@27103
  2093
    |> gen_add_syntax_const (K I) target_Haskell c_run
haftmann@27103
  2094
          (SOME (pretty_haskell_monad c_bind'))
haftmann@27103
  2095
    |> gen_add_syntax_const (K I) target_Haskell c_bind
haftmann@27304
  2096
          (simple_const_syntax (SOME (parse_infix fst (L, 1) ">>=")))
haftmann@27710
  2097
  else error "Only Haskell target allows for monad syntax" end;
haftmann@24219
  2098
haftmann@27103
  2099
fun gen_allow_abort prep_cs raw_c thy =
haftmann@24841
  2100
  let
haftmann@24841
  2101
    val c = prep_cs thy raw_c;
haftmann@24841
  2102
    val c' = CodeName.const thy c;
haftmann@24841
  2103
  in thy |> (CodeTargetData.map o apsnd) (insert (op =) c') end;
haftmann@24841
  2104
haftmann@24219
  2105
fun zip_list (x::xs) f g =
haftmann@24219
  2106
  f
haftmann@24219
  2107
  #-> (fn y =>
haftmann@24219
  2108
    fold_map (fn x => g |-- f >> pair x) xs
haftmann@24219
  2109
    #-> (fn xys => pair ((x, y) :: xys)));
haftmann@24219
  2110
haftmann@27000
  2111
haftmann@27103
  2112
(* concrete syntax *)
haftmann@27000
  2113
haftmann@24219
  2114
structure P = OuterParse
haftmann@24219
  2115
and K = OuterKeyword
haftmann@24219
  2116
haftmann@24219
  2117
fun parse_multi_syntax parse_thing parse_syntax =
haftmann@24219
  2118
  P.and_list1 parse_thing
haftmann@24219
  2119
  #-> (fn things => Scan.repeat1 (P.$$$ "(" |-- P.name --
haftmann@24219
  2120
        (zip_list things parse_syntax (P.$$$ "and")) --| P.$$$ ")"));
haftmann@24219
  2121
haftmann@24219
  2122
val (infixK, infixlK, infixrK) = ("infix", "infixl", "infixr");
haftmann@24219
  2123
haftmann@27000
  2124
fun parse_mixfix prep_arg s =
haftmann@27000
  2125
  let
haftmann@27000
  2126
    val sym_any = Scan.one Symbol.is_regular;
haftmann@27000
  2127
    val parse = Scan.optional ($$ "!" >> K true) false -- Scan.repeat (
haftmann@27000
  2128
         ($$ "(" -- $$ "_" -- $$ ")" >> K (Arg NOBR))
haftmann@27000
  2129
      || ($$ "_" >> K (Arg BR))
haftmann@27000
  2130
      || ($$ "/" |-- Scan.repeat ($$ " ") >> (Pretty o Pretty.brk o length))
haftmann@27000
  2131
      || (Scan.repeat1
haftmann@27000
  2132
           (   $$ "'" |-- sym_any
haftmann@27000
  2133
            || Scan.unless ($$ "_" || $$ "/" || $$ "(" |-- $$ "_" |-- $$ ")")
haftmann@27000
  2134
                 sym_any) >> (Pretty o str o implode)));
haftmann@27000
  2135
  in case Scan.finite Symbol.stopper parse (Symbol.explode s)
haftmann@27000
  2136
   of ((_, p as [_]), []) => mk_mixfix prep_arg (NOBR, p)
haftmann@27000
  2137
    | ((b, p as _ :: _ :: _), []) => mk_mixfix prep_arg (if b then NOBR else BR, p)
haftmann@27000
  2138
    | _ => Scan.!!
