also consider current working directory (cf. 3a5a5a992519)
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 evaluator: theory -> string -> Code_Thingol.naming -> Code_Thingol.program
32 -> string list -> ((string * class list) list * Code_Thingol.itype) * Code_Thingol.iterm
36 type literals = Code_Printer.literals
37 val add_target: string * { serializer: serializer, literals: literals,
38 check: { env_var: string, make_destination: Path.T -> Path.T, make_command: string -> string } }
40 val extend_target: string *
41 (string * (Code_Thingol.naming -> Code_Thingol.program -> Code_Thingol.program))
43 val assert_target: theory -> string -> string
44 val the_literals: theory -> string -> literals
46 val parse_args: 'a parser -> Token.T list -> 'a
47 val serialization: (int -> Path.T option -> 'a -> unit)
48 -> (string list -> int -> 'a -> string * (string -> string option))
49 -> 'a -> serialization
50 val set_default_code_width: int -> theory -> theory
52 val allow_abort: string -> theory -> theory
53 type tyco_syntax = Code_Printer.tyco_syntax
54 type const_syntax = Code_Printer.const_syntax
55 val add_class_syntax: string -> class -> string option -> theory -> theory
56 val add_instance_syntax: string -> class * string -> unit option -> theory -> theory
57 val add_tyco_syntax: string -> string -> tyco_syntax option -> theory -> theory
58 val add_const_syntax: string -> string -> const_syntax option -> theory -> theory
59 val add_reserved: string -> string -> theory -> theory
60 val add_include: string -> string * (string * string list) option -> theory -> theory
62 val codegen_tool: string (*theory name*) -> string (*export_code expr*) -> unit
64 val setup: theory -> theory
67 structure Code_Target : CODE_TARGET =
70 open Basic_Code_Thingol;
72 type literals = Code_Printer.literals;
73 type tyco_syntax = Code_Printer.tyco_syntax;
74 type const_syntax = Code_Printer.const_syntax;
77 (** abstract nonsense **)
79 datatype destination = Export of Path.T option | Produce | Present of string list;
80 type serialization = int -> destination -> (string * (string -> string option)) option;
82 fun serialization output _ content width (Export some_path) =
83 (output width some_path content; NONE)
84 | serialization _ string content width Produce =
85 string [] width content |> SOME
86 | serialization _ string content width (Present stmt_names) =
87 string stmt_names width content
88 |> apfst (Pretty.output (SOME width) o Pretty.str)
91 fun export some_path f = (f (Export some_path); ());
92 fun produce f = the (f Produce);
93 fun present stmt_names f = fst (the (f (Present stmt_names)));
98 datatype symbol_syntax_data = Symbol_Syntax_Data of {
99 class: string Symtab.table,
100 instance: unit Symreltab.table,
101 tyco: Code_Printer.tyco_syntax Symtab.table,
102 const: Code_Printer.const_syntax Symtab.table
105 fun make_symbol_syntax_data ((class, instance), (tyco, const)) =
106 Symbol_Syntax_Data { class = class, instance = instance, tyco = tyco, const = const };
107 fun map_symbol_syntax_data f (Symbol_Syntax_Data { class, instance, tyco, const }) =
108 make_symbol_syntax_data (f ((class, instance), (tyco, const)));
109 fun merge_symbol_syntax_data
110 (Symbol_Syntax_Data { class = class1, instance = instance1, tyco = tyco1, const = const1 },
111 Symbol_Syntax_Data { class = class2, instance = instance2, tyco = tyco2, const = const2 }) =
112 make_symbol_syntax_data (
113 (Symtab.join (K snd) (class1, class2),
114 Symreltab.join (K snd) (instance1, instance2)),
115 (Symtab.join (K snd) (tyco1, tyco2),
116 Symtab.join (K snd) (const1, const2))
119 type serializer = Token.T list
121 labelled_name: string -> string,
122 reserved_syms: string list,
123 includes: (string * Pretty.T) list,
124 module_alias: string -> string option,
125 class_syntax: string -> string option,
126 tyco_syntax: string -> Code_Printer.tyco_syntax option,
127 const_syntax: string -> Code_Printer.activated_const_syntax option }
128 -> Code_Thingol.program
131 datatype description = Fundamental of { serializer: serializer,
133 check: { env_var: string, make_destination: Path.T -> Path.T,
134 make_command: string -> string } }
135 | Extension of string *
136 (Code_Thingol.naming -> Code_Thingol.program -> Code_Thingol.program);
138 datatype target = Target of {
140 description: description,
141 reserved: string list,
142 includes: (Pretty.T * string list) Symtab.table,
143 module_alias: string Symtab.table,
144 symbol_syntax: symbol_syntax_data
