1 (* Title: Tools/Code/code_target.ML
2 Author: Florian Haftmann, TU Muenchen
4 Generic infrastructure for target language data.
7 signature CODE_TARGET =
9 val cert_tyco: theory -> string -> string
10 val read_tyco: theory -> string -> string
11 val read_const_exprs: theory -> string list -> string list
13 val export_code_for: theory -> Path.T option -> string -> int option -> string -> Token.T list
14 -> Code_Thingol.naming -> Code_Thingol.program -> string list -> unit
15 val produce_code_for: theory -> string -> int option -> string -> Token.T list
16 -> Code_Thingol.naming -> Code_Thingol.program -> string list -> string * string option list
17 val present_code_for: theory -> string -> int option -> string -> Token.T list
18 -> Code_Thingol.naming -> Code_Thingol.program -> string list * string list -> string
19 val check_code_for: theory -> string -> bool -> Token.T list
20 -> Code_Thingol.naming -> Code_Thingol.program -> string list -> unit
22 val export_code: theory -> string list
23 -> (((string * string) * Path.T option) * Token.T list) list -> unit
24 val produce_code: theory -> string list
25 -> string -> int option -> string -> Token.T list -> string * string option list
26 val present_code: theory -> string list -> (Code_Thingol.naming -> string list)
27 -> string -> int option -> string -> Token.T list -> string
28 val check_code: theory -> string list
29 -> ((string * bool) * Token.T list) list -> unit
31 val shell_command: string (*theory name*) -> string (*export_code expr*) -> unit
34 type literals = Code_Printer.literals
35 val add_target: string * { serializer: serializer, literals: literals,
36 check: { env_var: string, make_destination: Path.T -> Path.T,
37 make_command: string -> string -> string } } -> theory -> theory
38 val extend_target: string *
39 (string * (Code_Thingol.naming -> Code_Thingol.program -> Code_Thingol.program))
41 val assert_target: theory -> string -> string
42 val the_literals: theory -> string -> literals
44 val parse_args: 'a parser -> Token.T list -> 'a
45 val serialization: (int -> Path.T option -> 'a -> unit)
46 -> (string list -> int -> 'a -> string * (string -> string option))
47 -> 'a -> serialization
48 val set_default_code_width: int -> theory -> theory
50 val allow_abort: string -> theory -> theory
51 type tyco_syntax = Code_Printer.tyco_syntax
52 type const_syntax = Code_Printer.const_syntax
53 val add_class_syntax: string -> class -> string option -> theory -> theory
54 val add_instance_syntax: string -> class * string -> unit option -> theory -> theory
55 val add_tyco_syntax: string -> string -> tyco_syntax option -> theory -> theory
56 val add_const_syntax: string -> string -> const_syntax option -> theory -> theory
57 val add_reserved: string -> string -> theory -> theory
58 val add_include: string -> string * (string * string list) option -> theory -> theory
61 structure Code_Target : CODE_TARGET =
64 open Basic_Code_Thingol;
66 type literals = Code_Printer.literals;
67 type tyco_syntax = Code_Printer.tyco_syntax;
68 type const_syntax = Code_Printer.const_syntax;
71 (** abstract nonsense **)
73 datatype destination = Export of Path.T option | Produce | Present of string list;
74 type serialization = int -> destination -> (string * (string -> string option)) option;
76 fun serialization output _ content width (Export some_path) = (output width some_path content; NONE)
77 | serialization _ string content width Produce = SOME (string [] width content)
78 | serialization _ string content width (Present stmt_names) = SOME (string stmt_names width content);