haftmann@27000
  2139
        (the_default ("malformed mixfix annotation: " ^ quote s) o snd) Scan.fail ()
haftmann@27000
  2140
  end;
haftmann@27000
  2141
haftmann@24219
  2142
fun parse_syntax prep_arg xs =
haftmann@24219
  2143
  Scan.option ((
haftmann@24219
  2144
      ((P.$$$ infixK  >> K X)
haftmann@24219
  2145
        || (P.$$$ infixlK >> K L)
haftmann@24219
  2146
        || (P.$$$ infixrK >> K R))
haftmann@24219
  2147
        -- P.nat >> parse_infix prep_arg
haftmann@24219
  2148
      || Scan.succeed (parse_mixfix prep_arg))
haftmann@24219
  2149
      -- P.string
haftmann@24219
  2150
      >> (fn (parse, s) => parse s)) xs;
haftmann@24219
  2151
haftmann@24219
  2152
in
haftmann@24219
  2153
haftmann@24219
  2154
val parse_syntax = parse_syntax;
haftmann@24219
  2155
haftmann@24219
  2156
val add_syntax_class = gen_add_syntax_class cert_class (K I);
haftmann@24219
  2157
val add_syntax_inst = gen_add_syntax_inst cert_class cert_tyco;
haftmann@24219
  2158
val add_syntax_tyco = gen_add_syntax_tyco cert_tyco;
haftmann@24219
  2159
val add_syntax_const = gen_add_syntax_const (K I);
haftmann@27103
  2160
val allow_abort = gen_allow_abort (K I);
haftmann@24219
  2161
haftmann@24219
  2162
val add_syntax_class_cmd = gen_add_syntax_class read_class CodeUnit.read_const;
haftmann@24219
  2163
val add_syntax_inst_cmd = gen_add_syntax_inst read_class read_tyco;
haftmann@24219
  2164
val add_syntax_tyco_cmd = gen_add_syntax_tyco read_tyco;
haftmann@24219
  2165
val add_syntax_const_cmd = gen_add_syntax_const CodeUnit.read_const;
haftmann@27103
  2166
val allow_abort_cmd = gen_allow_abort CodeUnit.read_const;
haftmann@24219
  2167
haftmann@24219
  2168
fun add_syntax_tycoP target tyco = parse_syntax I >> add_syntax_tyco_cmd target tyco;
haftmann@27304
  2169
fun add_syntax_constP target c = parse_syntax fst >> (add_syntax_const_cmd target c o simple_const_syntax);
haftmann@24219
  2170
haftmann@24219
  2171
fun add_undefined target undef target_undefined thy =
haftmann@24219
  2172
  let
haftmann@27304
  2173
    fun pr _ _ _ _ _ _ = str target_undefined;
haftmann@24219
  2174
  in
haftmann@24219
  2175
    thy
haftmann@24423
  2176
    |> add_syntax_const target undef (SOME (~1, pr))
haftmann@24219
  2177
  end;
haftmann@24219
  2178
haftmann@24219
  2179
fun add_pretty_list target nill cons thy =
haftmann@24219
  2180
  let
haftmann@24423
  2181
    val nil' = CodeName.const thy nill;
haftmann@24423
  2182
    val cons' = CodeName.const thy cons;
haftmann@24423
  2183
    val pr = pretty_list nil' cons' target;
haftmann@24219
  2184
  in
haftmann@24219
  2185
    thy
haftmann@24423
  2186
    |> add_syntax_const target cons (SOME pr)
haftmann@24219
  2187
  end;
haftmann@24219
  2188
haftmann@24219
  2189
fun add_pretty_list_string target nill cons charr nibbles thy =
haftmann@24219
  2190
  let
haftmann@24423
  2191
    val nil' = CodeName.const thy nill;
haftmann@24423
  2192
    val cons' = CodeName.const thy cons;
haftmann@24423
  2193
    val charr' = CodeName.const thy charr;
haftmann@24423
  2194
    val nibbles' = map (CodeName.const thy) nibbles;
haftmann@24423
  2195
    val pr = pretty_list_string nil' cons' charr' nibbles' target;