147 fun make_target ((serial, description), ((reserved, includes), (module_alias, symbol_syntax))) =
148 Target { serial = serial, description = description, reserved = reserved,
149 includes = includes, module_alias = module_alias, symbol_syntax = symbol_syntax };
150 fun map_target f ( Target { serial, description, reserved, includes, module_alias, symbol_syntax } ) =
151 make_target (f ((serial, description), ((reserved, includes), (module_alias, symbol_syntax))));
152 fun merge_target strict target (Target { serial = serial1, description = description,
153 reserved = reserved1, includes = includes1,
154 module_alias = module_alias1, symbol_syntax = symbol_syntax1 },
155 Target { serial = serial2, description = _,
156 reserved = reserved2, includes = includes2,
157 module_alias = module_alias2, symbol_syntax = symbol_syntax2 }) =
158 if serial1 = serial2 orelse not strict then
159 make_target ((serial1, description),
160 ((merge (op =) (reserved1, reserved2), Symtab.join (K snd) (includes1, includes2)),
161 (Symtab.join (K snd) (module_alias1, module_alias2),
162 merge_symbol_syntax_data (symbol_syntax1, symbol_syntax2))
165 error ("Incompatible targets: " ^ quote target);
167 fun the_description (Target { description, ... }) = description;
168 fun the_reserved (Target { reserved, ... }) = reserved;
169 fun the_includes (Target { includes, ... }) = includes;
170 fun the_module_alias (Target { module_alias , ... }) = module_alias;
171 fun the_symbol_syntax (Target { symbol_syntax = Symbol_Syntax_Data x, ... }) = x;
173 structure Targets = Theory_Data
175 type T = (target Symtab.table * string list) * int;
176 val empty = ((Symtab.empty, []), 80);
178 fun merge (((target1, exc1), width1), ((target2, exc2), width2)) : T =
179 ((Symtab.join (merge_target true) (target1, target2),
180 Library.merge (op =) (exc1, exc2)), Int.max (width1, width2));
183 val abort_allowed = snd o fst o Targets.get;
185 fun assert_target thy target = if Symtab.defined ((fst o fst) (Targets.get thy)) target
187 else error ("Unknown code target language: " ^ quote target);
189 fun put_target (target, seri) thy =
191 val lookup_target = Symtab.lookup ((fst o fst) (Targets.get thy));
193 of Extension (super, _) => if is_some (lookup_target super) then ()
194 else error ("Unknown code target language: " ^ quote super)
196 val overwriting = case (Option.map the_description o lookup_target) target
198 | SOME (Extension _) => true
199 | SOME (Fundamental _) => (case seri
200 of Extension _ => error ("Will not overwrite existing target " ^ quote target)
202 val _ = if overwriting
203 then warning ("Overwriting existing target " ^ quote target)
207 |> (Targets.map o apfst o apfst o Symtab.update)
208 (target, make_target ((serial (), seri), (([], Symtab.empty),
209 (Symtab.empty, make_symbol_syntax_data ((Symtab.empty, Symreltab.empty),
210 (Symtab.empty, Symtab.empty))))))
213 fun add_target (target, seri) = put_target (target, Fundamental seri);
214 fun extend_target (target, (super, modify)) =
215 put_target (target, Extension (super, modify));
217 fun map_target_data target f thy =
219 val _ = assert_target thy target;
222 |> (Targets.map o apfst o apfst o Symtab.map_entry target o map_target) f
225 fun map_reserved target =
226 map_target_data target o apsnd o apfst o apfst;
227 fun map_includes target =
228 map_target_data target o apsnd o apfst o apsnd;
229 fun map_module_alias target =
230 map_target_data target o apsnd o apsnd o apfst;
231 fun map_symbol_syntax target =
232 map_target_data target o apsnd o apsnd o apsnd o map_symbol_syntax_data;
234 fun set_default_code_width k = (Targets.map o apsnd) (K k);
237 (** serializer usage **)
241 fun the_fundamental thy =
243 val ((targets, _), _) = Targets.get thy;
244 fun fundamental target = case Symtab.lookup targets target
245 of SOME data => (case the_description data
246 of Fundamental data => data
247 | Extension (super, _) => fundamental super)
248 | NONE => error ("Unknown code target language: " ^ quote target);
251 fun the_literals thy = #literals o the_fundamental thy;
253 fun collapse_hierarchy thy =
255 val ((targets, _), _) = Targets.get thy;
256 fun collapse target =
258 val data = case Symtab.lookup targets target
260 | NONE => error ("Unknown code target language: " ^ quote target);
261 in case the_description data
262 of Fundamental _ => (K I, data)
263 | Extension (super, modify) => let
264 val (modify', data') = collapse super
265 in (fn naming => modify' naming #> modify naming, merge_target false target (data', data)) end
