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
32 type literals = Code_Printer.literals
33 val add_target: string * { serializer: serializer, literals: literals,
34 check: { env_var: string, make_destination: Path.T -> Path.T,
35 make_command: string -> string -> string } } -> theory -> theory
36 val extend_target: string *
37 (string * (Code_Thingol.naming -> Code_Thingol.program -> Code_Thingol.program))
39 val assert_target: theory -> string -> string
40 val the_literals: theory -> string -> literals
42 val parse_args: 'a parser -> Token.T list -> 'a
43 val serialization: (int -> Path.T option -> 'a -> unit)
44 -> (string list -> int -> 'a -> string * (string -> string option))
45 -> 'a -> serialization
46 val set_default_code_width: int -> theory -> theory
48 val allow_abort: string -> theory -> theory
49 type tyco_syntax = Code_Printer.tyco_syntax
50 type const_syntax = Code_Printer.const_syntax
51 val add_class_syntax: string -> class -> string option -> theory -> theory
52 val add_instance_syntax: string -> class * string -> unit option -> theory -> theory
53 val add_tyco_syntax: string -> string -> tyco_syntax option -> theory -> theory
54 val add_const_syntax: string -> string -> const_syntax option -> theory -> theory
55 val add_reserved: string -> string -> theory -> theory
56 val add_include: string -> string * (string * string list) option -> theory -> theory
58 val codegen_tool: string (*theory name*) -> bool -> string (*export_code expr*) -> unit
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 using_plain_output f x = Print_Mode.setmp [] f x;
78 fun serialization output _ content width (Export some_path) =
79 (using_plain_output (output width some_path) content; NONE)
80 | serialization _ string content width Produce =
81 SOME (using_plain_output (string [] width) content)
82 | serialization _ string content width (Present stmt_names) =
83 SOME (using_plain_output (string stmt_names width) content);
85 fun export some_path serializer naming program names =
86 (using_plain_output (serializer naming program) names (Export some_path); ());
87 fun produce serializer naming program names =
88 the (using_plain_output (serializer naming program) names Produce);
89 fun present stmt_names serializer naming program names =
90 fst (the (using_plain_output (serializer naming program) names (Present stmt_names)));
95 datatype symbol_syntax_data = Symbol_Syntax_Data of {
96 class: string Symtab.table,
97 instance: unit Symreltab.table,
98 tyco: Code_Printer.tyco_syntax Symtab.table,
99 const: Code_Printer.const_syntax Symtab.table
102 fun make_symbol_syntax_data ((class, instance), (tyco, const)) =
103 Symbol_Syntax_Data { class = class, instance = instance, tyco = tyco, const = const };
104 fun map_symbol_syntax_data f (Symbol_Syntax_Data { class, instance, tyco, const }) =
105 make_symbol_syntax_data (f ((class, instance), (tyco, const)));
106 fun merge_symbol_syntax_data
107 (Symbol_Syntax_Data { class = class1, instance = instance1, tyco = tyco1, const = const1 },
108 Symbol_Syntax_Data { class = class2, instance = instance2, tyco = tyco2, const = const2 }) =
109 make_symbol_syntax_data (
110 (Symtab.join (K snd) (class1, class2),
111 Symreltab.join (K snd) (instance1, instance2)),
112 (Symtab.join (K snd) (tyco1, tyco2),
113 Symtab.join (K snd) (const1, const2))
116 type serializer = Token.T list
118 labelled_name: string -> string,
119 reserved_syms: string list,
120 includes: (string * Pretty.T) list,
121 module_alias: string -> string option,
122 class_syntax: string -> string option,
123 tyco_syntax: string -> Code_Printer.tyco_syntax option,
