haftmann@37745: (*  Title:      Tools/Code/code_target.ML
haftmann@24219:     Author:     Florian Haftmann, TU Muenchen
haftmann@24219: 
haftmann@38910: Generic infrastructure for target language data.
haftmann@24219: *)
haftmann@24219: 
haftmann@24219: signature CODE_TARGET =
haftmann@24219: sig
haftmann@36471:   val cert_tyco: theory -> string -> string
haftmann@36471:   val read_tyco: theory -> string -> string
haftmann@39057:   val read_const_exprs: theory -> string list -> string list
haftmann@36471: 
haftmann@38933:   val export_code_for: theory -> Path.T option -> string -> int option -> string -> Token.T list
haftmann@38918:     -> Code_Thingol.naming -> Code_Thingol.program -> string list -> unit
haftmann@38933:   val produce_code_for: theory -> string -> int option -> string -> Token.T list
haftmann@38929:     -> Code_Thingol.naming -> Code_Thingol.program -> string list -> string * string option list
haftmann@38933:   val present_code_for: theory -> string -> int option -> string -> Token.T list
haftmann@38929:     -> Code_Thingol.naming -> Code_Thingol.program -> string list * string list -> string
haftmann@38918:   val check_code_for: theory -> string -> bool -> Token.T list
haftmann@38918:     -> Code_Thingol.naming -> Code_Thingol.program -> string list -> unit
haftmann@38918: 
haftmann@38918:   val export_code: theory -> string list
haftmann@38933:     -> (((string * string) * Path.T option) * Token.T list) list -> unit
haftmann@38929:   val produce_code: theory -> string list
haftmann@38933:     -> string -> int option -> string -> Token.T list -> string * string option list
haftmann@38929:   val present_code: theory -> string list -> (Code_Thingol.naming -> string list)
haftmann@38933:     -> string -> int option -> string -> Token.T list -> string
haftmann@38918:   val check_code: theory -> string list
haftmann@38918:     -> ((string * bool) * Token.T list) list -> unit
haftmann@38918: 
haftmann@28054:   type serializer
haftmann@34152:   type literals = Code_Printer.literals
haftmann@37822:   val add_target: string * { serializer: serializer, literals: literals,
haftmann@37822:     check: { env_var: string, make_destination: Path.T -> Path.T,
haftmann@38863:       make_command: string -> string -> string } } -> 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@38918:   val the_literals: theory -> string -> literals
haftmann@28054:   type serialization
wenzelm@36959:   val parse_args: 'a parser -> Token.T list -> 'a
haftmann@38916:   val serialization: (int -> Path.T option -> 'a -> unit)
haftmann@39102:     -> (string list -> int -> 'a -> string * (string -> string option))
haftmann@38925:     -> 'a -> serialization
haftmann@38918:   val set_default_code_width: int -> theory -> theory
haftmann@38917: 
haftmann@28054:   val allow_abort: string -> theory -> theory
haftmann@34152:   type tyco_syntax = Code_Printer.tyco_syntax
haftmann@37876:   type const_syntax = Code_Printer.const_syntax
haftmann@38923:   val add_class_syntax: string -> class -> string option -> theory -> theory
haftmann@38923:   val add_instance_syntax: string -> class * string -> unit option -> theory -> theory
haftmann@38923:   val add_tyco_syntax: string -> string -> tyco_syntax option -> theory -> theory
haftmann@38923:   val add_const_syntax: string -> string -> const_syntax option -> theory -> theory
haftmann@28054:   val add_reserved: string -> string -> theory -> theory
haftmann@33969:   val add_include: string -> string * (string * string list) option -> theory -> theory
haftmann@39646: 
haftmann@39750:   val codegen_tool: string (*theory name*) -> string (*export_code expr*) -> unit
haftmann@24219: end;
haftmann@24219: 
haftmann@28054: structure Code_Target : CODE_TARGET =
haftmann@24219: struct
haftmann@24219: 
haftmann@28054: open Basic_Code_Thingol;
haftmann@34152: 
haftmann@34152: type literals = Code_Printer.literals;
haftmann@34152: type tyco_syntax = Code_Printer.tyco_syntax;
haftmann@37876: type const_syntax = Code_Printer.const_syntax;
haftmann@34152: 
haftmann@24219: 
haftmann@38923: (** abstract nonsense **)
haftmann@24219: 
haftmann@38929: datatype destination = Export of Path.T option | Produce | Present of string list;
haftmann@39102: type serialization = int -> destination -> (string * (string -> string option)) option;
haftmann@27014: 
haftmann@39659: fun serialization output _ content width (Export some_path) =
haftmann@39661:       (output width some_path content; NONE)
haftmann@39661:   | serialization _ string content width Produce =
haftmann@39661:       string [] width content |> SOME
haftmann@39659:   | serialization _ string content width (Present stmt_names) =
haftmann@39661:      string stmt_names width content
haftmann@39661:      |> apfst (Pretty.output (SOME width) o Pretty.str)
haftmann@39661:      |> SOME;
haftmann@39659: 