271 fun activate_target thy target =
273 val ((_, abortable), default_width) = Targets.get thy;
274 val (modify, data) = collapse_hierarchy thy target;
275 in (default_width, abortable, data, modify) end;
277 fun activate_syntax lookup_name src_tab = Symtab.empty
278 |> fold_map (fn thing_identifier => fn tab => case lookup_name thing_identifier
279 of SOME name => (SOME name,
280 Symtab.update_new (name, the (Symtab.lookup src_tab thing_identifier)) tab)
281 | NONE => (NONE, tab)) (Symtab.keys src_tab)
284 fun activate_const_syntax thy literals src_tab naming = (Symtab.empty, naming)
285 |> fold_map (fn c => fn (tab, naming) =>
286 case Code_Thingol.lookup_const naming c
288 val (syn, naming') = Code_Printer.activate_const_syntax thy
289 literals c (the (Symtab.lookup src_tab c)) naming
290 in (SOME name, (Symtab.update_new (name, syn) tab, naming')) end
291 | NONE => (NONE, (tab, naming))) (Symtab.keys src_tab)
294 fun activate_symbol_syntax thy literals naming
295 class_syntax instance_syntax tyco_syntax const_syntax =
297 val (names_class, class_syntax') =
298 activate_syntax (Code_Thingol.lookup_class naming) class_syntax;
299 val names_inst = map_filter (Code_Thingol.lookup_instance naming)
300 (Symreltab.keys instance_syntax);
301 val (names_tyco, tyco_syntax') =
302 activate_syntax (Code_Thingol.lookup_tyco naming) tyco_syntax;
303 val (names_const, (const_syntax', _)) =
304 activate_const_syntax thy literals const_syntax naming;
306 (names_class @ names_inst @ names_tyco @ names_const,
307 (class_syntax', tyco_syntax', const_syntax'))
310 fun project_program thy abortable names_hidden names1 program2 =
312 val ctxt = Proof_Context.init_global thy;
313 val names2 = subtract (op =) names_hidden names1;
314 val program3 = Graph.restrict (not o member (op =) names_hidden) program2;
315 val names4 = Graph.all_succs program3 names2;
316 val empty_funs = filter_out (member (op =) abortable)
317 (Code_Thingol.empty_funs program3);
319 if null empty_funs then ()
320 else error ("No code equations for " ^
321 commas (map (Proof_Context.extern_const ctxt) empty_funs));
322 val program4 = Graph.restrict (member (op =) names4) program3;
323 in (names4, program4) end;
325 fun prepare_serializer thy abortable serializer literals reserved all_includes
326 module_alias proto_class_syntax proto_instance_syntax proto_tyco_syntax proto_const_syntax
327 module_name args naming proto_program names =
329 val (names_hidden, (class_syntax, tyco_syntax, const_syntax)) =
330 activate_symbol_syntax thy literals naming
331 proto_class_syntax proto_instance_syntax proto_tyco_syntax proto_const_syntax;
332 val (names_all, program) = project_program thy abortable names_hidden names proto_program;
333 fun select_include (name, (content, cs)) =
334 if null cs orelse exists (fn c => case Code_Thingol.lookup_const naming c
335 of SOME name => member (op =) names_all name
337 then SOME (name, content) else NONE;
338 val includes = map_filter select_include (Symtab.dest all_includes);
341 labelled_name = Code_Thingol.labelled_name thy proto_program,
342 reserved_syms = reserved,
344 module_alias = if module_name = "" then Symtab.lookup module_alias else K (SOME module_name),
345 class_syntax = Symtab.lookup class_syntax,
346 tyco_syntax = Symtab.lookup tyco_syntax,
347 const_syntax = Symtab.lookup const_syntax },
351 fun mount_serializer thy target some_width module_name args naming program names =
353 val (default_width, abortable, data, modify) = activate_target thy target;
354 val serializer = case the_description data
355 of Fundamental seri => #serializer seri;
356 val reserved = the_reserved data;
357 val module_alias = the_module_alias data
358 val { class, instance, tyco, const } = the_symbol_syntax data;
359 val literals = the_literals thy target;
360 val (prepared_serializer, prepared_program) = prepare_serializer thy
361 abortable serializer literals reserved (the_includes data) module_alias
362 class instance tyco const module_name args
363 naming (modify naming program) names
364 val width = the_default default_width some_width;
365 in (fn program => prepared_serializer program width, prepared_program) end;
367 fun invoke_serializer thy target some_width module_name args naming program names =
369 val (mounted_serializer, prepared_program) = mount_serializer thy
370 target some_width module_name args naming program names;
371 in mounted_serializer prepared_program end;
373 fun assert_module_name "" = error ("Empty module name not allowed.")