haftmann@24219
  2196
  in
haftmann@24219
  2197
    thy
haftmann@24423
  2198
    |> add_syntax_const target cons (SOME pr)
haftmann@24219
  2199
  end;
haftmann@24219
  2200
haftmann@24219
  2201
fun add_pretty_char target charr nibbles thy =
haftmann@24219
  2202
  let
haftmann@24423
  2203
    val charr' = CodeName.const thy charr;
haftmann@24423
  2204
    val nibbles' = map (CodeName.const thy) nibbles;
haftmann@24423
  2205
    val pr = pretty_char charr' nibbles' target;
haftmann@24219
  2206
  in
haftmann@24219
  2207
    thy
haftmann@24423
  2208
    |> add_syntax_const target charr (SOME pr)
haftmann@24219
  2209
  end;
haftmann@24219
  2210
huffman@26086
  2211
fun add_pretty_numeral target unbounded negative number_of pls min bit0 bit1 thy =
haftmann@24219
  2212
  let
haftmann@24423
  2213
    val pls' = CodeName.const thy pls;
haftmann@24423
  2214
    val min' = CodeName.const thy min;
huffman@26086
  2215
    val bit0' = CodeName.const thy bit0;
huffman@26086
  2216
    val bit1' = CodeName.const thy bit1;
huffman@26086
  2217
    val pr = pretty_numeral unbounded negative pls' min' bit0' bit1' target;
haftmann@24219
  2218
  in
haftmann@24219
  2219
    thy
haftmann@24423
  2220
    |> add_syntax_const target number_of (SOME pr)
haftmann@24219
  2221
  end;
haftmann@24219
  2222
haftmann@24992
  2223
fun add_pretty_message target charr nibbles nill cons str thy =
haftmann@24219
  2224
  let
haftmann@24423
  2225
    val charr' = CodeName.const thy charr;
haftmann@24423
  2226
    val nibbles' = map (CodeName.const thy) nibbles;
haftmann@24423
  2227
    val nil' = CodeName.const thy nill;
haftmann@24423
  2228
    val cons' = CodeName.const thy cons;
haftmann@24992
  2229
    val pr = pretty_message charr' nibbles' nil' cons' target;
haftmann@24219
  2230
  in
haftmann@24219
  2231
    thy
haftmann@24423
  2232
    |> add_syntax_const target str (SOME pr)
haftmann@24219
  2233
  end;
haftmann@24219
  2234
wenzelm@24867
  2235
haftmann@27103
  2236
haftmann@27304
  2237
(** Isar setup **)
haftmann@27103
  2238
haftmann@27103
  2239
val (inK, module_nameK, fileK) = ("in", "module_name", "file");
haftmann@27103
  2240
haftmann@27103
  2241
fun code_exprP cmd =
wenzelm@27757
  2242
  (Scan.repeat P.term_group
haftmann@27103
  2243
  -- Scan.repeat (P.$$$ inK |-- P.name
haftmann@27103
  2244
     -- Scan.option (P.$$$ module_nameK |-- P.name)
haftmann@27103
  2245
     -- Scan.option (P.$$$ fileK |-- P.name)
wenzelm@27809
  2246
     -- Scan.optional (P.$$$ "(" |-- Args.parse --| P.$$$ ")") []
haftmann@27103
  2247
  ) >> (fn (raw_cs, seris) => cmd raw_cs seris));
haftmann@27103
  2248
wenzelm@27353
  2249
val _ = List.app OuterKeyword.keyword [infixK, infixlK, infixrK, inK, module_nameK, fileK];
wenzelm@24867
  2250
wenzelm@24867
  2251
val _ =
haftmann@24992
  2252
  OuterSyntax.command "code_class" "define code syntax for class" K.thy_decl (
haftmann@24219
  2253
    parse_multi_syntax P.xname
haftmann@24219
  2254
      (Scan.option (P.string -- Scan.optional (P.$$$ "where" |-- Scan.repeat1
wenzelm@27757
  2255
        (P.term_group --| (P.$$$ "\<equiv>" || P.$$$ "==") -- P.string)) []))
haftmann@24219
  2256