haftmann@39661: fun export some_path f = (f (Export some_path); ());
haftmann@39661: fun produce f = the (f Produce);
haftmann@39661: fun present stmt_names f = fst (the (f (Present stmt_names)));
haftmann@38917: 
haftmann@24219: 
haftmann@28054: (** theory data **)
haftmann@28054: 
haftmann@38923: datatype symbol_syntax_data = Symbol_Syntax_Data of {
haftmann@28690:   class: string Symtab.table,
haftmann@30648:   instance: unit Symreltab.table,
haftmann@34152:   tyco: Code_Printer.tyco_syntax Symtab.table,
haftmann@37876:   const: Code_Printer.const_syntax Symtab.table
haftmann@28054: };
haftmann@27000: 
haftmann@38923: fun make_symbol_syntax_data ((class, instance), (tyco, const)) =
haftmann@38923:   Symbol_Syntax_Data { class = class, instance = instance, tyco = tyco, const = const };
haftmann@38923: fun map_symbol_syntax_data f (Symbol_Syntax_Data { class, instance, tyco, const }) =
haftmann@38923:   make_symbol_syntax_data (f ((class, instance), (tyco, const)));
haftmann@38923: fun merge_symbol_syntax_data
haftmann@38923:   (Symbol_Syntax_Data { class = class1, instance = instance1, tyco = tyco1, const = const1 },
haftmann@38923:     Symbol_Syntax_Data { class = class2, instance = instance2, tyco = tyco2, const = const2 }) =
haftmann@38923:   make_symbol_syntax_data (
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@39142: type serializer = Token.T list
haftmann@39142:   -> {
haftmann@38926:     labelled_name: string -> string,
haftmann@38926:     reserved_syms: string list,
haftmann@38926:     includes: (string * Pretty.T) list,
haftmann@38926:     module_alias: string -> string option,
haftmann@38926:     class_syntax: string -> string option,
haftmann@38926:     tyco_syntax: string -> Code_Printer.tyco_syntax option,
haftmann@38926:     const_syntax: string -> Code_Printer.activated_const_syntax option,
haftmann@39142:     program: Code_Thingol.program }
haftmann@28054:   -> serialization;
haftmann@27000: 
haftmann@38909: datatype description = Fundamental of { serializer: serializer,
haftmann@38910:       literals: literals,
haftmann@37822:       check: { env_var: string, make_destination: Path.T -> Path.T,
haftmann@38863:         make_command: string -> string -> string } }
haftmann@38909:   | Extension of string *
haftmann@38909:       (Code_Thingol.naming -> Code_Thingol.program -> Code_Thingol.program);
haftmann@28054: 
haftmann@28054: datatype target = Target of {
haftmann@28054:   serial: serial,
haftmann@37821:   description: description,
haftmann@28054:   reserved: string list,
haftmann@28926:   includes: (Pretty.T * string list) Symtab.table,
haftmann@38925:   module_alias: string Symtab.table,
haftmann@38925:   symbol_syntax: symbol_syntax_data
haftmann@28054: };
haftmann@27103: 
haftmann@38925: fun make_target ((serial, description), ((reserved, includes), (module_alias, symbol_syntax))) =
haftmann@37821:   Target { serial = serial, description = description, reserved = reserved, 
haftmann@38925:     includes = includes, module_alias = module_alias, symbol_syntax = symbol_syntax };
haftmann@38925: fun map_target f ( Target { serial, description, reserved, includes, module_alias, symbol_syntax } ) =
haftmann@38925:   make_target (f ((serial, description), ((reserved, includes), (module_alias, symbol_syntax))));
haftmann@37821: fun merge_target strict target (Target { serial = serial1, description = description,
haftmann@28054:   reserved = reserved1, includes = includes1,
haftmann@38925:   module_alias = module_alias1, symbol_syntax = symbol_syntax1 },
haftmann@37821:     Target { serial = serial2, description = _,
haftmann@28054:       reserved = reserved2, includes = includes2,
haftmann@38925:       module_alias = module_alias2, symbol_syntax = symbol_syntax2 }) =
haftmann@28054:   if serial1 = serial2 orelse not strict then
haftmann@37821:     make_target ((serial1, description),
haftmann@37972:       ((merge (op =) (reserved1, reserved2), Symtab.join (K snd) (includes1, includes2)),
haftmann@38925:         (Symtab.join (K snd) (module_alias1, module_alias2),
haftmann@38925:           merge_symbol_syntax_data (symbol_syntax1, symbol_syntax2))
haftmann@28054:     ))
haftmann@28054:   else
haftmann@37821:     error ("Incompatible targets: " ^ quote target);
haftmann@27103: 
haftmann@37821: fun the_description (Target { description, ... }) = description;
haftmann@28054: fun the_reserved (Target { reserved, ... }) = reserved;
haftmann@28054: fun the_includes (Target { includes, ... }) = includes;
haftmann@28054: fun the_module_alias (Target { module_alias , ... }) = module_alias;
haftmann@38925: fun the_symbol_syntax (Target { symbol_syntax = Symbol_Syntax_Data x, ... }) = x;
haftmann@27437: 
haftmann@34248: structure Targets = Theory_Data
haftmann@34071: (
haftmann@34071:   type T = (target Symtab.table * string list) * int;
haftmann@34071:   val empty = ((Symtab.empty, []), 80);