80 fun export some_path f = (f (Export some_path); ());
81 fun produce f = the (f Produce);
82 fun present stmt_names f = fst (the (f (Present stmt_names)));
87 datatype symbol_syntax_data = Symbol_Syntax_Data of {
88 class: string Symtab.table,
89 instance: unit Symreltab.table,
90 tyco: Code_Printer.tyco_syntax Symtab.table,
91 const: Code_Printer.const_syntax Symtab.table
94 fun make_symbol_syntax_data ((class, instance), (tyco, const)) =
95 Symbol_Syntax_Data { class = class, instance = instance, tyco = tyco, const = const };
96 fun map_symbol_syntax_data f (Symbol_Syntax_Data { class, instance, tyco, const }) =
97 make_symbol_syntax_data (f ((class, instance), (tyco, const)));
98 fun merge_symbol_syntax_data
99 (Symbol_Syntax_Data { class = class1, instance = instance1, tyco = tyco1, const = const1 },
100 Symbol_Syntax_Data { class = class2, instance = instance2, tyco = tyco2, const = const2 }) =
101 make_symbol_syntax_data (
102 (Symtab.join (K snd) (class1, class2),
103 Symreltab.join (K snd) (instance1, instance2)),
104 (Symtab.join (K snd) (tyco1, tyco2),
105 Symtab.join (K snd) (const1, const2))
108 type serializer = Token.T list
110 labelled_name: string -> string,
111 reserved_syms: string list,
112 includes: (string * Pretty.T) list,
113 module_alias: string -> string option,
114 class_syntax: string -> string option,
115 tyco_syntax: string -> Code_Printer.tyco_syntax option,
116 const_syntax: string -> Code_Printer.activated_const_syntax option,
117 program: Code_Thingol.program }
120 datatype description = Fundamental of { serializer: serializer,
122 check: { env_var: string, make_destination: Path.T -> Path.T,
123 make_command: string -> string -> string } }
124 | Extension of string *
125 (Code_Thingol.naming -> Code_Thingol.program -> Code_Thingol.program);
127 datatype target = Target of {
129 description: description,
130 reserved: string list,
131 includes: (Pretty.T * string list) Symtab.table,
132 module_alias: string Symtab.table,
133 symbol_syntax: symbol_syntax_data
136 fun make_target ((serial, description), ((reserved, includes), (module_alias, symbol_syntax))) =
137 Target { serial = serial, description = description, reserved = reserved,
138 includes = includes, module_alias = module_alias, symbol_syntax = symbol_syntax };
139 fun map_target f ( Target { serial, description, reserved, includes, module_alias, symbol_syntax } ) =
140 make_target (f ((serial, description), ((reserved, includes), (module_alias, symbol_syntax))));
141 fun merge_target strict target (Target { serial = serial1, description = description,
142 reserved = reserved1, includes = includes1,
143 module_alias = module_alias1, symbol_syntax = symbol_syntax1 },
144 Target { serial = serial2, description = _,
145 reserved = reserved2, includes = includes2,
146 module_alias = module_alias2, symbol_syntax = symbol_syntax2 }) =
147 if serial1 = serial2 orelse not strict then
148 make_target ((serial1, description),
149 ((merge (op =) (reserved1, reserved2), Symtab.join (K snd) (includes1, includes2)),
150 (Symtab.join (K snd) (module_alias1, module_alias2),
151 merge_symbol_syntax_data (symbol_syntax1, symbol_syntax2))
154 error ("Incompatible targets: " ^ quote target);
156 fun the_description (Target { description, ... }) = description;
157 fun the_reserved (Target { reserved, ... }) = reserved;
158 fun the_includes (Target { includes, ... }) = includes;
159 fun the_module_alias (Target { module_alias , ... }) = module_alias;
160 fun the_symbol_syntax (Target { symbol_syntax = Symbol_Syntax_Data x, ... }) = x;
