haftmann@24219: (*  Title:      Tools/code/code_target.ML
haftmann@24219:     Author:     Florian Haftmann, TU Muenchen
haftmann@24219: 
haftmann@28054: Serializer from intermediate language ("Thin-gol") to target languages.
haftmann@24219: *)
haftmann@24219: 
haftmann@24219: signature CODE_TARGET =
haftmann@24219: sig
haftmann@28054:   include CODE_PRINTER
haftmann@28054: 
haftmann@28054:   type serializer
haftmann@28064:   val add_target: string * (serializer * literals) -> theory -> theory
haftmann@28663:   val extend_target: string *
haftmann@28663:       (string * (Code_Thingol.naming -> Code_Thingol.program -> Code_Thingol.program))
haftmann@28054:     -> theory -> theory
haftmann@28054:   val assert_target: theory -> string -> string
haftmann@24219: 
haftmann@28054:   type destination
haftmann@28054:   type serialization
haftmann@28054:   val parse_args: (OuterLex.token list -> 'a * OuterLex.token list)
haftmann@28054:     -> OuterLex.token list -> 'a
haftmann@28054:   val stmt_names_of_destination: destination -> string list
haftmann@28054:   val code_of_pretty: Pretty.T -> string
haftmann@28054:   val code_writeln: Pretty.T -> unit
haftmann@28054:   val mk_serialization: string -> ('a -> unit) option
haftmann@28054:     -> (Path.T option -> 'a -> unit)
haftmann@28663:     -> ('a -> string * string option list)
haftmann@28054:     -> 'a -> serialization
wenzelm@30513:   val serialize: theory -> string -> string option -> OuterLex.token list
haftmann@28663:     -> Code_Thingol.naming -> Code_Thingol.program -> string list -> serialization
haftmann@28064:   val serialize_custom: theory -> string * (serializer * literals)
haftmann@28663:     -> Code_Thingol.naming -> Code_Thingol.program -> string list -> string * string option list
haftmann@28090:   val the_literals: theory -> string -> literals
haftmann@28054:   val compile: serialization -> unit
haftmann@28054:   val export: serialization -> unit
haftmann@28054:   val file: Path.T -> serialization -> unit
haftmann@28054:   val string: string list -> serialization -> string
haftmann@28690:   val code_of: theory -> string -> string
haftmann@28690:     -> string list -> (Code_Thingol.naming -> string list) -> string
haftmann@30494:   val shell_command: string (*theory name*) -> string (*export_code expr*) -> unit
haftmann@28054:   val code_width: int ref
haftmann@28054: 
haftmann@28054:   val allow_abort: string -> theory -> theory
haftmann@28690:   val add_syntax_class: string -> class -> string option -> theory -> theory
haftmann@28054:   val add_syntax_inst: string -> string * class -> bool -> theory -> theory
haftmann@28054:   val add_syntax_tyco: string -> string -> tyco_syntax option -> theory -> theory
haftmann@31056:   val add_syntax_const: string -> string -> proto_const_syntax option -> theory -> theory
haftmann@28054:   val add_reserved: string -> string -> theory -> theory
haftmann@24219: end;
haftmann@24219: 
haftmann@28054: structure Code_Target : CODE_TARGET =
haftmann@24219: struct
haftmann@24219: 
haftmann@28054: open Basic_Code_Thingol;
haftmann@28054: open Code_Printer;
haftmann@24219: 
haftmann@24219: (** basics **)
haftmann@24219: 
haftmann@27304: datatype destination = Compile | Export | File of Path.T | String of string list;
haftmann@28663: type serialization = destination -> (string * string option list) option;
haftmann@27014: 
haftmann@27103: val code_width = ref 80; (*FIXME after Pretty module no longer depends on print mode*)
haftmann@27103: fun code_setmp f = PrintMode.setmp [] (Pretty.setmp_margin (!code_width) f);
haftmann@27103: fun code_of_pretty p = code_setmp Pretty.string_of p ^ "\n";
haftmann@27103: fun code_writeln p = Pretty.setmp_margin (!code_width) Pretty.writeln p;
haftmann@26998: 
haftmann@27103: (*FIXME why another code_setmp?*)
haftmann@27103: fun compile f = (code_setmp f Compile; ());
haftmann@27304: fun export f = (code_setmp f Export; ());
haftmann@27103: fun file p f = (code_setmp f (File p); ());
haftmann@30963: fun string stmts f = fst (the (code_setmp f (String stmts)));
haftmann@27304: 
haftmann@27304: fun stmt_names_of_destination (String stmts) = stmts
haftmann@27304:   | stmt_names_of_destination _ = [];
haftmann@27014: 
haftmann@28054: fun mk_serialization target (SOME comp) _ _ code Compile = (comp code; NONE)