haftmann@34071:   val extend = I;
haftmann@34071:   fun merge (((target1, exc1), width1), ((target2, exc2), width2)) : T =
haftmann@34071:     ((Symtab.join (merge_target true) (target1, target2),
haftmann@34071:       Library.merge (op =) (exc1, exc2)), Int.max (width1, width2));
haftmann@34071: );
haftmann@27436: 
haftmann@34248: val abort_allowed = snd o fst o Targets.get;
haftmann@34071: 
haftmann@34248: fun assert_target thy target = if Symtab.defined ((fst o fst) (Targets.get thy)) target
haftmann@33969:   then target
haftmann@33969:   else error ("Unknown code target language: " ^ quote target);
haftmann@28054: 
haftmann@28054: fun put_target (target, seri) thy =
haftmann@27304:   let
haftmann@34248:     val lookup_target = Symtab.lookup ((fst o fst) (Targets.get thy));
haftmann@28054:     val _ = case seri
haftmann@37821:      of Extension (super, _) => if is_some (lookup_target super) then ()
haftmann@28054:           else error ("Unknown code target language: " ^ quote super)
haftmann@28054:       | _ => ();
haftmann@37821:     val overwriting = case (Option.map the_description o lookup_target) target
haftmann@28663:      of NONE => false
haftmann@37821:       | SOME (Extension _) => true
haftmann@37821:       | SOME (Fundamental _) => (case seri
haftmann@37821:          of Extension _ => 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@34248:     |> (Targets.map o apfst o apfst o Symtab.update)
haftmann@31599:           (target, make_target ((serial (), seri), (([], Symtab.empty),
haftmann@38925:             (Symtab.empty, make_symbol_syntax_data ((Symtab.empty, Symreltab.empty),
haftmann@38925:               (Symtab.empty, Symtab.empty))))))
haftmann@28054:   end;
haftmann@27436: 
haftmann@37821: fun add_target (target, seri) = put_target (target, Fundamental seri);
haftmann@28054: fun extend_target (target, (super, modify)) =
haftmann@37821:   put_target (target, Extension (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@34248:     |> (Targets.map o apfst 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_module_alias target =
haftmann@38925:   map_target_data target o apsnd o apsnd o apfst;
haftmann@38925: fun map_symbol_syntax target =
haftmann@38925:   map_target_data target o apsnd o apsnd o apsnd o map_symbol_syntax_data;
haftmann@27000: 
haftmann@34248: fun set_default_code_width k = (Targets.map o apsnd) (K k);
haftmann@34071: 
haftmann@27000: 
haftmann@34021: (** serializer usage **)
haftmann@34021: 
haftmann@34021: (* montage *)
haftmann@34021: 
haftmann@37822: fun the_fundamental thy =
haftmann@34021:   let
haftmann@34248:     val ((targets, _), _) = Targets.get thy;
haftmann@37822:     fun fundamental target = case Symtab.lookup targets target
haftmann@37821:      of SOME data => (case the_description data
haftmann@37822:          of Fundamental data => data
haftmann@37822:           | Extension (super, _) => fundamental super)
haftmann@34021:       | NONE => error ("Unknown code target language: " ^ quote target);
haftmann@37822:   in fundamental end;
haftmann@37822: 
haftmann@37822: fun the_literals thy = #literals o the_fundamental thy;
haftmann@34021: 
haftmann@34021: local
haftmann@34021: 
haftmann@39484: fun activate_target thy target =
haftmann@38927:   let
haftmann@38927:     val ((targets, abortable), default_width) = Targets.get thy;
haftmann@38927:     fun collapse_hierarchy target =
haftmann@38927:       let
haftmann@38927:         val data = case Symtab.lookup targets target
haftmann@38927:          of SOME data => data
haftmann@38927:           | NONE => error ("Unknown code target language: " ^ quote target);
haftmann@38927:       in case the_description data
haftmann@39484:        of Fundamental _ => (K I, data)
haftmann@38927:         | Extension (super, modify) => let
haftmann@38927:             val (modify', data') = collapse_hierarchy super
haftmann@39484:           in (fn naming => modify' naming #> modify naming, merge_target false target (data', data)) end
haftmann@38927:       end;
haftmann@38927:     val (modify, data) = collapse_hierarchy target;
haftmann@39484:   in (default_width, abortable, data, modify) end;
haftmann@38927: 
haftmann@34021: fun activate_syntax lookup_name src_tab = Symtab.empty
haftmann@34021:   |> fold_map (fn thing_identifier => fn tab => case lookup_name thing_identifier
haftmann@34021:        of SOME name => (SOME name,
haftmann@34021:             Symtab.update_new (name, the (Symtab.lookup src_tab thing_identifier)) tab)
haftmann@34021:         | NONE => (NONE, tab)) (Symtab.keys src_tab)
haftmann@34021:   |>> map_filter I;
haftmann@34021: 
haftmann@34021: fun activate_const_syntax thy literals src_tab naming = (Symtab.empty, naming)
haftmann@37881:   |> fold_map (fn c => fn (tab, naming) =>
haftmann@37881:       case Code_Thingol.lookup_const naming c
haftmann@34021:        of SOME name => let