162 structure Targets = Theory_Data
164 type T = (target Symtab.table * string list) * int;
165 val empty = ((Symtab.empty, []), 80);
167 fun merge (((target1, exc1), width1), ((target2, exc2), width2)) : T =
168 ((Symtab.join (merge_target true) (target1, target2),
169 Library.merge (op =) (exc1, exc2)), Int.max (width1, width2));
172 val abort_allowed = snd o fst o Targets.get;
174 fun assert_target thy target = if Symtab.defined ((fst o fst) (Targets.get thy)) target
176 else error ("Unknown code target language: " ^ quote target);
178 fun put_target (target, seri) thy =
180 val lookup_target = Symtab.lookup ((fst o fst) (Targets.get thy));
182 of Extension (super, _) => if is_some (lookup_target super) then ()
183 else error ("Unknown code target language: " ^ quote super)
185 val overwriting = case (Option.map the_description o lookup_target) target
187 | SOME (Extension _) => true
188 | SOME (Fundamental _) => (case seri
189 of Extension _ => error ("Will not overwrite existing target " ^ quote target)
191 val _ = if overwriting
192 then warning ("Overwriting existing target " ^ quote target)
196 |> (Targets.map o apfst o apfst o Symtab.update)
197 (target, make_target ((serial (), seri), (([], Symtab.empty),
198 (Symtab.empty, make_symbol_syntax_data ((Symtab.empty, Symreltab.empty),
199 (Symtab.empty, Symtab.empty))))))
202 fun add_target (target, seri) = put_target (target, Fundamental seri);
203 fun extend_target (target, (super, modify)) =
204 put_target (target, Extension (super, modify));
206 fun map_target_data target f thy =
208 val _ = assert_target thy target;
211 |> (Targets.map o apfst o apfst o Symtab.map_entry target o map_target) f
214 fun map_reserved target =
215 map_target_data target o apsnd o apfst o apfst;
216 fun map_includes target =
217 map_target_data target o apsnd o apfst o apsnd;
218 fun map_module_alias target =
219 map_target_data target o apsnd o apsnd o apfst;
220 fun map_symbol_syntax target =
221 map_target_data target o apsnd o apsnd o apsnd o map_symbol_syntax_data;
223 fun set_default_code_width k = (Targets.map o apsnd) (K k);
226 (** serializer usage **)
230 fun the_fundamental thy =
232 val ((targets, _), _) = Targets.get thy;
233 fun fundamental target = case Symtab.lookup targets target
234 of SOME data => (case the_description data
235 of Fundamental data => data
236 | Extension (super, _) => fundamental super)
237 | NONE => error ("Unknown code target language: " ^ quote target);
240 fun the_literals thy = #literals o the_fundamental thy;
244 fun activate_target_for thy target naming program =
246 val ((targets, abortable), default_width) = Targets.get thy;
247 fun collapse_hierarchy target =
249 val data = case Symtab.lookup targets target
251 | NONE => error ("Unknown code target language: " ^ quote target);
252 in case the_description data
253 of Fundamental _ => (I, data)
254 | Extension (super, modify) => let
255 val (modify', data') = collapse_hierarchy super
256 in (modify' #> modify naming, merge_target false target (data', data)) end
258 val (modify, data) = collapse_hierarchy target;
259 in (default_width, abortable, data, modify program) end;
261 fun activate_syntax lookup_name src_tab = Symtab.empty
262 |> fold_map (fn thing_identifier => fn tab => case lookup_name thing_identifier
263 of SOME name => (SOME name,
264 Symtab.update_new (name, the (Symtab.lookup src_tab thing_identifier)) tab)
265 | NONE => (NONE, tab)) (Symtab.keys src_tab)
268 fun activate_const_syntax thy literals src_tab naming = (Symtab.empty, naming)
269 |> fold_map (fn c => fn (tab, naming) =>