haftmann@28054:   | mk_serialization target NONE _ _ _ Compile = error (target ^ ": no internal compilation")
haftmann@28054:   | mk_serialization target _ output _ code Export = (output NONE code ; NONE)
haftmann@28054:   | mk_serialization target _ output _ code (File file) = (output (SOME file) code; NONE)
haftmann@28054:   | mk_serialization target _ _ string code (String _) = SOME (string code);
haftmann@27550: 
haftmann@24219: 
haftmann@28054: (** theory data **)
haftmann@28054: 
haftmann@28054: datatype name_syntax_table = NameSyntaxTable of {
haftmann@28690:   class: string Symtab.table,
haftmann@30648:   instance: unit Symreltab.table,
haftmann@28054:   tyco: tyco_syntax Symtab.table,
haftmann@31056:   const: proto_const_syntax Symtab.table
haftmann@28054: };
haftmann@27000: 
haftmann@28663: fun mk_name_syntax_table ((class, instance), (tyco, const)) =
haftmann@28663:   NameSyntaxTable { class = class, instance = instance, tyco = tyco, const = const };
haftmann@28663: fun map_name_syntax_table f (NameSyntaxTable { class, instance, tyco, const }) =
haftmann@28663:   mk_name_syntax_table (f ((class, instance), (tyco, const)));
haftmann@28663: fun merge_name_syntax_table (NameSyntaxTable { class = class1, instance = instance1, tyco = tyco1, const = const1 },
haftmann@28663:     NameSyntaxTable { class = class2, instance = instance2, tyco = tyco2, const = const2 }) =
haftmann@28054:   mk_name_syntax_table (
haftmann@28054:     (Symtab.join (K snd) (class1, class2),
haftmann@30648:        Symreltab.join (K snd) (instance1, instance2)),
haftmann@28054:     (Symtab.join (K snd) (tyco1, tyco2),
haftmann@28054:        Symtab.join (K snd) (const1, const2))
haftmann@28054:   );
haftmann@28054: 
haftmann@28054: type serializer =
haftmann@28054:   string option                         (*module name*)
wenzelm@30513:   -> OuterLex.token list                (*arguments*)
haftmann@28054:   -> (string -> string)                 (*labelled_name*)
haftmann@28054:   -> string list                        (*reserved symbols*)
haftmann@28054:   -> (string * Pretty.T) list           (*includes*)
haftmann@28054:   -> (string -> string option)          (*module aliasses*)
haftmann@28690:   -> (string -> string option)          (*class syntax*)
haftmann@28054:   -> (string -> tyco_syntax option)
haftmann@28054:   -> (string -> const_syntax option)
haftmann@28054:   -> Code_Thingol.program
haftmann@28054:   -> string list                        (*selected statements*)
haftmann@28054:   -> serialization;
haftmann@27000: 
haftmann@28064: datatype serializer_entry = Serializer of serializer * literals
haftmann@28663:   | Extends of string * (Code_Thingol.naming -> Code_Thingol.program -> Code_Thingol.program);
haftmann@28054: 
haftmann@28054: datatype target = Target of {
haftmann@28054:   serial: serial,
haftmann@28054:   serializer: serializer_entry,
haftmann@28054:   reserved: string list,
haftmann@28926:   includes: (Pretty.T * string list) Symtab.table,
haftmann@28054:   name_syntax_table: name_syntax_table,
haftmann@28054:   module_alias: string Symtab.table
haftmann@28054: };
haftmann@27103: 
haftmann@31599: fun make_target ((serial, serializer), ((reserved, includes), (name_syntax_table, module_alias))) =
haftmann@28054:   Target { serial = serial, serializer = serializer, reserved = reserved, 
haftmann@28054:     includes = includes, name_syntax_table = name_syntax_table, module_alias = module_alias };
haftmann@28054: fun map_target f ( Target { serial, serializer, reserved, includes, name_syntax_table, module_alias } ) =
haftmann@31599:   make_target (f ((serial, serializer), ((reserved, includes), (name_syntax_table, module_alias))));
haftmann@28054: fun merge_target strict target (Target { serial = serial1, serializer = serializer,
haftmann@28054:   reserved = reserved1, includes = includes1,
haftmann@28054:   name_syntax_table = name_syntax_table1, module_alias = module_alias1 },
haftmann@28054:     Target { serial = serial2, serializer = _,
haftmann@28054:       reserved = reserved2, includes = includes2,
haftmann@28054:       name_syntax_table = name_syntax_table2, module_alias = module_alias2 }) =
haftmann@28054:   if serial1 = serial2 orelse not strict then
haftmann@31599:     make_target ((serial1, serializer),