haftmann@34021:               val (syn, naming') = Code_Printer.activate_const_syntax thy
haftmann@37881:                 literals c (the (Symtab.lookup src_tab c)) naming
haftmann@34021:             in (SOME name, (Symtab.update_new (name, syn) tab, naming')) end
haftmann@34021:         | NONE => (NONE, (tab, naming))) (Symtab.keys src_tab)
haftmann@34021:   |>> map_filter I;
haftmann@34021: 
haftmann@38927: fun activate_symbol_syntax thy literals naming
haftmann@38927:     class_syntax instance_syntax tyco_syntax const_syntax =
haftmann@34021:   let
haftmann@38927:     val (names_class, class_syntax') =
haftmann@38927:       activate_syntax (Code_Thingol.lookup_class naming) class_syntax;
haftmann@34021:     val names_inst = map_filter (Code_Thingol.lookup_instance naming)
haftmann@38927:       (Symreltab.keys instance_syntax);
haftmann@38927:     val (names_tyco, tyco_syntax') =
haftmann@38927:       activate_syntax (Code_Thingol.lookup_tyco naming) tyco_syntax;
haftmann@38927:     val (names_const, (const_syntax', _)) =
haftmann@38927:       activate_const_syntax thy literals const_syntax naming;
haftmann@38927:   in
haftmann@38927:     (names_class @ names_inst @ names_tyco @ names_const,
haftmann@38927:       (class_syntax', tyco_syntax', const_syntax'))
haftmann@38927:   end;
haftmann@38927: 
haftmann@38927: fun project_program thy abortable names_hidden names1 program2 =
haftmann@38927:   let
haftmann@34021:     val names2 = subtract (op =) names_hidden names1;
haftmann@34021:     val program3 = Graph.subgraph (not o member (op =) names_hidden) program2;
haftmann@38936:     val names4 = Graph.all_succs program3 names2;
haftmann@34021:     val empty_funs = filter_out (member (op =) abortable)
haftmann@34021:       (Code_Thingol.empty_funs program3);
haftmann@34021:     val _ = if null empty_funs then () else error ("No code equations for "
haftmann@34021:       ^ commas (map (Sign.extern_const thy) empty_funs));
haftmann@38936:     val program4 = Graph.subgraph (member (op =) names4) program3;
haftmann@38936:   in (names4, program4) end;
haftmann@38927: 
haftmann@39484: fun invoke_serializer thy abortable serializer literals reserved all_includes
haftmann@38927:     module_alias proto_class_syntax proto_instance_syntax proto_tyco_syntax proto_const_syntax
haftmann@39058:     module_name args naming proto_program names =
haftmann@38927:   let
haftmann@38927:     val (names_hidden, (class_syntax, tyco_syntax, const_syntax)) =
haftmann@38927:       activate_symbol_syntax thy literals naming
haftmann@38927:         proto_class_syntax proto_instance_syntax proto_tyco_syntax proto_const_syntax;
haftmann@38927:     val (names_all, program) = project_program thy abortable names_hidden names proto_program;
haftmann@39484:     fun select_include (name, (content, cs)) =
haftmann@39484:       if null cs orelse exists (fn c => case Code_Thingol.lookup_const naming c
haftmann@39484:        of SOME name => member (op =) names_all name
haftmann@39484:         | NONE => false) cs
haftmann@39484:       then SOME (name, content) else NONE;
haftmann@39484:     val includes = map_filter select_include (Symtab.dest all_includes);
haftmann@34021:   in
haftmann@38926:     serializer args {
haftmann@38927:       labelled_name = Code_Thingol.labelled_name thy proto_program,
haftmann@38926:       reserved_syms = reserved,
haftmann@38926:       includes = includes,
haftmann@38933:       module_alias = if module_name = "" then Symtab.lookup module_alias else K (SOME module_name),
haftmann@38927:       class_syntax = Symtab.lookup class_syntax,
haftmann@38927:       tyco_syntax = Symtab.lookup tyco_syntax,
haftmann@38927:       const_syntax = Symtab.lookup const_syntax,
haftmann@39142:       program = program }
haftmann@34021:   end;
haftmann@34021: 
haftmann@39484: fun mount_serializer thy target some_width module_name args =
haftmann@34021:   let
haftmann@39484:     val (default_width, abortable, data, modify) = activate_target thy target;
haftmann@38921:     val serializer = case the_description data
haftmann@38927:      of Fundamental seri => #serializer seri;
haftmann@34021:     val reserved = the_reserved data;
haftmann@38779:     val module_alias = the_module_alias data 
haftmann@38925:     val { class, instance, tyco, const } = the_symbol_syntax data;
haftmann@34021:     val literals = the_literals thy target;
haftmann@34071:     val width = the_default default_width some_width;
haftmann@39484:   in fn naming => fn program => fn names =>
haftmann@34021:     invoke_serializer thy abortable serializer literals reserved
haftmann@39484:       (the_includes data) module_alias class instance tyco const module_name args
haftmann@39484:         naming (modify naming program) names width
haftmann@34021:   end;
haftmann@34021: 
haftmann@38933: fun assert_module_name "" = error ("Empty module name not allowed.")