    >> (Toplevel.theory oo fold) (fn (target, syns) =>
haftmann@24219
  2257
          fold (fn (raw_class, syn) => add_syntax_class_cmd target raw_class syn) syns)
haftmann@24219
  2258
  );
haftmann@24219
  2259
wenzelm@24867
  2260
val _ =
haftmann@24992
  2261
  OuterSyntax.command "code_instance" "define code syntax for instance" K.thy_decl (
haftmann@24219
  2262
    parse_multi_syntax (P.xname --| P.$$$ "::" -- P.xname)
haftmann@24219
  2263
      ((P.minus >> K true) || Scan.succeed false)
haftmann@24219
  2264
    >> (Toplevel.theory oo fold) (fn (target, syns) =>
haftmann@24219
  2265
          fold (fn (raw_inst, add_del) => add_syntax_inst_cmd target raw_inst add_del) syns)
haftmann@24219
  2266
  );
haftmann@24219
  2267
wenzelm@24867
  2268
val _ =
haftmann@24992
  2269
  OuterSyntax.command "code_type" "define code syntax for type constructor" K.thy_decl (
haftmann@24219
  2270
    parse_multi_syntax P.xname (parse_syntax I)
haftmann@24219
  2271
    >> (Toplevel.theory oo fold) (fn (target, syns) =>
haftmann@24219
  2272
          fold (fn (raw_tyco, syn) => add_syntax_tyco_cmd target raw_tyco syn) syns)
haftmann@24219
  2273
  );
haftmann@24219
  2274
wenzelm@24867
  2275
val _ =
haftmann@24992
  2276
  OuterSyntax.command "code_const" "define code syntax for constant" K.thy_decl (
wenzelm@27757
  2277
    parse_multi_syntax P.term_group (parse_syntax fst)
haftmann@24219
  2278
    >> (Toplevel.theory oo fold) (fn (target, syns) =>
haftmann@27304
  2279
          fold (fn (raw_const, syn) => add_syntax_const_cmd target raw_const (simple_const_syntax syn)) syns)
haftmann@24219
  2280
  );
haftmann@24219
  2281
wenzelm@24867
  2282
val _ =
haftmann@24992
  2283
  OuterSyntax.command "code_monad" "define code syntax for monads" K.thy_decl (
wenzelm@27757
  2284
    P.term_group -- P.term_group -- P.name
haftmann@27710
  2285
    >> (fn ((raw_run, raw_bind), target) => Toplevel.theory 
haftmann@27710
  2286
          (add_monad target raw_run raw_bind))
haftmann@24219
  2287
  );
haftmann@24219
  2288
wenzelm@24867
  2289
val _ =
haftmann@24992
  2290
  OuterSyntax.command "code_reserved" "declare words as reserved for target language" K.thy_decl (
haftmann@24219
  2291
    P.name -- Scan.repeat1 P.name
haftmann@24219
  2292
    >> (fn (target, reserveds) => (Toplevel.theory o fold (add_reserved target)) reserveds)
haftmann@24841
  2293
  );
haftmann@24219
  2294
wenzelm@24867
  2295
val _ =
haftmann@24992
  2296
  OuterSyntax.command "code_include" "declare piece of code to be included in generated code" K.thy_decl (
haftmann@24992
  2297
    P.name -- P.name -- (P.text >> (fn "-" => NONE | s => SOME s))
haftmann@24992
  2298
    >> (fn ((target, name), content) => (Toplevel.theory o add_include target)
haftmann@24992
  2299
      (name, content))
haftmann@24992
  2300
  );
haftmann@24992
  2301
haftmann@24992
  2302
val _ =
haftmann@24992
  2303
  OuterSyntax.command "code_modulename" "alias module to other name" K.thy_decl (
haftmann@24219
  2304
    P.name -- Scan.repeat1 (P.name -- P.name)
haftmann@27103
  2305
    >> (fn (target, modlnames) => (Toplevel.theory o fold (add_module_alias target)) modlnames)
haftmann@27103