374 | assert_module_name module_name = module_name;
376 fun using_master_directory thy =
377 Option.map (Path.append (File.pwd ()) o Path.append (Thy_Load.master_directory thy));
381 fun export_code_for thy some_path target some_width module_name args =
382 export (using_master_directory thy some_path)
383 ooo invoke_serializer thy target some_width module_name args;
385 fun produce_code_for thy target some_width module_name args =
387 val serializer = invoke_serializer thy target some_width (assert_module_name module_name) args;
388 in fn naming => fn program => fn names =>
389 produce (serializer naming program names) |> apsnd (fn deresolve => map deresolve names)
392 fun present_code_for thy target some_width module_name args =
394 val serializer = invoke_serializer thy target some_width (assert_module_name module_name) args;
395 in fn naming => fn program => fn (names, selects) =>
396 present selects (serializer naming program names)
399 fun check_code_for thy target strict args naming program names_cs =
401 val module_name = "Generated_Code";
402 val { env_var, make_destination, make_command } =
403 (#check o the_fundamental thy) target;
406 val destination = make_destination p;
407 val _ = export (SOME destination) (invoke_serializer thy target (SOME 80)
408 module_name args naming program names_cs);
409 val cmd = make_command module_name;
411 if Isabelle_System.bash ("cd " ^ File.shell_path p ^ " && " ^ cmd ^ " 2>&1") <> 0
412 then error ("Code check failed for " ^ target ^ ": " ^ cmd)
416 if getenv env_var = ""
418 then error (env_var ^ " not set; cannot check code for " ^ target)
419 else warning (env_var ^ " not set; skipped checking code for " ^ target)
420 else Isabelle_System.with_tmp_dir "Code_Test" ext_check
423 fun evaluation mounted_serializer prepared_program consts ((vs, ty), t) =
425 val _ = if Code_Thingol.contains_dict_var t then
426 error "Term to be evaluated contains free dictionaries" else ();
427 val v' = singleton (Name.variant_list (map fst vs)) "a";
428 val vs' = (v', []) :: vs;
429 val ty' = Code_Thingol.fun_tyco `%% [ITyVar v', ty];
430 val value_name = "Value.value.value"
431 val program = prepared_program
432 |> Graph.new_node (value_name,
433 Code_Thingol.Fun (Term.dummy_patternN, (((vs', ty'), [(([IVar NONE], t), (NONE, true))]), NONE)))
434 |> fold (curry (perhaps o try o Graph.add_edge) value_name) consts;
435 val (program_code, deresolve) = produce (mounted_serializer program);
436 val value_name' = the (deresolve value_name);
437 in (program_code, value_name') end;
439 fun evaluator thy target naming program consts =
441 val (mounted_serializer, prepared_program) = mount_serializer thy
442 target NONE "Generated_Code" [] naming program consts;
443 in evaluation mounted_serializer prepared_program consts end;
448 (* code generation *)
450 fun transitivly_non_empty_funs thy naming program =
452 val cs = subtract (op =) (abort_allowed thy) (Code_Thingol.empty_funs program);
453 val names = map_filter (Code_Thingol.lookup_const naming) cs;
454 in subtract (op =) (Graph.all_preds program names) (Graph.keys program) end;
456 fun read_const_exprs thy cs =
458 val (cs1, cs2) = Code_Thingol.read_const_exprs thy cs;
459 val (names2, (naming, program)) = Code_Thingol.consts_program thy true cs2;
460 val names3 = transitivly_non_empty_funs thy naming program;
461 val cs3 = map_filter (fn (c, name) =>