haftmann@38933:   | assert_module_name module_name = module_name;
haftmann@38933: 
haftmann@34021: in
haftmann@34021: 
haftmann@39484: fun export_code_for thy some_path target some_width module_name args =
haftmann@39661:   export some_path ooo mount_serializer thy target some_width module_name args;
haftmann@38918: 
haftmann@39484: fun produce_code_for thy target some_width module_name args =
haftmann@39102:   let
haftmann@39484:     val serializer = mount_serializer thy target some_width (assert_module_name module_name) args;
haftmann@39484:   in fn naming => fn program => fn names =>
haftmann@39661:     produce (serializer naming program names) |> apsnd (fn deresolve => map deresolve names)
haftmann@39484:   end;
haftmann@38929: 
haftmann@39484: fun present_code_for thy target some_width module_name args =
haftmann@39484:   let
haftmann@39484:     val serializer = mount_serializer thy target some_width (assert_module_name module_name) args;
haftmann@39484:   in fn naming => fn program => fn (names, selects) =>
haftmann@39661:     present selects (serializer naming program names)
haftmann@39484:   end;
haftmann@38918: 
haftmann@38918: fun check_code_for thy target strict args naming program names_cs =
haftmann@37824:   let
haftmann@38933:     val module_name = "Code";
haftmann@37824:     val { env_var, make_destination, make_command } =
haftmann@37824:       (#check o the_fundamental thy) target;
haftmann@37824:     val env_param = getenv env_var;
haftmann@37824:     fun ext_check env_param p =
haftmann@37824:       let 
haftmann@37824:         val destination = make_destination p;
haftmann@38929:         val _ = export (SOME destination) (mount_serializer thy target (SOME 80)
haftmann@39661:           module_name args naming program names_cs);
haftmann@38863:         val cmd = make_command env_param module_name;
haftmann@37824:       in if bash ("cd " ^ File.shell_path p ^ " && " ^ cmd ^ " 2>&1") <> 0
haftmann@37824:         then error ("Code check failed for " ^ target ^ ": " ^ cmd)
haftmann@37824:         else ()
haftmann@37824:       end;
haftmann@37824:   in if env_param = ""
haftmann@37825:     then if strict
haftmann@37825:       then error (env_var ^ " not set; cannot check code for " ^ target)
haftmann@37825:       else warning (env_var ^ " not set; skipped checking code for " ^ target)
haftmann@37824:     else Cache_IO.with_tmp_dir "Code_Test" (ext_check env_param)
haftmann@37824:   end;
haftmann@37824: 
haftmann@34021: end; (* local *)
haftmann@34021: 
haftmann@34021: 
haftmann@34021: (* code generation *)
haftmann@34021: 
haftmann@34021: fun transitivly_non_empty_funs thy naming program =
haftmann@34021:   let
haftmann@34021:     val cs = subtract (op =) (abort_allowed thy) (Code_Thingol.empty_funs program);
haftmann@34021:     val names = map_filter (Code_Thingol.lookup_const naming) cs;
haftmann@34021:   in subtract (op =) (Graph.all_preds program names) (Graph.keys program) end;
haftmann@34021: 
haftmann@34021: fun read_const_exprs thy cs =
haftmann@34021:   let
haftmann@34021:     val (cs1, cs2) = Code_Thingol.read_const_exprs thy cs;
haftmann@36271:     val (names2, (naming, program)) = Code_Thingol.consts_program thy true cs2;
haftmann@36271:     val names3 = transitivly_non_empty_funs thy naming program;
haftmann@36271:     val cs3 = map_filter (fn (c, name) =>
haftmann@36271:       if member (op =) names3 name then SOME c else NONE) (cs2 ~~ names2);
haftmann@36271:   in union (op =) cs3 cs1 end;
haftmann@34021: 
haftmann@38918: fun prep_destination "" = NONE
haftmann@38918:   | prep_destination "-" = NONE
haftmann@38918:   | prep_destination s = SOME (Path.explode s);
haftmann@38918: 
haftmann@34021: fun export_code thy cs seris =
haftmann@34021:   let
haftmann@37824:     val (names_cs, (naming, program)) = Code_Thingol.consts_program thy false cs;
haftmann@38918:     val _ = map (fn (((target, module_name), some_path), args) =>
haftmann@38918:       export_code_for thy some_path target NONE module_name args naming program names_cs) seris;
haftmann@34021:   in () end;
haftmann@34021: 
haftmann@38918: fun export_code_cmd raw_cs seris thy = export_code thy (read_const_exprs thy raw_cs)
haftmann@38918:   ((map o apfst o apsnd) prep_destination seris);