haftmann@28054:       ((merge (op =) (reserved1, reserved2), Symtab.merge (op =) (includes1, includes2)),
haftmann@28054:         (merge_name_syntax_table (name_syntax_table1, name_syntax_table2),
haftmann@28054:           Symtab.join (K snd) (module_alias1, module_alias2))
haftmann@28054:     ))
haftmann@28054:   else
haftmann@28054:     error ("Incompatible serializers: " ^ quote target);
haftmann@27103: 
haftmann@28054: structure CodeTargetData = TheoryDataFun
haftmann@27436: (
haftmann@28054:   type T = target Symtab.table * string list;
haftmann@28054:   val empty = (Symtab.empty, []);
haftmann@28054:   val copy = I;
haftmann@28054:   val extend = I;
haftmann@28054:   fun merge _ ((target1, exc1) : T, (target2, exc2)) =
haftmann@28054:     (Symtab.join (merge_target true) (target1, target2), Library.merge (op =) (exc1, exc2));
haftmann@27436: );
haftmann@27436: 
haftmann@28054: fun the_serializer (Target { serializer, ... }) = serializer;
haftmann@28054: fun the_reserved (Target { reserved, ... }) = reserved;
haftmann@28054: fun the_includes (Target { includes, ... }) = includes;
haftmann@28054: fun the_name_syntax (Target { name_syntax_table = NameSyntaxTable x, ... }) = x;
haftmann@28054: fun the_module_alias (Target { module_alias , ... }) = module_alias;
haftmann@27437: 
haftmann@28054: val abort_allowed = snd o CodeTargetData.get;
haftmann@27436: 
haftmann@28054: fun assert_target thy target =
haftmann@28054:   case Symtab.lookup (fst (CodeTargetData.get thy)) target
haftmann@28054:    of SOME data => target
haftmann@28054:     | NONE => error ("Unknown code target language: " ^ quote target);
haftmann@28054: 
haftmann@28054: fun put_target (target, seri) thy =
haftmann@27304:   let
haftmann@28663:     val lookup_target = Symtab.lookup (fst (CodeTargetData.get thy));
haftmann@28054:     val _ = case seri
haftmann@28663:      of Extends (super, _) => if is_some (lookup_target super) then ()
haftmann@28054:           else error ("Unknown code target language: " ^ quote super)
haftmann@28054:       | _ => ();
haftmann@28663:     val overwriting = case (Option.map the_serializer o lookup_target) target
haftmann@28663:      of NONE => false
haftmann@28663:       | SOME (Extends _) => true
haftmann@28663:       | SOME (Serializer _) => (case seri
haftmann@28663:          of Extends _ => error ("Will not overwrite existing target " ^ quote target)
haftmann@28663:           | _ => true);
haftmann@28663:     val _ = if overwriting
haftmann@28054:       then warning ("Overwriting existing target " ^ quote target)
haftmann@28663:       else (); 
haftmann@28054:   in
haftmann@28054:     thy
haftmann@28054:     |> (CodeTargetData.map o apfst oo Symtab.map_default)
haftmann@31599:           (target, make_target ((serial (), seri), (([], Symtab.empty),
haftmann@30648:             (mk_name_syntax_table ((Symtab.empty, Symreltab.empty), (Symtab.empty, Symtab.empty)),
haftmann@28054:               Symtab.empty))))
haftmann@28054:           ((map_target o apfst o apsnd o K) seri)
haftmann@28054:   end;
haftmann@27436: 
haftmann@28054: fun add_target (target, seri) = put_target (target, Serializer seri);
haftmann@28054: fun extend_target (target, (super, modify)) =
haftmann@28054:   put_target (target, Extends (super, modify));
haftmann@27436: 
haftmann@28054: fun map_target_data target f thy =
haftmann@27436:   let
haftmann@28054:     val _ = assert_target thy target;
haftmann@28054:   in
haftmann@28054:     thy
haftmann@28054:     |> (CodeTargetData.map o apfst o Symtab.map_entry target o map_target) f
haftmann@28054:   end;
haftmann@27304: 
haftmann@28054: fun map_reserved target =
haftmann@28054:   map_target_data target o apsnd o apfst o apfst;
haftmann@28054: fun map_includes target =
haftmann@28054:   map_target_data target o apsnd o apfst o apsnd;
haftmann@28054: fun map_name_syntax target =
haftmann@28054:   map_target_data target o apsnd o apsnd o apfst o map_name_syntax_table;
haftmann@28054: fun map_module_alias target =
haftmann@28054:   map_target_data target o apsnd o apsnd o apsnd;
haftmann@27000: 
haftmann@27000: 
haftmann@28054: (** serializer configuration **)
haftmann@27000: 
haftmann@27000: (* data access *)
haftmann@24219: 
haftmann@24219: local
haftmann@24219: 
haftmann@24992: fun cert_class thy class =
haftmann@24992:   let
haftmann@24992:     val _ = AxClass.get_info thy class;