124 const_syntax: string -> Code_Printer.activated_const_syntax option,
125 program: Code_Thingol.program }
128 datatype description = Fundamental of { serializer: serializer,
130 check: { env_var: string, make_destination: Path.T -> Path.T,
131 make_command: string -> string -> string } }
132 | Extension of string *
133 (Code_Thingol.naming -> Code_Thingol.program -> Code_Thingol.program);
135 datatype target = Target of {
137 description: description,
138 reserved: string list,
139 includes: (Pretty.T * string list) Symtab.table,
140 module_alias: string Symtab.table,
141 symbol_syntax: symbol_syntax_data
144 fun make_target ((serial, description), ((reserved, includes), (module_alias, symbol_syntax))) =
145 Target { serial = serial, description = description, reserved = reserved,
146 includes = includes, module_alias = module_alias, symbol_syntax = symbol_syntax };
147 fun map_target f ( Target { serial, description, reserved, includes, module_alias, symbol_syntax } ) =
148 make_target (f ((serial, description), ((reserved, includes), (module_alias, symbol_syntax))));
149 fun merge_target strict target (Target { serial = serial1, description = description,
150 reserved = reserved1, includes = includes1,
151 module_alias = module_alias1, symbol_syntax = symbol_syntax1 },
152 Target { serial = serial2, description = _,
153 reserved = reserved2, includes = includes2,
154 module_alias = module_alias2, symbol_syntax = symbol_syntax2 }) =
155 if serial1 = serial2 orelse not strict then
156 make_target ((serial1, description),
157 ((merge (op =) (reserved1, reserved2), Symtab.join (K snd) (includes1, includes2)),
158 (Symtab.join (K snd) (module_alias1, module_alias2),
159 merge_symbol_syntax_data (symbol_syntax1, symbol_syntax2))
162 error ("Incompatible targets: " ^ quote target);
164 fun the_description (Target { description, ... }) = description;
165 fun the_reserved (Target { reserved, ... }) = reserved;
166 fun the_includes (Target { includes, ... }) = includes;
167 fun the_module_alias (Target { module_alias , ... }) = module_alias;
168 fun the_symbol_syntax (Target { symbol_syntax = Symbol_Syntax_Data x, ... }) = x;
170 structure Targets = Theory_Data
172 type T = (target Symtab.table * string list) * int;
173 val empty = ((Symtab.empty, []), 80);
175 fun merge (((target1, exc1), width1), ((target2, exc2), width2)) : T =
176 ((Symtab.join (merge_target true) (target1, target2),
177 Library.merge (op =) (exc1, exc2)), Int.max (width1, width2));
180 val abort_allowed = snd o fst o Targets.get;
182 fun assert_target thy target = if Symtab.defined ((fst o fst) (Targets.get thy)) target
184 else error ("Unknown code target language: " ^ quote target);
186 fun put_target (target, seri) thy =
188 val lookup_target = Symtab.lookup ((fst o fst) (Targets.get thy));
190 of Extension (super, _) => if is_some (lookup_target super) then ()
191 else error ("Unknown code target language: " ^ quote super)
193 val overwriting = case (Option.map the_description o lookup_target) target
195 | SOME (Extension _) => true
196 | SOME (Fundamental _) => (case seri
197 of Extension _ => error ("Will not overwrite existing target " ^ quote target)
199 val _ = if overwriting
200 then warning ("Overwriting existing target " ^ quote target)
204 |> (Targets.map o apfst o apfst o Symtab.update)
205 (target, make_target ((serial (), seri), (([], Symtab.empty),
206 (Symtab.empty, make_symbol_syntax_data ((Symtab.empty, Symreltab.empty),
207 (Symtab.empty, Symtab.empty))))))
210 fun add_target (target, seri) = put_target (target, Fundamental seri);
211 fun extend_target (target, (super, modify)) =