haftmann@38918: 
haftmann@38929: fun produce_code thy cs target some_width some_module_name args =
haftmann@38918:   let
haftmann@38918:     val (names_cs, (naming, program)) = Code_Thingol.consts_program thy false cs;
haftmann@38929:   in produce_code_for thy target some_width some_module_name args naming program names_cs end;
haftmann@38929: 
haftmann@38929: fun present_code thy cs names_stmt target some_width some_module_name args =
haftmann@38929:   let
haftmann@38929:     val (names_cs, (naming, program)) = Code_Thingol.consts_program thy false cs;
haftmann@38929:   in present_code_for thy target some_width some_module_name args naming program (names_cs, names_stmt naming) end;
haftmann@34021: 
haftmann@37824: fun check_code thy cs seris =
haftmann@37824:   let
haftmann@37824:     val (names_cs, (naming, program)) = Code_Thingol.consts_program thy false cs;
haftmann@38918:     val _ = map (fn ((target, strict), args) =>
haftmann@38918:       check_code_for thy target strict args naming program names_cs) seris;
haftmann@37824:   in () end;
haftmann@37824: 
haftmann@37824: fun check_code_cmd raw_cs seris thy = check_code thy (read_const_exprs thy raw_cs) seris;
haftmann@37824: 
haftmann@39480: local
haftmann@39480: 
haftmann@39480: val parse_const_terms = Scan.repeat1 Args.term
haftmann@39480:   >> (fn ts => fn thy => map (Code.check_const thy) ts);
haftmann@39480: 
haftmann@39480: fun parse_names category parse internalize lookup =
haftmann@39480:   Scan.lift (Args.parens (Args.$$$ category)) |-- Scan.repeat1 parse
haftmann@39480:   >> (fn xs => fn thy => fn naming => map_filter (lookup naming o internalize thy) xs);
haftmann@39480:   
haftmann@39480: val parse_consts = parse_names "consts" Args.term
haftmann@39480:   Code.check_const Code_Thingol.lookup_const ;
haftmann@39480: 
haftmann@39480: val parse_types = parse_names "types" (Scan.lift Args.name)
haftmann@39480:   Sign.intern_type Code_Thingol.lookup_tyco;
haftmann@39480: 
haftmann@39480: val parse_classes = parse_names "classes" (Scan.lift Args.name)
haftmann@39480:   Sign.intern_class Code_Thingol.lookup_class;
haftmann@39480: 
haftmann@39480: val parse_instances = parse_names "instances" (Scan.lift (Args.name --| Args.$$$ "::" -- Args.name))
haftmann@39480:   (fn thy => fn (raw_tyco, raw_class) => (Sign.intern_class thy raw_class, Sign.intern_type thy raw_tyco))
haftmann@39480:     Code_Thingol.lookup_instance;
haftmann@39480: 
haftmann@39480: in
haftmann@39480: 
haftmann@39480: val _ = Thy_Output.antiquotation "code_stmts"
haftmann@39480:   (parse_const_terms -- Scan.repeat (parse_consts || parse_types || parse_classes || parse_instances)
haftmann@39480:     -- Scan.lift (Args.parens (Args.name -- Scan.option Parse.int)))
haftmann@39480:   (fn {context = ctxt, ...} => fn ((mk_cs, mk_stmtss), (target, some_width)) =>
haftmann@39480:     let val thy = ProofContext.theory_of ctxt in
haftmann@39480:       present_code thy (mk_cs thy)
haftmann@39480:         (fn naming => maps (fn f => f thy naming) mk_stmtss)
haftmann@39480:         target some_width "Example" []
haftmann@39480:     end);
haftmann@39480: 
haftmann@39480: end;
haftmann@39480: 
haftmann@34021: 
haftmann@28054: (** serializer configuration **)
haftmann@27000: 
haftmann@27000: (* data access *)
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@34071: fun cert_inst thy (class, tyco) =
haftmann@34071:   (cert_class thy class, cert_tyco thy tyco);
haftmann@34071: 
haftmann@34071: fun read_inst thy (raw_tyco, raw_class) =
haftmann@34071:   (read_class thy raw_class, read_tyco thy raw_tyco);
haftmann@34071: 
haftmann@37844: fun gen_add_syntax (mapp, upd, del) prep_x prep_syn target raw_x some_raw_syn thy =
haftmann@24219:   let
haftmann@37840:     val x = prep_x thy raw_x;
haftmann@37844:     val change = case some_raw_syn
haftmann@37844:      of SOME raw_syn => upd (x, prep_syn thy x raw_syn)
haftmann@37844:       | NONE => del x;
haftmann@38925:   in (map_symbol_syntax target o mapp) change thy end;
haftmann@24219: 
haftmann@38923: fun gen_add_class_syntax prep_class =
haftmann@37844:   gen_add_syntax (apfst o apfst, Symtab.update, Symtab.delete_safe) prep_class ((K o K) I);
haftmann@34071: 
haftmann@38923: fun gen_add_instance_syntax prep_inst =