haftmann@24992:   in class end;
haftmann@24992: 
haftmann@27103: fun read_class thy = cert_class thy o Sign.intern_class thy;
haftmann@24992: 
haftmann@24992: fun cert_tyco thy tyco =
haftmann@24992:   let
haftmann@24992:     val _ = if Sign.declared_tyname thy tyco then ()
haftmann@24992:       else error ("No such type constructor: " ^ quote tyco);
haftmann@24992:   in tyco end;
haftmann@24992: 
haftmann@27103: fun read_tyco thy = cert_tyco thy o Sign.intern_type thy;
haftmann@24219: 
haftmann@24219: fun gen_add_syntax_class prep_class prep_const target raw_class raw_syn thy =
haftmann@24219:   let
haftmann@24841:     val class = prep_class thy raw_class;
haftmann@24219:   in case raw_syn
haftmann@28690:    of SOME syntax =>
haftmann@24219:       thy
haftmann@27024:       |> (map_name_syntax target o apfst o apfst)
haftmann@28690:            (Symtab.update (class, syntax))
haftmann@24219:     | NONE =>
haftmann@24219:       thy
haftmann@27024:       |> (map_name_syntax target o apfst o apfst)
haftmann@28663:            (Symtab.delete_safe class)
haftmann@24219:   end;
haftmann@24219: 
haftmann@24219: fun gen_add_syntax_inst prep_class prep_tyco target (raw_tyco, raw_class) add_del thy =
haftmann@24219:   let
haftmann@28663:     val inst = (prep_class thy raw_class, prep_tyco thy raw_tyco);
haftmann@24219:   in if add_del then
haftmann@24219:     thy
haftmann@27024:     |> (map_name_syntax target o apfst o apsnd)
haftmann@30648:         (Symreltab.update (inst, ()))
haftmann@24219:   else
haftmann@24219:     thy
haftmann@27024:     |> (map_name_syntax target o apfst o apsnd)
haftmann@30648:         (Symreltab.delete_safe inst)
haftmann@24219:   end;
haftmann@24219: 
haftmann@24219: fun gen_add_syntax_tyco prep_tyco target raw_tyco raw_syn thy =
haftmann@24219:   let
haftmann@24219:     val tyco = prep_tyco thy raw_tyco;
haftmann@24219:     fun check_args (syntax as (n, _)) = if n <> Sign.arity_number thy tyco
haftmann@24219:       then error ("Number of arguments mismatch in syntax for type constructor " ^ quote tyco)
haftmann@24219:       else syntax
haftmann@24219:   in case raw_syn
haftmann@24219:    of SOME syntax =>
haftmann@24219:       thy
haftmann@27024:       |> (map_name_syntax target o apsnd o apfst)
haftmann@28663:            (Symtab.update (tyco, check_args syntax))
haftmann@28690:     | NONE =>
haftmann@24219:       thy
haftmann@27024:       |> (map_name_syntax target o apsnd o apfst)
haftmann@28663:            (Symtab.delete_safe tyco)
haftmann@24219:   end;
haftmann@24219: 
haftmann@24219: fun gen_add_syntax_const prep_const target raw_c raw_syn thy =
haftmann@24219:   let
haftmann@24219:     val c = prep_const thy raw_c;
haftmann@31156:     fun check_args (syntax as (n, _)) = if n > Code.no_args thy c
haftmann@24423:       then error ("Too many arguments in syntax for constant " ^ quote c)
haftmann@24219:       else syntax;
haftmann@24219:   in case raw_syn
haftmann@24219:    of SOME syntax =>
haftmann@24219:       thy
haftmann@27024:       |> (map_name_syntax target o apsnd o apsnd)
haftmann@28663:            (Symtab.update (c, check_args syntax))
haftmann@28690:     | NONE =>
haftmann@24219:       thy
haftmann@27024:       |> (map_name_syntax target o apsnd o apsnd)
haftmann@28663:            (Symtab.delete_safe c)
haftmann@24219:   end;
haftmann@24219: 
haftmann@24219: fun add_reserved target =
haftmann@24219:   let
haftmann@24219:     fun add sym syms = if member (op =) syms sym
haftmann@24219:       then error ("Reserved symbol " ^ quote sym ^ " already declared")
haftmann@24219:       else insert (op =) sym syms
haftmann@27103:   in map_reserved target o add end;
haftmann@24992: 
haftmann@28926: fun gen_add_include read_const target args thy =
haftmann@24992:   let
haftmann@28926:     fun add (name, SOME (content, raw_cs)) incls =
haftmann@24992:           let
haftmann@24992:             val _ = if Symtab.defined incls name
haftmann@24992:               then warning ("Overwriting existing include " ^ name)
haftmann@24992:               else ();
haftmann@28926:             val cs = map (read_const thy) raw_cs;
haftmann@28926:           in Symtab.update (name, (str content, cs)) incls end
haftmann@28926:       | add (name, NONE) incls = Symtab.delete name incls;
haftmann@28926:   in map_includes target (add args) thy end;