212 put_target (target, Extension (super, modify));
214 fun map_target_data target f thy =
216 val _ = assert_target thy target;
219 |> (Targets.map o apfst o apfst o Symtab.map_entry target o map_target) f
222 fun map_reserved target =
223 map_target_data target o apsnd o apfst o apfst;
224 fun map_includes target =
225 map_target_data target o apsnd o apfst o apsnd;
226 fun map_module_alias target =
227 map_target_data target o apsnd o apsnd o apfst;
228 fun map_symbol_syntax target =
229 map_target_data target o apsnd o apsnd o apsnd o map_symbol_syntax_data;
231 fun set_default_code_width k = (Targets.map o apsnd) (K k);
234 (** serializer usage **)
238 fun the_fundamental thy =
240 val ((targets, _), _) = Targets.get thy;
241 fun fundamental target = case Symtab.lookup targets target
242 of SOME data => (case the_description data
243 of Fundamental data => data
244 | Extension (super, _) => fundamental super)
245 | NONE => error ("Unknown code target language: " ^ quote target);
248 fun the_literals thy = #literals o the_fundamental thy;
252 fun activate_target thy target =
254 val ((targets, abortable), default_width) = Targets.get thy;
255 fun collapse_hierarchy target =
257 val data = case Symtab.lookup targets target
259 | NONE => error ("Unknown code target language: " ^ quote target);
260 in case the_description data
261 of Fundamental _ => (K I, data)
262 | Extension (super, modify) => let
263 val (modify', data') = collapse_hierarchy super
264 in (fn naming => modify' naming #> modify naming, merge_target false target (data', data)) end
266 val (modify, data) = collapse_hierarchy target;
267 in (default_width, abortable, data, modify) end;
269 fun activate_syntax lookup_name src_tab = Symtab.empty
270 |> fold_map (fn thing_identifier => fn tab => case lookup_name thing_identifier
271 of SOME name => (SOME name,
272 Symtab.update_new (name, the (Symtab.lookup src_tab thing_identifier)) tab)
273 | NONE => (NONE, tab)) (Symtab.keys src_tab)
276 fun activate_const_syntax thy literals src_tab naming = (Symtab.empty, naming)
277 |> fold_map (fn c => fn (tab, naming) =>
278 case Code_Thingol.lookup_const naming c
280 val (syn, naming') = Code_Printer.activate_const_syntax thy
281 literals c (the (Symtab.lookup src_tab c)) naming
282 in (SOME name, (Symtab.update_new (name, syn) tab, naming')) end
283 | NONE => (NONE, (tab, naming))) (Symtab.keys src_tab)
286 fun activate_symbol_syntax thy literals naming
287 class_syntax instance_syntax tyco_syntax const_syntax =
289 val (names_class, class_syntax') =
290 activate_syntax (Code_Thingol.lookup_class naming) class_syntax;
291 val names_inst = map_filter (Code_Thingol.lookup_instance naming)
292 (Symreltab.keys instance_syntax);
293 val (names_tyco, tyco_syntax') =
294 activate_syntax (Code_Thingol.lookup_tyco naming) tyco_syntax;
295 val (names_const, (const_syntax', _)) =
296 activate_const_syntax thy literals const_syntax naming;
298 (names_class @ names_inst @ names_tyco @ names_const,
299 (class_syntax', tyco_syntax', const_syntax'))
302 fun project_program thy abortable names_hidden names1 program2 =
304 val names2 = subtract (op =) names_hidden names1;
305 val program3 = Graph.subgraph (not o member (op =) names_hidden) program2;
306 val names4 = Graph.all_succs program3 names2;
307 val empty_funs = filter_out (member (op =) abortable)
308 (Code_Thingol.empty_funs program3);
309 val _ = if null empty_funs then () else error ("No code equations for "
310 ^ commas (map (Sign.extern_const thy) empty_funs));
311 val program4 = Graph.subgraph (member (op =) names4) program3;
312 in (names4, program4) end;