haftmann@37844:   gen_add_syntax (apfst o apsnd, Symreltab.update, Symreltab.delete_safe) prep_inst ((K o K) I);
haftmann@24219: 
haftmann@38923: fun gen_add_tyco_syntax prep_tyco =
haftmann@37844:   gen_add_syntax (apsnd o apfst, Symtab.update, Symtab.delete_safe) prep_tyco
haftmann@37844:     (fn thy => fn tyco => fn syn => if fst syn <> Sign.arity_number thy tyco
haftmann@34071:       then error ("Number of arguments mismatch in syntax for type constructor " ^ quote tyco)
haftmann@37844:       else syn);
haftmann@34071: 
haftmann@38923: fun gen_add_const_syntax prep_const =
haftmann@37844:   gen_add_syntax (apsnd o apsnd, Symtab.update, Symtab.delete_safe) prep_const
haftmann@37881:     (fn thy => fn c => fn syn =>
haftmann@37881:       if Code_Printer.requires_args syn > Code.args_number thy c
haftmann@24423:       then error ("Too many arguments in syntax for constant " ^ quote c)
haftmann@37881:       else syn);
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@34152:           in Symtab.update (name, (Code_Printer.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@33969: val add_include = gen_add_include (K I);
haftmann@31156: val add_include_cmd = gen_add_include Code.read_const;
haftmann@24219: 
haftmann@38933: fun add_module_alias target (thyname, "") =
haftmann@38933:       map_module_alias target (Symtab.delete thyname)
haftmann@38933:   | add_module_alias target (thyname, modlname) =
haftmann@38933:       let
haftmann@38933:         val xs = Long_Name.explode modlname;
haftmann@38933:         val xs' = map (Name.desymbolize true) xs;
haftmann@38933:       in if xs' = xs
haftmann@38933:         then map_module_alias target (Symtab.update (thyname, modlname))
haftmann@38933:         else error ("Invalid module name: " ^ quote modlname ^ "\n"
haftmann@38933:           ^ "perhaps try " ^ quote (Long_Name.implode xs'))
haftmann@38933:       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@34248:   in thy |> (Targets.map o apfst o apsnd) (insert (op =) c) end;
haftmann@24841: 
haftmann@27000: 
haftmann@27103: (* concrete syntax *)
haftmann@27000: 
haftmann@34021: local
haftmann@34021: 
haftmann@34152: fun zip_list (x::xs) f g =
haftmann@34152:   f
haftmann@37881:   :|-- (fn y =>
haftmann@34152:     fold_map (fn x => g |-- f >> pair x) xs
haftmann@37881:     :|-- (fn xys => pair ((x, y) :: xys)));
haftmann@34152: 
haftmann@37881: fun process_multi_syntax parse_thing parse_syntax change =
haftmann@37881:   (Parse.and_list1 parse_thing
haftmann@37881:   :|-- (fn things => Scan.repeat1 (Parse.$$$ "(" |-- Parse.name --
haftmann@37881:         (zip_list things parse_syntax (Parse.$$$ "and")) --| Parse.$$$ ")")))
haftmann@37881:   >> (Toplevel.theory oo fold)
haftmann@37881:     (fn (target, syns) => fold (fn (raw_x, syn) => change target raw_x syn) syns);
haftmann@24219: 
haftmann@24219: in
haftmann@24219: 
haftmann@38923: val add_class_syntax = gen_add_class_syntax cert_class;
haftmann@38923: val add_instance_syntax = gen_add_instance_syntax cert_inst;
haftmann@38923: val add_tyco_syntax = gen_add_tyco_syntax cert_tyco;
haftmann@38923: val add_const_syntax = gen_add_const_syntax (K I);
haftmann@27103: val allow_abort = gen_allow_abort (K I);
haftmann@28054: val add_reserved = add_reserved;
haftmann@33969: val add_include = add_include;
haftmann@24219: 
haftmann@38923: val add_class_syntax_cmd = gen_add_class_syntax read_class;
haftmann@38923: val add_instance_syntax_cmd = gen_add_instance_syntax read_inst;
haftmann@38923: val add_tyco_syntax_cmd = gen_add_tyco_syntax read_tyco;
haftmann@38923: val add_const_syntax_cmd = gen_add_const_syntax Code.read_const;
haftmann@31156: val allow_abort_cmd = gen_allow_abort Code.read_const;
haftmann@24219: 
haftmann@28054: fun parse_args f args =
wenzelm@36959:   case Scan.read Token.stopper f args
haftmann@28054:    of SOME x => x
haftmann@28054:     | NONE => error "Bad serializer arguments";
haftmann@28054: 
haftmann@28054: 
haftmann@27304: (** Isar setup **)
haftmann@27103: 
haftmann@37824: val (inK, module_nameK, fileK, checkingK) = ("in", "module_name", "file", "checking");
haftmann@37824: 
haftmann@37824: val code_expr_argsP = Scan.optional (Parse.$$$ "(" |-- Args.parse --| Parse.$$$ ")") [];
haftmann@27103: 
haftmann@30494: val code_exprP =