270 case Code_Thingol.lookup_const naming c
272 val (syn, naming') = Code_Printer.activate_const_syntax thy
273 literals c (the (Symtab.lookup src_tab c)) naming
274 in (SOME name, (Symtab.update_new (name, syn) tab, naming')) end
275 | NONE => (NONE, (tab, naming))) (Symtab.keys src_tab)
278 fun activate_symbol_syntax thy literals naming
279 class_syntax instance_syntax tyco_syntax const_syntax =
281 val (names_class, class_syntax') =
282 activate_syntax (Code_Thingol.lookup_class naming) class_syntax;
283 val names_inst = map_filter (Code_Thingol.lookup_instance naming)
284 (Symreltab.keys instance_syntax);
285 val (names_tyco, tyco_syntax') =
286 activate_syntax (Code_Thingol.lookup_tyco naming) tyco_syntax;
287 val (names_const, (const_syntax', _)) =
288 activate_const_syntax thy literals const_syntax naming;
290 (names_class @ names_inst @ names_tyco @ names_const,
291 (class_syntax', tyco_syntax', const_syntax'))
294 fun project_program thy abortable names_hidden names1 program2 =
296 val names2 = subtract (op =) names_hidden names1;
297 val program3 = Graph.subgraph (not o member (op =) names_hidden) program2;
298 val names4 = Graph.all_succs program3 names2;
299 val empty_funs = filter_out (member (op =) abortable)
300 (Code_Thingol.empty_funs program3);
301 val _ = if null empty_funs then () else error ("No code equations for "
302 ^ commas (map (Sign.extern_const thy) empty_funs));
303 val program4 = Graph.subgraph (member (op =) names4) program3;
304 in (names4, program4) end;
306 fun invoke_serializer thy abortable serializer literals reserved abs_includes
307 module_alias proto_class_syntax proto_instance_syntax proto_tyco_syntax proto_const_syntax
308 module_name args naming proto_program names =
310 val (names_hidden, (class_syntax, tyco_syntax, const_syntax)) =
311 activate_symbol_syntax thy literals naming
312 proto_class_syntax proto_instance_syntax proto_tyco_syntax proto_const_syntax;
313 val (names_all, program) = project_program thy abortable names_hidden names proto_program;
314 val includes = abs_includes names_all;
317 labelled_name = Code_Thingol.labelled_name thy proto_program,
318 reserved_syms = reserved,
320 module_alias = if module_name = "" then Symtab.lookup module_alias else K (SOME module_name),
321 class_syntax = Symtab.lookup class_syntax,
322 tyco_syntax = Symtab.lookup tyco_syntax,
323 const_syntax = Symtab.lookup const_syntax,
327 fun mount_serializer thy target some_width module_name args naming proto_program names =
329 val (default_width, abortable, data, program) =
330 activate_target_for thy target naming proto_program;
331 val serializer = case the_description data
332 of Fundamental seri => #serializer seri;
333 val reserved = the_reserved data;
334 fun select_include names_all (name, (content, cs)) =
335 if null cs then SOME (name, content)
336 else if exists (fn c => case Code_Thingol.lookup_const naming c
337 of SOME name => member (op =) names_all name
339 then SOME (name, content) else NONE;
340 fun includes names_all = map_filter (select_include names_all)
341 ((Symtab.dest o the_includes) data);
342 val module_alias = the_module_alias data
343 val { class, instance, tyco, const } = the_symbol_syntax data;
344 val literals = the_literals thy target;
345 val width = the_default default_width some_width;
347 invoke_serializer thy abortable serializer literals reserved
348 includes module_alias class instance tyco const module_name args
349 naming program names width
352 fun assert_module_name "" = error ("Empty module name not allowed.")