314 fun invoke_serializer thy abortable serializer literals reserved all_includes
315 module_alias proto_class_syntax proto_instance_syntax proto_tyco_syntax proto_const_syntax
316 module_name args naming proto_program names =
318 val (names_hidden, (class_syntax, tyco_syntax, const_syntax)) =
319 activate_symbol_syntax thy literals naming
320 proto_class_syntax proto_instance_syntax proto_tyco_syntax proto_const_syntax;
321 val (names_all, program) = project_program thy abortable names_hidden names proto_program;
322 fun select_include (name, (content, cs)) =
323 if null cs orelse exists (fn c => case Code_Thingol.lookup_const naming c
324 of SOME name => member (op =) names_all name
326 then SOME (name, content) else NONE;
327 val includes = map_filter select_include (Symtab.dest all_includes);
330 labelled_name = Code_Thingol.labelled_name thy proto_program,
331 reserved_syms = reserved,
333 module_alias = if module_name = "" then Symtab.lookup module_alias else K (SOME module_name),
334 class_syntax = Symtab.lookup class_syntax,
335 tyco_syntax = Symtab.lookup tyco_syntax,
336 const_syntax = Symtab.lookup const_syntax,
340 fun mount_serializer thy target some_width module_name args =
342 val (default_width, abortable, data, modify) = activate_target thy target;
343 val serializer = case the_description data
344 of Fundamental seri => #serializer seri;
345 val reserved = the_reserved data;
346 val module_alias = the_module_alias data
347 val { class, instance, tyco, const } = the_symbol_syntax data;
348 val literals = the_literals thy target;
349 val width = the_default default_width some_width;
350 in fn naming => fn program => fn names =>
351 invoke_serializer thy abortable serializer literals reserved
352 (the_includes data) module_alias class instance tyco const module_name args
353 naming (modify naming program) names width
356 fun assert_module_name "" = error ("Empty module name not allowed.")
357 | assert_module_name module_name = module_name;
361 fun export_code_for thy some_path target some_width module_name args =
362 export some_path (mount_serializer thy target some_width module_name args);
364 fun produce_code_for thy target some_width module_name args =
366 val serializer = mount_serializer thy target some_width (assert_module_name module_name) args;
367 in fn naming => fn program => fn names =>
368 produce serializer naming program names |> apsnd (fn deresolve => map deresolve names)
371 fun present_code_for thy target some_width module_name args =
373 val serializer = mount_serializer thy target some_width (assert_module_name module_name) args;
374 in fn naming => fn program => fn (names, selects) =>
375 present selects serializer naming program names
378 fun check_code_for thy target strict args naming program names_cs =
380 val module_name = "Code";
381 val { env_var, make_destination, make_command } =
382 (#check o the_fundamental thy) target;
383 val env_param = getenv env_var;
384 fun ext_check env_param p =
386 val destination = make_destination p;
387 val _ = export (SOME destination) (mount_serializer thy target (SOME 80)
388 module_name args) naming program names_cs;
389 val cmd = make_command env_param module_name;
390 in if bash ("cd " ^ File.shell_path p ^ " && " ^ cmd ^ " 2>&1") <> 0
391 then error ("Code check failed for " ^ target ^ ": " ^ cmd)
396 then error (env_var ^ " not set; cannot check code for " ^ target)
397 else warning (env_var ^ " not set; skipped checking code for " ^ target)
398 else Cache_IO.with_tmp_dir "Code_Test" (ext_check env_param)
404 (* code generation *)
406 fun transitivly_non_empty_funs thy naming program =