haftmann@28926: 
haftmann@31156: val add_include = gen_add_include Code.check_const;
haftmann@31156: val add_include_cmd = gen_add_include Code.read_const;
haftmann@24219: 
haftmann@31013: fun add_module_alias target (thyname, modlname) =
haftmann@31013:   let
haftmann@31013:     val xs = Long_Name.explode modlname;
haftmann@31036:     val xs' = map (Name.desymbolize true) xs;
haftmann@31013:   in if xs' = xs
haftmann@31013:     then map_module_alias target (Symtab.update (thyname, modlname))
haftmann@31013:     else error ("Invalid module name: " ^ quote modlname ^ "\n"
haftmann@31013:       ^ "perhaps try " ^ quote (Long_Name.implode xs'))
haftmann@31013:   end;
haftmann@24219: 
haftmann@28663: fun gen_allow_abort prep_const raw_c thy =
haftmann@24841:   let
haftmann@28663:     val c = prep_const thy raw_c;
haftmann@28663:   in thy |> (CodeTargetData.map o apsnd) (insert (op =) c) end;
haftmann@24841: 
haftmann@24219: fun zip_list (x::xs) f g =
haftmann@24219:   f
haftmann@24219:   #-> (fn y =>
haftmann@24219:     fold_map (fn x => g |-- f >> pair x) xs
haftmann@24219:     #-> (fn xys => pair ((x, y) :: xys)));
haftmann@24219: 
haftmann@27000: 
haftmann@27103: (* concrete syntax *)
haftmann@27000: 
haftmann@24219: structure P = OuterParse
haftmann@24219: and K = OuterKeyword
haftmann@24219: 
haftmann@24219: fun parse_multi_syntax parse_thing parse_syntax =
haftmann@24219:   P.and_list1 parse_thing
haftmann@24219:   #-> (fn things => Scan.repeat1 (P.$$$ "(" |-- P.name --
haftmann@24219:         (zip_list things parse_syntax (P.$$$ "and")) --| P.$$$ ")"));
haftmann@24219: 
haftmann@24219: in
haftmann@24219: 
haftmann@24219: val add_syntax_class = gen_add_syntax_class cert_class (K I);
haftmann@24219: val add_syntax_inst = gen_add_syntax_inst cert_class cert_tyco;
haftmann@24219: val add_syntax_tyco = gen_add_syntax_tyco cert_tyco;
haftmann@24219: val add_syntax_const = gen_add_syntax_const (K I);
haftmann@27103: val allow_abort = gen_allow_abort (K I);
haftmann@28054: val add_reserved = add_reserved;
haftmann@24219: 
haftmann@31156: val add_syntax_class_cmd = gen_add_syntax_class read_class Code.read_const;
haftmann@24219: val add_syntax_inst_cmd = gen_add_syntax_inst read_class read_tyco;
haftmann@24219: val add_syntax_tyco_cmd = gen_add_syntax_tyco read_tyco;
haftmann@31156: val add_syntax_const_cmd = gen_add_syntax_const Code.read_const;
haftmann@31156: val allow_abort_cmd = gen_allow_abort Code.read_const;
haftmann@24219: 
haftmann@28064: fun the_literals thy =
haftmann@28064:   let
haftmann@28064:     val (targets, _) = CodeTargetData.get thy;
haftmann@28064:     fun literals target = case Symtab.lookup targets target
haftmann@28064:      of SOME data => (case the_serializer data
haftmann@28064:          of Serializer (_, literals) => literals
haftmann@28064:           | Extends (super, _) => literals super)
haftmann@28064:       | NONE => error ("Unknown code target language: " ^ quote target);
haftmann@28064:   in literals end;
haftmann@28064: 
wenzelm@24867: 
haftmann@28054: (** serializer usage **)
haftmann@28054: 
haftmann@28054: (* montage *)
haftmann@28054: 
haftmann@28663: local
haftmann@28663: 
haftmann@28663: fun labelled_name thy program name = case Graph.get_node program name
haftmann@31156:  of Code_Thingol.Fun (c, _) => quote (Code.string_of_const thy c)
haftmann@28663:   | Code_Thingol.Datatype (tyco, _) => "type " ^ quote (Sign.extern_type thy tyco)
haftmann@31156:   | Code_Thingol.Datatypecons (c, _) => quote (Code.string_of_const thy c)
haftmann@28663:   | Code_Thingol.Class (class, _) => "class " ^ quote (Sign.extern_class thy class)
haftmann@28663:   | Code_Thingol.Classrel (sub, super) => let
haftmann@28663:         val Code_Thingol.Class (sub, _) = Graph.get_node program sub
haftmann@28663:         val Code_Thingol.Class (super, _) = Graph.get_node program super
haftmann@28663:       in quote (Sign.extern_class thy sub ^ " < " ^ Sign.extern_class thy super) end
haftmann@31156:   | Code_Thingol.Classparam (c, _) => quote (Code.string_of_const thy c)
haftmann@28663:   | Code_Thingol.Classinst ((class, (tyco, _)), _) => let
haftmann@28663:         val Code_Thingol.Class (class, _) = Graph.get_node program class
haftmann@28663:         val Code_Thingol.Datatype (tyco, _) = Graph.get_node program tyco