353 | assert_module_name module_name = module_name;
357 fun export_code_for thy some_path target some_width some_module_name args naming program names =
358 export some_path (mount_serializer thy target some_width some_module_name args naming program names);
360 fun produce_code_for thy target some_width module_name args naming program names =
362 val (s, deresolve) = produce (mount_serializer thy target some_width (assert_module_name module_name) args naming program names)
363 in (s, map deresolve names) end;
365 fun present_code_for thy target some_width module_name args naming program (names, selects) =
366 present selects (mount_serializer thy target some_width (assert_module_name module_name) args naming program names);
368 fun check_code_for thy target strict args naming program names_cs =
370 val module_name = "Code";
371 val { env_var, make_destination, make_command } =
372 (#check o the_fundamental thy) target;
373 val env_param = getenv env_var;
374 fun ext_check env_param p =
376 val destination = make_destination p;
377 val _ = export (SOME destination) (mount_serializer thy target (SOME 80)
378 module_name args naming program names_cs);
379 val cmd = make_command env_param module_name;
380 in if bash ("cd " ^ File.shell_path p ^ " && " ^ cmd ^ " 2>&1") <> 0
381 then error ("Code check failed for " ^ target ^ ": " ^ cmd)
386 then error (env_var ^ " not set; cannot check code for " ^ target)
387 else warning (env_var ^ " not set; skipped checking code for " ^ target)
388 else Cache_IO.with_tmp_dir "Code_Test" (ext_check env_param)
394 (* code generation *)
396 fun transitivly_non_empty_funs thy naming program =
398 val cs = subtract (op =) (abort_allowed thy) (Code_Thingol.empty_funs program);
399 val names = map_filter (Code_Thingol.lookup_const naming) cs;
400 in subtract (op =) (Graph.all_preds program names) (Graph.keys program) end;
402 fun read_const_exprs thy cs =
404 val (cs1, cs2) = Code_Thingol.read_const_exprs thy cs;
405 val (names2, (naming, program)) = Code_Thingol.consts_program thy true cs2;
406 val names3 = transitivly_non_empty_funs thy naming program;
407 val cs3 = map_filter (fn (c, name) =>
408 if member (op =) names3 name then SOME c else NONE) (cs2 ~~ names2);
409 in union (op =) cs3 cs1 end;
411 fun prep_destination "" = NONE
412 | prep_destination "-" = NONE
413 | prep_destination s = SOME (Path.explode s);
415 fun export_code thy cs seris =
417 val (names_cs, (naming, program)) = Code_Thingol.consts_program thy false cs;
418 val _ = map (fn (((target, module_name), some_path), args) =>
419 export_code_for thy some_path target NONE module_name args naming program names_cs) seris;
422 fun export_code_cmd raw_cs seris thy = export_code thy (read_const_exprs thy raw_cs)
423 ((map o apfst o apsnd) prep_destination seris);
425 fun produce_code thy cs target some_width some_module_name args =
427 val (names_cs, (naming, program)) = Code_Thingol.consts_program thy false cs;
428 in produce_code_for thy target some_width some_module_name args naming program names_cs end;
430 fun present_code thy cs names_stmt target some_width some_module_name args =
432 val (names_cs, (naming, program)) = Code_Thingol.consts_program thy false cs;
433 in present_code_for thy target some_width some_module_name args naming program (names_cs, names_stmt naming) end;
435 fun check_code thy cs seris =
437 val (names_cs, (naming, program)) = Code_Thingol.consts_program thy false cs;
438 val _ = map (fn ((target, strict), args) =>
439 check_code_for thy target strict args naming program names_cs) seris;
442 fun check_code_cmd raw_cs seris thy = check_code thy (read_const_exprs thy raw_cs) seris;
445 (** serializer configuration **)