408 val cs = subtract (op =) (abort_allowed thy) (Code_Thingol.empty_funs program);
409 val names = map_filter (Code_Thingol.lookup_const naming) cs;
410 in subtract (op =) (Graph.all_preds program names) (Graph.keys program) end;
412 fun read_const_exprs thy cs =
414 val (cs1, cs2) = Code_Thingol.read_const_exprs thy cs;
415 val (names2, (naming, program)) = Code_Thingol.consts_program thy true cs2;
416 val names3 = transitivly_non_empty_funs thy naming program;
417 val cs3 = map_filter (fn (c, name) =>
418 if member (op =) names3 name then SOME c else NONE) (cs2 ~~ names2);
419 in union (op =) cs3 cs1 end;
421 fun prep_destination "" = NONE
422 | prep_destination "-" = NONE
423 | prep_destination s = SOME (Path.explode s);
425 fun export_code thy cs seris =
427 val (names_cs, (naming, program)) = Code_Thingol.consts_program thy false cs;
428 val _ = map (fn (((target, module_name), some_path), args) =>
429 export_code_for thy some_path target NONE module_name args naming program names_cs) seris;
432 fun export_code_cmd raw_cs seris thy = export_code thy (read_const_exprs thy raw_cs)
433 ((map o apfst o apsnd) prep_destination seris);
435 fun produce_code thy cs target some_width some_module_name args =
437 val (names_cs, (naming, program)) = Code_Thingol.consts_program thy false cs;
438 in produce_code_for thy target some_width some_module_name args naming program names_cs end;
440 fun present_code thy cs names_stmt target some_width some_module_name args =
442 val (names_cs, (naming, program)) = Code_Thingol.consts_program thy false cs;
443 in present_code_for thy target some_width some_module_name args naming program (names_cs, names_stmt naming) end;
445 fun check_code thy cs seris =
447 val (names_cs, (naming, program)) = Code_Thingol.consts_program thy false cs;
448 val _ = map (fn ((target, strict), args) =>
449 check_code_for thy target strict args naming program names_cs) seris;
452 fun check_code_cmd raw_cs seris thy = check_code thy (read_const_exprs thy raw_cs) seris;
456 val parse_const_terms = Scan.repeat1 Args.term
457 >> (fn ts => fn thy => map (Code.check_const thy) ts);
459 fun parse_names category parse internalize lookup =
460 Scan.lift (Args.parens (Args.$$$ category)) |-- Scan.repeat1 parse
461 >> (fn xs => fn thy => fn naming => map_filter (lookup naming o internalize thy) xs);
463 val parse_consts = parse_names "consts" Args.term
464 Code.check_const Code_Thingol.lookup_const ;
466 val parse_types = parse_names "types" (Scan.lift Args.name)
467 Sign.intern_type Code_Thingol.lookup_tyco;
469 val parse_classes = parse_names "classes" (Scan.lift Args.name)
470 Sign.intern_class Code_Thingol.lookup_class;
472 val parse_instances = parse_names "instances" (Scan.lift (Args.name --| Args.$$$ "::" -- Args.name))
473 (fn thy => fn (raw_tyco, raw_class) => (Sign.intern_class thy raw_class, Sign.intern_type thy raw_tyco))
474 Code_Thingol.lookup_instance;
478 val _ = Thy_Output.antiquotation "code_stmts"
479 (parse_const_terms -- Scan.repeat (parse_consts || parse_types || parse_classes || parse_instances)
480 -- Scan.lift (Args.parens (Args.name -- Scan.option Parse.int)))
481 (fn {context = ctxt, ...} => fn ((mk_cs, mk_stmtss), (target, some_width)) =>
482 let val thy = ProofContext.theory_of ctxt in
483 present_code thy (mk_cs thy)
484 (fn naming => maps (fn f => f thy naming) mk_stmtss)
485 target some_width "Example" []
486 |> Latex.output_typewriter
492 (** serializer configuration **)
496 fun cert_class thy class =
498 val _ = AxClass.get_info thy class;
501 fun read_class thy = cert_class thy o Sign.intern_class thy;
503 fun cert_tyco thy tyco =