  2306
  );
haftmann@27103
  2307
haftmann@27103
  2308
val _ =
haftmann@27103
  2309
  OuterSyntax.command "code_abort" "permit constant to be implemented as program abort" K.thy_decl (
wenzelm@27757
  2310
    Scan.repeat1 P.term_group >> (Toplevel.theory o fold allow_abort_cmd)
haftmann@24841
  2311
  );
haftmann@24219
  2312
wenzelm@24867
  2313
val _ =
haftmann@27103
  2314
  OuterSyntax.command "export_code" "generate executable code for constants"
haftmann@27103
  2315
    K.diag (P.!!! (code_exprP export_code_cmd) >> (fn f => Toplevel.keep (f o Toplevel.theory_of)));
haftmann@27103
  2316
haftmann@27103
  2317
fun shell_command thyname cmd = Toplevel.program (fn _ =>
haftmann@27103
  2318
  (use_thy thyname; case Scan.read OuterLex.stopper (P.!!! (code_exprP export_code_cmd)) ((filter OuterLex.is_proper o OuterSyntax.scan) cmd)
haftmann@27103
  2319
   of SOME f => (writeln "Now generating code..."; f (theory thyname))
haftmann@27103
  2320
    | NONE => error ("Bad directive " ^ quote cmd)))
haftmann@27103
  2321
  handle TOPLEVEL_ERROR => OS.Process.exit OS.Process.failure;
haftmann@27103
  2322
haftmann@27436
  2323
val _ = ML_Context.add_antiq "code" (Args.term >> ml_code_antiq);
haftmann@24219
  2324
haftmann@24219
  2325
haftmann@27000
  2326
(* serializer setup, including serializer defaults *)
haftmann@27000
  2327
haftmann@24219
  2328
val setup =
haftmann@27103
  2329
  add_target (target_SML, isar_seri_sml)
haftmann@27103
  2330
  #> add_target (target_OCaml, isar_seri_ocaml)
haftmann@27103
  2331
  #> add_target (target_Haskell, isar_seri_haskell)
haftmann@24219
  2332
  #> add_syntax_tyco "SML" "fun" (SOME (2, fn pr_typ => fn fxy => fn [ty1, ty2] =>
haftmann@27024
  2333
      brackify_infix (1, R) fxy [
haftmann@24219
  2334
        pr_typ (INFX (1, X)) ty1,
haftmann@24219
  2335
        str "->",
haftmann@24219
  2336
        pr_typ (INFX (1, R)) ty2
haftmann@24219
  2337
      ]))
haftmann@24219
  2338
  #> add_syntax_tyco "OCaml" "fun" (SOME (2, fn pr_typ => fn fxy => fn [ty1, ty2] =>
haftmann@27024
  2339
      brackify_infix (1, R) fxy [
haftmann@24219
  2340
        pr_typ (INFX (1, X)) ty1,
haftmann@24219
  2341
        str "->",
haftmann@24219
  2342
        pr_typ (INFX (1, R)) ty2
haftmann@24219
  2343
      ]))
haftmann@24219
  2344
  #> add_syntax_tyco "Haskell" "fun" (SOME (2, fn pr_typ => fn fxy => fn [ty1, ty2] =>
haftmann@24219
  2345
      brackify_infix (1, R) fxy [
haftmann@24219
  2346
        pr_typ (INFX (1, X)) ty1,
haftmann@24219
  2347
        str "->",
haftmann@24219
  2348
        pr_typ (INFX (1, R)) ty2
haftmann@24219
  2349
      ]))
haftmann@24219
  2350
  #> fold (add_reserved "SML") ML_Syntax.reserved_names
haftmann@24219
  2351
  #> fold (add_reserved "SML")
haftmann@24219
  2352
      ["o" (*dictionary projections use it already*), "Fail", "div", "mod" (*standard infixes*)]
haftmann@24219
  2353
  #> fold (add_reserved "OCaml") [
haftmann@24219
  2354
      "and", "as", "assert", "begin", "class",
haftmann@24219
  2355
      "constraint", "do", "done", "downto", "else", "end", "exception",
haftmann@24219
  2356
      "external", "false", "for", "fun", "function", "functor", "if",