449 fun cert_class thy class =
451 val _ = AxClass.get_info thy class;
454 fun read_class thy = cert_class thy o Sign.intern_class thy;
456 fun cert_tyco thy tyco =
458 val _ = if Sign.declared_tyname thy tyco then ()
459 else error ("No such type constructor: " ^ quote tyco);
462 fun read_tyco thy = cert_tyco thy o Sign.intern_type thy;
464 fun cert_inst thy (class, tyco) =
465 (cert_class thy class, cert_tyco thy tyco);
467 fun read_inst thy (raw_tyco, raw_class) =
468 (read_class thy raw_class, read_tyco thy raw_tyco);
470 fun gen_add_syntax (mapp, upd, del) prep_x prep_syn target raw_x some_raw_syn thy =
472 val x = prep_x thy raw_x;
473 val change = case some_raw_syn
474 of SOME raw_syn => upd (x, prep_syn thy x raw_syn)
476 in (map_symbol_syntax target o mapp) change thy end;
478 fun gen_add_class_syntax prep_class =
479 gen_add_syntax (apfst o apfst, Symtab.update, Symtab.delete_safe) prep_class ((K o K) I);
481 fun gen_add_instance_syntax prep_inst =
482 gen_add_syntax (apfst o apsnd, Symreltab.update, Symreltab.delete_safe) prep_inst ((K o K) I);
484 fun gen_add_tyco_syntax prep_tyco =
485 gen_add_syntax (apsnd o apfst, Symtab.update, Symtab.delete_safe) prep_tyco
486 (fn thy => fn tyco => fn syn => if fst syn <> Sign.arity_number thy tyco
487 then error ("Number of arguments mismatch in syntax for type constructor " ^ quote tyco)
490 fun gen_add_const_syntax prep_const =
491 gen_add_syntax (apsnd o apsnd, Symtab.update, Symtab.delete_safe) prep_const
492 (fn thy => fn c => fn syn =>
493 if Code_Printer.requires_args syn > Code.args_number thy c
494 then error ("Too many arguments in syntax for constant " ^ quote c)
497 fun add_reserved target =
499 fun add sym syms = if member (op =) syms sym
500 then error ("Reserved symbol " ^ quote sym ^ " already declared")
501 else insert (op =) sym syms
502 in map_reserved target o add end;
504 fun gen_add_include read_const target args thy =
506 fun add (name, SOME (content, raw_cs)) incls =
508 val _ = if Symtab.defined incls name
509 then warning ("Overwriting existing include " ^ name)
511 val cs = map (read_const thy) raw_cs;
512 in Symtab.update (name, (Code_Printer.str content, cs)) incls end
513 | add (name, NONE) incls = Symtab.delete name incls;
514 in map_includes target (add args) thy end;
516 val add_include = gen_add_include (K I);
517 val add_include_cmd = gen_add_include Code.read_const;
519 fun add_module_alias target (thyname, "") =
520 map_module_alias target (Symtab.delete thyname)
521 | add_module_alias target (thyname, modlname) =
523 val xs = Long_Name.explode modlname;
524 val xs' = map (Name.desymbolize true) xs;
526 then map_module_alias target (Symtab.update (thyname, modlname))
527 else error ("Invalid module name: " ^ quote modlname ^ "\n"
528 ^ "perhaps try " ^ quote (Long_Name.implode xs'))
531 fun gen_allow_abort prep_const raw_c thy =
533 val c = prep_const thy raw_c;
534 in thy |> (Targets.map o apfst o apsnd) (insert (op =) c) end;
537 (* concrete syntax *)
541 fun zip_list (x::xs) f g =
544 fold_map (fn x => g |-- f >> pair x) xs
545 :|-- (fn xys => pair ((x, y) :: xys)));
547 fun process_multi_syntax parse_thing parse_syntax change =
548 (Parse.and_list1 parse_thing
549 :|-- (fn things => Scan.repeat1 (Parse.$$$ "(" |-- Parse.name --
550 (zip_list things parse_syntax (Parse.$$$ "and")) --| Parse.$$$ ")")))
551 >> (Toplevel.theory oo fold)
552 (fn (target, syns) => fold (fn (raw_x, syn) => change target raw_x syn) syns);
556 val add_class_syntax = gen_add_class_syntax cert_class;
557 val add_instance_syntax = gen_add_instance_syntax cert_inst;
558 val add_tyco_syntax = gen_add_tyco_syntax cert_tyco;
559 val add_const_syntax = gen_add_const_syntax (K I);