505 val _ = if Sign.declared_tyname thy tyco then ()
506 else error ("No such type constructor: " ^ quote tyco);
509 fun read_tyco thy = cert_tyco thy o Sign.intern_type thy;
511 fun cert_inst thy (class, tyco) =
512 (cert_class thy class, cert_tyco thy tyco);
514 fun read_inst thy (raw_tyco, raw_class) =
515 (read_class thy raw_class, read_tyco thy raw_tyco);
517 fun gen_add_syntax (mapp, upd, del) prep_x prep_syn target raw_x some_raw_syn thy =
519 val x = prep_x thy raw_x;
520 val change = case some_raw_syn
521 of SOME raw_syn => upd (x, prep_syn thy x raw_syn)
523 in (map_symbol_syntax target o mapp) change thy end;
525 fun gen_add_class_syntax prep_class =
526 gen_add_syntax (apfst o apfst, Symtab.update, Symtab.delete_safe) prep_class ((K o K) I);
528 fun gen_add_instance_syntax prep_inst =
529 gen_add_syntax (apfst o apsnd, Symreltab.update, Symreltab.delete_safe) prep_inst ((K o K) I);
531 fun gen_add_tyco_syntax prep_tyco =
532 gen_add_syntax (apsnd o apfst, Symtab.update, Symtab.delete_safe) prep_tyco
533 (fn thy => fn tyco => fn syn => if fst syn <> Sign.arity_number thy tyco
534 then error ("Number of arguments mismatch in syntax for type constructor " ^ quote tyco)
537 fun gen_add_const_syntax prep_const =
538 gen_add_syntax (apsnd o apsnd, Symtab.update, Symtab.delete_safe) prep_const
539 (fn thy => fn c => fn syn =>
540 if Code_Printer.requires_args syn > Code.args_number thy c
541 then error ("Too many arguments in syntax for constant " ^ quote c)
544 fun add_reserved target =
546 fun add sym syms = if member (op =) syms sym
547 then error ("Reserved symbol " ^ quote sym ^ " already declared")
548 else insert (op =) sym syms
549 in map_reserved target o add end;
551 fun gen_add_include read_const target args thy =
553 fun add (name, SOME (content, raw_cs)) incls =
555 val _ = if Symtab.defined incls name
556 then warning ("Overwriting existing include " ^ name)
558 val cs = map (read_const thy) raw_cs;
559 in Symtab.update (name, (Code_Printer.str content, cs)) incls end
560 | add (name, NONE) incls = Symtab.delete name incls;
561 in map_includes target (add args) thy end;
563 val add_include = gen_add_include (K I);
564 val add_include_cmd = gen_add_include Code.read_const;
566 fun add_module_alias target (thyname, "") =
567 map_module_alias target (Symtab.delete thyname)
568 | add_module_alias target (thyname, modlname) =
570 val xs = Long_Name.explode modlname;
571 val xs' = map (Name.desymbolize true) xs;
573 then map_module_alias target (Symtab.update (thyname, modlname))
574 else error ("Invalid module name: " ^ quote modlname ^ "\n"
575 ^ "perhaps try " ^ quote (Long_Name.implode xs'))
578 fun gen_allow_abort prep_const raw_c thy =
580 val c = prep_const thy raw_c;
581 in thy |> (Targets.map o apfst o apsnd) (insert (op =) c) end;
584 (* concrete syntax *)
588 fun zip_list (x::xs) f g =
591 fold_map (fn x => g |-- f >> pair x) xs
592 :|-- (fn xys => pair ((x, y) :: xys)));
594 fun process_multi_syntax parse_thing parse_syntax change =
595 (Parse.and_list1 parse_thing
596 :|-- (fn things => Scan.repeat1 (Parse.$$$ "(" |-- Parse.name --
597 (zip_list things parse_syntax (Parse.$$$ "and")) --| Parse.$$$ ")")))
598 >> (Toplevel.theory oo fold)
599 (fn (target, syns) => fold (fn (raw_x, syn) => change target raw_x syn) syns);
603 val add_class_syntax = gen_add_class_syntax cert_class;
604 val add_instance_syntax = gen_add_instance_syntax cert_inst;
605 val add_tyco_syntax = gen_add_tyco_syntax cert_tyco;
606 val add_const_syntax = gen_add_const_syntax (K I);
607 val allow_abort = gen_allow_abort (K I);
608 val add_reserved = add_reserved;
609 val add_include = add_include;