haftmann@37824:   Scan.repeat1 Parse.term_group :|-- (fn raw_cs =>
haftmann@37825:     ((Parse.$$$ checkingK |-- Scan.repeat (Parse.name
haftmann@37825:       -- ((Parse.$$$ "?" |-- Scan.succeed false) || Scan.succeed true) -- code_expr_argsP))
haftmann@37824:       >> (fn seris => check_code_cmd raw_cs seris)
haftmann@37824:     || Scan.repeat (Parse.$$$ inK |-- Parse.name
haftmann@38933:        -- Scan.optional (Parse.$$$ module_nameK |-- Parse.name) ""
haftmann@37824:        -- Scan.optional (Parse.$$$ fileK |-- Parse.name) ""
haftmann@37824:        -- code_expr_argsP) >> (fn seris => export_code_cmd raw_cs seris)));
haftmann@27103: 
haftmann@37824: val _ = List.app Keyword.keyword [inK, module_nameK, fileK, checkingK];
wenzelm@24867: 
wenzelm@24867: val _ =
wenzelm@36960:   Outer_Syntax.command "code_class" "define code syntax for class" Keyword.thy_decl (
haftmann@37881:     process_multi_syntax Parse.xname (Scan.option Parse.string)
haftmann@38923:     add_class_syntax_cmd);
haftmann@24219: 
wenzelm@24867: val _ =
wenzelm@36960:   Outer_Syntax.command "code_instance" "define code syntax for instance" Keyword.thy_decl (
haftmann@37881:     process_multi_syntax (Parse.xname --| Parse.$$$ "::" -- Parse.xname)
wenzelm@36960:       (Scan.option (Parse.minus >> K ()))
haftmann@38923:     add_instance_syntax_cmd);
haftmann@24219: 
wenzelm@24867: val _ =
wenzelm@36960:   Outer_Syntax.command "code_type" "define code syntax for type constructor" Keyword.thy_decl (
haftmann@37881:     process_multi_syntax Parse.xname Code_Printer.parse_tyco_syntax
haftmann@38923:     add_tyco_syntax_cmd);
haftmann@24219: 
wenzelm@24867: val _ =
wenzelm@36960:   Outer_Syntax.command "code_const" "define code syntax for constant" Keyword.thy_decl (
haftmann@37881:     process_multi_syntax Parse.term_group Code_Printer.parse_const_syntax
haftmann@38923:     add_const_syntax_cmd);
haftmann@24219: 
wenzelm@24867: val _ =
wenzelm@36960:   Outer_Syntax.command "code_reserved" "declare words as reserved for target language"
wenzelm@36960:     Keyword.thy_decl (
wenzelm@36960:     Parse.name -- Scan.repeat1 Parse.name
haftmann@24219:     >> (fn (target, reserveds) => (Toplevel.theory o fold (add_reserved target)) reserveds)
haftmann@24841:   );
haftmann@24219: 
wenzelm@24867: val _ =
wenzelm@36960:   Outer_Syntax.command "code_include" "declare piece of code to be included in generated code"
wenzelm@36960:     Keyword.thy_decl (
wenzelm@36960:     Parse.name -- Parse.name -- (Parse.text :|-- (fn "-" => Scan.succeed NONE
wenzelm@36960:       | s => Scan.optional (Parse.$$$ "attach" |-- Scan.repeat1 Parse.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 _ =
wenzelm@36960:   Outer_Syntax.command "code_modulename" "alias module to other name" Keyword.thy_decl (
wenzelm@36960:     Parse.name -- Scan.repeat1 (Parse.name -- Parse.name)
haftmann@27103:     >> (fn (target, modlnames) => (Toplevel.theory o fold (add_module_alias target)) modlnames)
haftmann@27103:   );
haftmann@27103: 
haftmann@27103: val _ =
wenzelm@36960:   Outer_Syntax.command "code_abort" "permit constant to be implemented as program abort"
wenzelm@36960:     Keyword.thy_decl (
wenzelm@36960:     Scan.repeat1 Parse.term_group >> (Toplevel.theory o fold allow_abort_cmd)
haftmann@24841:   );
haftmann@24219: 
wenzelm@24867: val _ =
wenzelm@36960:   Outer_Syntax.command "export_code" "generate executable code for constants"
wenzelm@36960:     Keyword.diag (Parse.!!! code_exprP >> (fn f => Toplevel.keep (f o Toplevel.theory_of)));
haftmann@30494: 
haftmann@24219: end; (*local*)
haftmann@24219: 
haftmann@39646: 
haftmann@39646: (** external entrance point -- for codegen tool **)
haftmann@39646: 
haftmann@39750: fun codegen_tool thyname cmd_expr =
haftmann@39646:   let
haftmann@39646:     val thy = Thy_Info.get_theory thyname;
haftmann@39646:     val parse = Scan.read Token.stopper (Parse.!!! code_exprP) o
haftmann@39646:       (filter Token.is_proper o Outer_Syntax.scan Position.none);
haftmann@39646:   in case parse cmd_expr
haftmann@39646:    of SOME f => (writeln "Now generating code..."; f thy)
haftmann@39646:     | NONE => error ("Bad directive " ^ quote cmd_expr)
haftmann@39646:   end;
haftmann@39646: 
haftmann@24219: end; (*struct*)