haftmann@28663:       in quote (Sign.extern_type thy tyco ^ " :: " ^ Sign.extern_class thy class) end
haftmann@28663: 
haftmann@31056: fun activate_syntax lookup_name src_tab = Symtab.empty
haftmann@31056:   |> fold_map (fn thing_identifier => fn tab => case lookup_name thing_identifier
haftmann@31056:        of SOME name => (SOME name,
haftmann@31056:             Symtab.update_new (name, the (Symtab.lookup src_tab thing_identifier)) tab)
haftmann@31056:         | NONE => (NONE, tab)) (Symtab.keys src_tab)
haftmann@31056:   |>> map_filter I;
haftmann@31056: 
haftmann@31056: fun activate_const_syntax thy literals src_tab naming = (Symtab.empty, naming)
haftmann@31056:   |> fold_map (fn thing_identifier => fn (tab, naming) =>
haftmann@31056:       case Code_Thingol.lookup_const naming thing_identifier
haftmann@31056:        of SOME name => let
haftmann@31056:               val (syn, naming') = Code_Printer.activate_const_syntax thy
haftmann@31056:                 literals (the (Symtab.lookup src_tab thing_identifier)) naming
haftmann@31056:             in (SOME name, (Symtab.update_new (name, syn) tab, naming')) end
haftmann@31056:         | NONE => (NONE, (tab, naming))) (Symtab.keys src_tab)
haftmann@31056:   |>> map_filter I;
haftmann@31056: 
haftmann@31056: fun invoke_serializer thy abortable serializer literals reserved abs_includes 
haftmann@28663:     module_alias class instance tyco const module args naming program2 names1 =
haftmann@28054:   let
haftmann@31056:     val (names_class, class') =
haftmann@31056:       activate_syntax (Code_Thingol.lookup_class naming) class;
haftmann@28663:     val names_inst = map_filter (Code_Thingol.lookup_instance naming)
haftmann@30648:       (Symreltab.keys instance);
haftmann@31056:     val (names_tyco, tyco') =
haftmann@31056:       activate_syntax (Code_Thingol.lookup_tyco naming) tyco;
haftmann@31056:     val (names_const, (const', _)) =
haftmann@31056:       activate_const_syntax thy literals const naming;
haftmann@28663:     val names_hidden = names_class @ names_inst @ names_tyco @ names_const;
haftmann@28663:     val names2 = subtract (op =) names_hidden names1;
haftmann@28663:     val program3 = Graph.subgraph (not o member (op =) names_hidden) program2;
haftmann@30767:     val names_all = Graph.all_succs program3 names2;
haftmann@28926:     val includes = abs_includes names_all;
haftmann@28663:     val program4 = Graph.subgraph (member (op =) names_all) program3;
haftmann@28054:     val empty_funs = filter_out (member (op =) abortable)
haftmann@28054:       (Code_Thingol.empty_funs program3);
haftmann@30024:     val _ = if null empty_funs then () else error ("No code equations for "
haftmann@28663:       ^ commas (map (Sign.extern_const thy) empty_funs));
haftmann@28054:   in
haftmann@28663:     serializer module args (labelled_name thy program2) reserved includes
haftmann@28690:       (Symtab.lookup module_alias) (Symtab.lookup class')
haftmann@28663:       (Symtab.lookup tyco') (Symtab.lookup const')
haftmann@31056:       program4 names2
haftmann@28054:   end;
haftmann@28054: 
haftmann@28926: fun mount_serializer thy alt_serializer target module args naming program names =
haftmann@28054:   let
haftmann@28054:     val (targets, abortable) = CodeTargetData.get thy;
haftmann@28054:     fun collapse_hierarchy target =
haftmann@28054:       let
haftmann@28054:         val data = case Symtab.lookup targets target
haftmann@28054:          of SOME data => data
haftmann@28054:           | NONE => error ("Unknown code target language: " ^ quote target);
haftmann@28054:       in case the_serializer data
haftmann@28054:        of Serializer _ => (I, data)
haftmann@28054:         | Extends (super, modify) => let
haftmann@28054:             val (modify', data') = collapse_hierarchy super
haftmann@28663:           in (modify' #> modify naming, merge_target false target (data', data)) end
haftmann@28054:       end;
haftmann@28054:     val (modify, data) = collapse_hierarchy target;
haftmann@28064:     val (serializer, _) = the_default (case the_serializer data
haftmann@28054:      of Serializer seri => seri) alt_serializer;
haftmann@28054:     val reserved = the_reserved data;
haftmann@28926:     fun select_include names_all (name, (content, cs)) =
haftmann@28926:       if null cs then SOME (name, content)