haftmann@24219
  2357
      "in", "include", "inherit", "initializer", "lazy", "let", "match", "method",
haftmann@24219
  2358
      "module", "mutable", "new", "object", "of", "open", "or", "private", "rec",
haftmann@24219
  2359
      "sig", "struct", "then", "to", "true", "try", "type", "val",
haftmann@24219
  2360
      "virtual", "when", "while", "with"
haftmann@24219
  2361
    ]
haftmann@24219
  2362
  #> fold (add_reserved "OCaml") ["failwith", "mod"]
haftmann@24219
  2363
  #> fold (add_reserved "Haskell") [
haftmann@24219
  2364
      "hiding", "deriving", "where", "case", "of", "infix", "infixl", "infixr",
haftmann@24219
  2365
      "import", "default", "forall", "let", "in", "class", "qualified", "data",
haftmann@24219
  2366
      "newtype", "instance", "if", "then", "else", "type", "as", "do", "module"
haftmann@24219
  2367
    ]
haftmann@24219
  2368
  #> fold (add_reserved "Haskell") [
haftmann@24219
  2369
      "Prelude", "Main", "Bool", "Maybe", "Either", "Ordering", "Char", "String", "Int",
haftmann@24219
  2370
      "Integer", "Float", "Double", "Rational", "IO", "Eq", "Ord", "Enum", "Bounded",
haftmann@24219
  2371
      "Num", "Real", "Integral", "Fractional", "Floating", "RealFloat", "Monad", "Functor",
haftmann@24219
  2372
      "AlreadyExists", "ArithException", "ArrayException", "AssertionFailed", "AsyncException",
haftmann@24219
  2373
      "BlockedOnDeadMVar", "Deadlock", "Denormal", "DivideByZero", "DotNetException", "DynException",
haftmann@24219
  2374
      "Dynamic", "EOF", "EQ", "EmptyRec", "ErrorCall", "ExitException", "ExitFailure",
haftmann@24219
  2375
      "ExitSuccess", "False", "GT", "HeapOverflow",
haftmann@24219
  2376
      "IOError", "IOException", "IllegalOperation",
haftmann@24219
  2377
      "IndexOutOfBounds", "Just", "Key", "LT", "Left", "LossOfPrecision", "NoMethodError",
haftmann@24219
  2378
      "NoSuchThing", "NonTermination", "Nothing", "Obj", "OtherError", "Overflow",
haftmann@24219
  2379
      "PatternMatchFail", "PermissionDenied", "ProtocolError", "RecConError", "RecSelError",
haftmann@24219
  2380
      "RecUpdError", "ResourceBusy", "ResourceExhausted", "Right", "StackOverflow",
haftmann@24219
  2381
      "ThreadKilled", "True", "TyCon", "TypeRep", "UndefinedElement", "Underflow",
haftmann@24219
  2382
      "UnsupportedOperation", "UserError", "abs", "absReal", "acos", "acosh", "all",
haftmann@24219
  2383
      "and", "any", "appendFile", "asTypeOf", "asciiTab", "asin", "asinh", "atan",
haftmann@24219
  2384
      "atan2", "atanh", "basicIORun", "blockIO", "boundedEnumFrom", "boundedEnumFromThen",
haftmann@24219
  2385
      "boundedEnumFromThenTo", "boundedEnumFromTo", "boundedPred", "boundedSucc", "break",
haftmann@24219
  2386
      "catch", "catchException", "ceiling", "compare", "concat", "concatMap", "const",
haftmann@24219
  2387
      "cos", "cosh", "curry", "cycle", "decodeFloat", "denominator", "div", "divMod",
haftmann@24219
  2388
      "doubleToRatio", "doubleToRational", "drop", "dropWhile", "either", "elem",
haftmann@24219
  2389
      "emptyRec", "encodeFloat", "enumFrom", "enumFromThen", "enumFromThenTo",
haftmann@24219
  2390