611 val add_class_syntax_cmd = gen_add_class_syntax read_class;
612 val add_instance_syntax_cmd = gen_add_instance_syntax read_inst;
613 val add_tyco_syntax_cmd = gen_add_tyco_syntax read_tyco;
614 val add_const_syntax_cmd = gen_add_const_syntax Code.read_const;
615 val allow_abort_cmd = gen_allow_abort Code.read_const;
617 fun parse_args f args =
618 case Scan.read Token.stopper f args
620 | NONE => error "Bad serializer arguments";
625 val (inK, module_nameK, fileK, checkingK) = ("in", "module_name", "file", "checking");
627 val code_expr_argsP = Scan.optional (Parse.$$$ "(" |-- Args.parse --| Parse.$$$ ")") [];
630 Scan.repeat1 Parse.term_group :|-- (fn raw_cs =>
631 ((Parse.$$$ checkingK |-- Scan.repeat (Parse.name
632 -- ((Parse.$$$ "?" |-- Scan.succeed false) || Scan.succeed true) -- code_expr_argsP))
633 >> (fn seris => check_code_cmd raw_cs seris)
634 || Scan.repeat (Parse.$$$ inK |-- Parse.name
635 -- Scan.optional (Parse.$$$ module_nameK |-- Parse.name) ""
636 -- Scan.optional (Parse.$$$ fileK |-- Parse.name) ""
637 -- code_expr_argsP) >> (fn seris => export_code_cmd raw_cs seris)));
639 val _ = List.app Keyword.keyword [inK, module_nameK, fileK, checkingK];
642 Outer_Syntax.command "code_class" "define code syntax for class" Keyword.thy_decl (
643 process_multi_syntax Parse.xname (Scan.option Parse.string)
644 add_class_syntax_cmd);
647 Outer_Syntax.command "code_instance" "define code syntax for instance" Keyword.thy_decl (
648 process_multi_syntax (Parse.xname --| Parse.$$$ "::" -- Parse.xname)
649 (Scan.option (Parse.minus >> K ()))
650 add_instance_syntax_cmd);
653 Outer_Syntax.command "code_type" "define code syntax for type constructor" Keyword.thy_decl (
654 process_multi_syntax Parse.xname Code_Printer.parse_tyco_syntax
655 add_tyco_syntax_cmd);
658 Outer_Syntax.command "code_const" "define code syntax for constant" Keyword.thy_decl (
659 process_multi_syntax Parse.term_group Code_Printer.parse_const_syntax
660 add_const_syntax_cmd);
663 Outer_Syntax.command "code_reserved" "declare words as reserved for target language"
665 Parse.name -- Scan.repeat1 Parse.name
666 >> (fn (target, reserveds) => (Toplevel.theory o fold (add_reserved target)) reserveds)
670 Outer_Syntax.command "code_include" "declare piece of code to be included in generated code"
672 Parse.name -- Parse.name -- (Parse.text :|-- (fn "-" => Scan.succeed NONE
673 | s => Scan.optional (Parse.$$$ "attach" |-- Scan.repeat1 Parse.term) [] >> pair s >> SOME))
674 >> (fn ((target, name), content_consts) =>
675 (Toplevel.theory o add_include_cmd target) (name, content_consts))
679 Outer_Syntax.command "code_modulename" "alias module to other name" Keyword.thy_decl (
680 Parse.name -- Scan.repeat1 (Parse.name -- Parse.name)
681 >> (fn (target, modlnames) => (Toplevel.theory o fold (add_module_alias target)) modlnames)
685 Outer_Syntax.command "code_abort" "permit constant to be implemented as program abort"
687 Scan.repeat1 Parse.term_group >> (Toplevel.theory o fold allow_abort_cmd)
691 Outer_Syntax.command "export_code" "generate executable code for constants"
692 Keyword.diag (Parse.!!! code_exprP >> (fn f => Toplevel.keep (f o Toplevel.theory_of)));
697 (** external entrance point -- for codegen tool **)
699 fun codegen_tool thyname qnd cmd_expr =
701 val thy = Thy_Info.get_theory thyname;
702 val _ = quick_and_dirty := qnd;
703 val parse = Scan.read Token.stopper (Parse.!!! code_exprP) o
704 (filter Token.is_proper o Outer_Syntax.scan Position.none);
705 in case parse cmd_expr
706 of SOME f => (writeln "Now generating code..."; f thy)
707 | NONE => error ("Bad directive " ^ quote cmd_expr)