haftmann@28926:       else if exists (fn c => case Code_Thingol.lookup_const naming c
haftmann@28926:        of SOME name => member (op =) names_all name
haftmann@28926:         | NONE => false) cs
haftmann@28926:       then SOME (name, content) else NONE;
haftmann@28926:     fun includes names_all = map_filter (select_include names_all)
haftmann@28926:       ((Symtab.dest o the_includes) data);
haftmann@28054:     val module_alias = the_module_alias data;
haftmann@28663:     val { class, instance, tyco, const } = the_name_syntax data;
haftmann@31056:     val literals = the_literals thy target;
haftmann@28054:   in
haftmann@31056:     invoke_serializer thy abortable serializer literals reserved
haftmann@28926:       includes module_alias class instance tyco const module args naming (modify program) names
haftmann@28054:   end;
haftmann@28054: 
haftmann@28663: in
haftmann@28663: 
haftmann@28054: fun serialize thy = mount_serializer thy NONE;
haftmann@28054: 
haftmann@28926: fun serialize_custom thy (target_name, seri) naming program names =
haftmann@28926:   mount_serializer thy (SOME seri) target_name NONE [] naming program names (String [])
haftmann@28054:   |> the;
haftmann@28054: 
haftmann@28663: end; (* local *)
haftmann@28663: 
haftmann@28054: fun parse_args f args =
haftmann@28054:   case Scan.read OuterLex.stopper f args
haftmann@28054:    of SOME x => x
haftmann@28054:     | NONE => error "Bad serializer arguments";
haftmann@28054: 
haftmann@28054: 
haftmann@28054: (* code presentation *)
haftmann@28054: 
haftmann@28663: fun code_of thy target module_name cs names_stmt =
haftmann@28054:   let
haftmann@28663:     val (names_cs, (naming, program)) = Code_Thingol.consts_program thy cs;
haftmann@28054:   in
haftmann@28690:     string (names_stmt naming) (serialize thy target (SOME module_name) []
haftmann@28663:       naming program names_cs)
haftmann@28054:   end;
haftmann@28054: 
haftmann@28054: 
haftmann@28054: (* code generation *)
haftmann@28054: 
haftmann@28663: fun transitivly_non_empty_funs thy naming program =
haftmann@28663:   let
haftmann@28663:     val cs = subtract (op =) (abort_allowed thy) (Code_Thingol.empty_funs program);
haftmann@28663:     val names = map_filter (Code_Thingol.lookup_const naming) cs;
haftmann@28663:   in subtract (op =) (Graph.all_preds program names) (Graph.keys program) end;
haftmann@28663: 
haftmann@28054: fun read_const_exprs thy cs =
haftmann@28054:   let
haftmann@31036:     val (cs1, cs2) = Code_Thingol.read_const_exprs thy cs;
haftmann@28663:     val (names3, (naming, program)) = Code_Thingol.consts_program thy cs2;
haftmann@28663:     val names4 = transitivly_non_empty_funs thy naming program;
haftmann@28054:     val cs5 = map_filter
haftmann@28663:       (fn (c, name) => if member (op =) names4 name then SOME c else NONE) (cs2 ~~ names3);
haftmann@28054:   in fold (insert (op =)) cs5 cs1 end;
haftmann@28054: 
haftmann@28054: fun cached_program thy = 
haftmann@28054:   let
haftmann@28663:     val (naming, program) = Code_Thingol.cached_program thy;
haftmann@28663:   in (transitivly_non_empty_funs thy naming program, (naming, program)) end
haftmann@28054: 
haftmann@28054: fun export_code thy cs seris =
haftmann@28054:   let
haftmann@28663:     val (cs', (naming, program)) = if null cs then cached_program thy
haftmann@28054:       else Code_Thingol.consts_program thy cs;
haftmann@28054:     fun mk_seri_dest dest = case dest
haftmann@28054:      of NONE => compile
haftmann@28054:       | SOME "-" => export
haftmann@28054:       | SOME f => file (Path.explode f)
haftmann@28054:     val _ = map (fn (((target, module), dest), args) =>
haftmann@28663:       (mk_seri_dest dest (serialize thy target module args naming program cs'))) seris;
haftmann@28054:   in () end;
haftmann@28054: 
haftmann@28054: fun export_code_cmd raw_cs seris thy = export_code thy (read_const_exprs thy raw_cs) seris;
haftmann@28054: 
haftmann@27103: 
haftmann@27304: (** Isar setup **)
haftmann@27103: 
haftmann@27103: val (inK, module_nameK, fileK) = ("in", "module_name", "file");
haftmann@27103: 
haftmann@30494: val code_exprP =
wenzelm@27757:   (Scan.repeat P.term_group
haftmann@27103:   -- Scan.repeat (P.$$$ inK |-- P.name
haftmann@27103:      -- Scan.option (P.$$$ module_nameK |-- P.name)
haftmann@27103:      -- Scan.option (P.$$$ fileK |-- P.name)