      "enumFromTo", "error", "even", "exp", "exponent", "fail", "filter", "flip",
haftmann@24219
  2391
      "floatDigits", "floatProperFraction", "floatRadix", "floatRange", "floatToRational",
haftmann@24219
  2392
      "floor", "fmap", "foldl", "foldl'", "foldl1", "foldr", "foldr1", "fromDouble",
haftmann@24219
  2393
      "fromEnum", "fromEnum_0", "fromInt", "fromInteger", "fromIntegral", "fromObj",
haftmann@24219
  2394
      "fromRational", "fst", "gcd", "getChar", "getContents", "getLine", "head",
haftmann@24219
  2395
      "id", "inRange", "index", "init", "intToRatio", "interact", "ioError", "isAlpha",
haftmann@24219
  2396
      "isAlphaNum", "isDenormalized", "isDigit", "isHexDigit", "isIEEE", "isInfinite",
haftmann@24219
  2397
      "isLower", "isNaN", "isNegativeZero", "isOctDigit", "isSpace", "isUpper", "iterate", "iterate'",
haftmann@24219
  2398
      "last", "lcm", "length", "lex", "lexDigits", "lexLitChar", "lexmatch", "lines", "log",
haftmann@24219
  2399
      "logBase", "lookup", "loop", "map", "mapM", "mapM_", "max", "maxBound", "maximum",
haftmann@24219
  2400
      "maybe", "min", "minBound", "minimum", "mod", "negate", "nonnull", "not", "notElem",
haftmann@24219
  2401
      "null", "numerator", "numericEnumFrom", "numericEnumFromThen", "numericEnumFromThenTo",
haftmann@24219
  2402
      "numericEnumFromTo", "odd", "or", "otherwise", "pi", "pred", 
haftmann@24219
  2403
      "print", "product", "properFraction", "protectEsc", "putChar", "putStr", "putStrLn",
haftmann@24219
  2404
      "quot", "quotRem", "range", "rangeSize", "rationalToDouble", "rationalToFloat",
haftmann@24219
  2405
      "rationalToRealFloat", "read", "readDec", "readField", "readFieldName", "readFile",
haftmann@24219
  2406
      "readFloat", "readHex", "readIO", "readInt", "readList", "readLitChar", "readLn",
haftmann@24219
  2407
      "readOct", "readParen", "readSigned", "reads", "readsPrec", "realFloatToRational",
haftmann@24219
  2408
      "realToFrac", "recip", "reduce", "rem", "repeat", "replicate", "return", "reverse",
haftmann@24219
  2409
      "round", "scaleFloat", "scanl", "scanl1", "scanr", "scanr1", "seq", "sequence",
haftmann@24219
  2410
      "sequence_", "show", "showChar", "showException", "showField", "showList",
haftmann@24219
  2411
      "showLitChar", "showParen", "showString", "shows", "showsPrec", "significand",
haftmann@24219
  2412
      "signum", "signumReal", "sin", "sinh", "snd", "span", "splitAt", "sqrt", "subtract",
haftmann@24219
  2413
      "succ", "sum", "tail", "take", "takeWhile", "takeWhile1", "tan", "tanh", "threadToIOResult",
haftmann@24219
  2414
      "throw", "toEnum", "toInt", "toInteger", "toObj", "toRational", "truncate", "uncurry",
haftmann@24219
  2415
      "undefined", "unlines", "unsafeCoerce", "unsafeIndex", "unsafeRangeSize", "until", "unwords",
haftmann@24219
  2416
      "unzip", "unzip3", "userError", "words", "writeFile", "zip", "zip3", "zipWith", "zipWith3"
haftmann@24219
  2417
    ] (*due to weird handling of ':', we can't do anything else than to import *all* prelude symbols*);
haftmann@24219
  2418
haftmann@24219
  2419
end; (*local*)
haftmann@24219
  2420
haftmann@24219
  2421
end; (*struct*)