560 val allow_abort = gen_allow_abort (K I);
561 val add_reserved = add_reserved;
562 val add_include = add_include;
564 val add_class_syntax_cmd = gen_add_class_syntax read_class;
565 val add_instance_syntax_cmd = gen_add_instance_syntax read_inst;
566 val add_tyco_syntax_cmd = gen_add_tyco_syntax read_tyco;
567 val add_const_syntax_cmd = gen_add_const_syntax Code.read_const;
568 val allow_abort_cmd = gen_allow_abort Code.read_const;
570 fun parse_args f args =
571 case Scan.read Token.stopper f args
573 | NONE => error "Bad serializer arguments";
578 val (inK, module_nameK, fileK, checkingK) = ("in", "module_name", "file", "checking");
580 val code_expr_argsP = Scan.optional (Parse.$$$ "(" |-- Args.parse --| Parse.$$$ ")") [];
583 Scan.repeat1 Parse.term_group :|-- (fn raw_cs =>
584 ((Parse.$$$ checkingK |-- Scan.repeat (Parse.name
585 -- ((Parse.$$$ "?" |-- Scan.succeed false) || Scan.succeed true) -- code_expr_argsP))
586 >> (fn seris => check_code_cmd raw_cs seris)
587 || Scan.repeat (Parse.$$$ inK |-- Parse.name
588 -- Scan.optional (Parse.$$$ module_nameK |-- Parse.name) ""
589 -- Scan.optional (Parse.$$$ fileK |-- Parse.name) ""
590 -- code_expr_argsP) >> (fn seris => export_code_cmd raw_cs seris)));
592 val _ = List.app Keyword.keyword [inK, module_nameK, fileK, checkingK];
595 Outer_Syntax.command "code_class" "define code syntax for class" Keyword.thy_decl (
596 process_multi_syntax Parse.xname (Scan.option Parse.string)
597 add_class_syntax_cmd);
600 Outer_Syntax.command "code_instance" "define code syntax for instance" Keyword.thy_decl (
601 process_multi_syntax (Parse.xname --| Parse.$$$ "::" -- Parse.xname)
602 (Scan.option (Parse.minus >> K ()))
603 add_instance_syntax_cmd);
606 Outer_Syntax.command "code_type" "define code syntax for type constructor" Keyword.thy_decl (
607 process_multi_syntax Parse.xname Code_Printer.parse_tyco_syntax
608 add_tyco_syntax_cmd);
611 Outer_Syntax.command "code_const" "define code syntax for constant" Keyword.thy_decl (
612 process_multi_syntax Parse.term_group Code_Printer.parse_const_syntax
613 add_const_syntax_cmd);
616 Outer_Syntax.command "code_reserved" "declare words as reserved for target language"
618 Parse.name -- Scan.repeat1 Parse.name
619 >> (fn (target, reserveds) => (Toplevel.theory o fold (add_reserved target)) reserveds)
623 Outer_Syntax.command "code_include" "declare piece of code to be included in generated code"
625 Parse.name -- Parse.name -- (Parse.text :|-- (fn "-" => Scan.succeed NONE
626 | s => Scan.optional (Parse.$$$ "attach" |-- Scan.repeat1 Parse.term) [] >> pair s >> SOME))
627 >> (fn ((target, name), content_consts) =>
628 (Toplevel.theory o add_include_cmd target) (name, content_consts))
632 Outer_Syntax.command "code_modulename" "alias module to other name" Keyword.thy_decl (
633 Parse.name -- Scan.repeat1 (Parse.name -- Parse.name)
634 >> (fn (target, modlnames) => (Toplevel.theory o fold (add_module_alias target)) modlnames)
638 Outer_Syntax.command "code_abort" "permit constant to be implemented as program abort"
640 Scan.repeat1 Parse.term_group >> (Toplevel.theory o fold allow_abort_cmd)
644 Outer_Syntax.command "export_code" "generate executable code for constants"
645 Keyword.diag (Parse.!!! code_exprP >> (fn f => Toplevel.keep (f o Toplevel.theory_of)));
647 fun shell_command thyname cmd = Toplevel.program (fn _ =>
648 (use_thy thyname; case Scan.read Token.stopper (Parse.!!! code_exprP)
649 ((filter Token.is_proper o Outer_Syntax.scan Position.none) cmd)
650 of SOME f => (writeln "Now generating code..."; f (Thy_Info.get_theory thyname))
651 | NONE => error ("Bad directive " ^ quote cmd)))
652 handle Runtime.TOPLEVEL_ERROR => OS.Process.exit OS.Process.failure;