wenzelm@27809:      -- Scan.optional (P.$$$ "(" |-- Args.parse --| P.$$$ ")") []
haftmann@30494:   ) >> (fn (raw_cs, seris) => export_code_cmd raw_cs seris));
haftmann@27103: 
haftmann@28054: val _ = List.app OuterKeyword.keyword [inK, module_nameK, fileK];
wenzelm@24867: 
wenzelm@24867: val _ =
haftmann@24992:   OuterSyntax.command "code_class" "define code syntax for class" K.thy_decl (
haftmann@28690:     parse_multi_syntax P.xname (Scan.option P.string)
haftmann@24219:     >> (Toplevel.theory oo fold) (fn (target, syns) =>
haftmann@24219:           fold (fn (raw_class, syn) => add_syntax_class_cmd target raw_class syn) syns)
haftmann@24219:   );
haftmann@24219: 
wenzelm@24867: val _ =
haftmann@24992:   OuterSyntax.command "code_instance" "define code syntax for instance" K.thy_decl (
haftmann@24219:     parse_multi_syntax (P.xname --| P.$$$ "::" -- P.xname)
haftmann@24219:       ((P.minus >> K true) || Scan.succeed false)
haftmann@24219:     >> (Toplevel.theory oo fold) (fn (target, syns) =>
haftmann@24219:           fold (fn (raw_inst, add_del) => add_syntax_inst_cmd target raw_inst add_del) syns)
haftmann@24219:   );
haftmann@24219: 
wenzelm@24867: val _ =
haftmann@24992:   OuterSyntax.command "code_type" "define code syntax for type constructor" K.thy_decl (
haftmann@24219:     parse_multi_syntax P.xname (parse_syntax I)
haftmann@24219:     >> (Toplevel.theory oo fold) (fn (target, syns) =>
haftmann@24219:           fold (fn (raw_tyco, syn) => add_syntax_tyco_cmd target raw_tyco syn) syns)
haftmann@24219:   );
haftmann@24219: 
wenzelm@24867: val _ =
haftmann@24992:   OuterSyntax.command "code_const" "define code syntax for constant" K.thy_decl (
wenzelm@27757:     parse_multi_syntax P.term_group (parse_syntax fst)
haftmann@24219:     >> (Toplevel.theory oo fold) (fn (target, syns) =>
haftmann@28054:       fold (fn (raw_const, syn) => add_syntax_const_cmd target raw_const
haftmann@28054:         (Code_Printer.simple_const_syntax syn)) syns)
haftmann@24219:   );
haftmann@24219: 
wenzelm@24867: val _ =
haftmann@24992:   OuterSyntax.command "code_reserved" "declare words as reserved for target language" K.thy_decl (
haftmann@24219:     P.name -- Scan.repeat1 P.name
haftmann@24219:     >> (fn (target, reserveds) => (Toplevel.theory o fold (add_reserved target)) reserveds)
haftmann@24841:   );
haftmann@24219: 
wenzelm@24867: val _ =
haftmann@24992:   OuterSyntax.command "code_include" "declare piece of code to be included in generated code" K.thy_decl (
haftmann@28926:     P.name -- P.name -- (P.text :|-- (fn "-" => Scan.succeed NONE
haftmann@28926:       | s => Scan.optional (P.$$$ "attach" |-- Scan.repeat1 P.term) [] >> pair s >> SOME))
haftmann@28926:     >> (fn ((target, name), content_consts) =>
haftmann@28926:         (Toplevel.theory o add_include_cmd target) (name, content_consts))
haftmann@24992:   );
haftmann@24992: 
haftmann@24992: val _ =
haftmann@24992:   OuterSyntax.command "code_modulename" "alias module to other name" K.thy_decl (
haftmann@24219:     P.name -- Scan.repeat1 (P.name -- P.name)
haftmann@27103:     >> (fn (target, modlnames) => (Toplevel.theory o fold (add_module_alias target)) modlnames)
haftmann@27103:   );
haftmann@27103: 
haftmann@27103: val _ =
haftmann@27103:   OuterSyntax.command "code_abort" "permit constant to be implemented as program abort" K.thy_decl (
wenzelm@27757:     Scan.repeat1 P.term_group >> (Toplevel.theory o fold allow_abort_cmd)
haftmann@24841:   );
haftmann@24219: 
wenzelm@24867: val _ =
haftmann@27103:   OuterSyntax.command "export_code" "generate executable code for constants"
haftmann@30494:     K.diag (P.!!! code_exprP >> (fn f => Toplevel.keep (f o Toplevel.theory_of)));
haftmann@30494: 
haftmann@30494: fun shell_command thyname cmd = Toplevel.program (fn _ =>
haftmann@30494:   (use_thy thyname; case Scan.read OuterLex.stopper (P.!!! code_exprP)
haftmann@30494:     ((filter OuterLex.is_proper o OuterSyntax.scan Position.none) cmd)
haftmann@30494:    of SOME f => (writeln "Now generating code..."; f (theory thyname))
haftmann@30494:     | NONE => error ("Bad directive " ^ quote cmd)))
haftmann@30494:   handle TOPLEVEL_ERROR => OS.Process.exit OS.Process.failure;
haftmann@27103: 
haftmann@24219: end; (*local*)
haftmann@24219: 
haftmann@24219: end; (*struct*)