462 if member (op =) names3 name then SOME c else NONE) (cs2 ~~ names2);
463 in union (op =) cs3 cs1 end;
465 fun prep_destination "" = NONE
466 | prep_destination "-" = NONE
467 | prep_destination s = SOME (Path.explode s);
469 fun export_code thy cs seris =
471 val (names_cs, (naming, program)) = Code_Thingol.consts_program thy false cs;
472 val _ = map (fn (((target, module_name), some_path), args) =>
473 export_code_for thy some_path target NONE module_name args naming program names_cs) seris;
476 fun export_code_cmd raw_cs seris thy = export_code thy (read_const_exprs thy raw_cs)
477 ((map o apfst o apsnd) prep_destination seris);
479 fun produce_code thy cs target some_width some_module_name args =
481 val (names_cs, (naming, program)) = Code_Thingol.consts_program thy false cs;
482 in produce_code_for thy target some_width some_module_name args naming program names_cs end;
484 fun present_code thy cs names_stmt target some_width some_module_name args =
486 val (names_cs, (naming, program)) = Code_Thingol.consts_program thy false cs;
487 in present_code_for thy target some_width some_module_name args naming program (names_cs, names_stmt naming) end;
489 fun check_code thy cs seris =
491 val (names_cs, (naming, program)) = Code_Thingol.consts_program thy false cs;
492 val _ = map (fn ((target, strict), args) =>
493 check_code_for thy target strict args naming program names_cs) seris;
496 fun check_code_cmd raw_cs seris thy = check_code thy (read_const_exprs thy raw_cs) seris;
500 val parse_const_terms = Scan.repeat1 Args.term
501 >> (fn ts => fn thy => map (Code.check_const thy) ts);
503 fun parse_names category parse internalize lookup =
504 Scan.lift (Args.parens (Args.$$$ category)) |-- Scan.repeat1 parse
505 >> (fn xs => fn thy => fn naming => map_filter (lookup naming o internalize thy) xs);
507 val parse_consts = parse_names "consts" Args.term
508 Code.check_const Code_Thingol.lookup_const ;
510 val parse_types = parse_names "types" (Scan.lift Args.name)
511 Sign.intern_type Code_Thingol.lookup_tyco;
513 val parse_classes = parse_names "classes" (Scan.lift Args.name)
514 Sign.intern_class Code_Thingol.lookup_class;
516 val parse_instances = parse_names "instances" (Scan.lift (Args.name --| Args.$$$ "::" -- Args.name))
517 (fn thy => fn (raw_tyco, raw_class) => (Sign.intern_class thy raw_class, Sign.intern_type thy raw_tyco))
518 Code_Thingol.lookup_instance;
523 Thy_Output.antiquotation @{binding code_stmts}
524 (parse_const_terms --
525 Scan.repeat (parse_consts || parse_types || parse_classes || parse_instances)
526 -- Scan.lift (Args.parens (Args.name -- Scan.option Parse.int)))
527 (fn {context = ctxt, ...} => fn ((mk_cs, mk_stmtss), (target, some_width)) =>
528 let val thy = Proof_Context.theory_of ctxt in
529 present_code thy (mk_cs thy)
530 (fn naming => maps (fn f => f thy naming) mk_stmtss)
531 target some_width "Example" []
537 (** serializer configuration **)
541 fun cert_class thy class =
543 val _ = AxClass.get_info thy class;
546 fun read_class thy = cert_class thy o Sign.intern_class thy;
548 fun cert_tyco thy tyco =
550 val _ = if Sign.declared_tyname thy tyco then ()
551 else error ("No such type constructor: " ^ quote tyco);
554 fun read_tyco thy = cert_tyco thy o Sign.intern_type thy;
556 fun cert_inst thy (class, tyco) =
557 (cert_class thy class, cert_tyco thy tyco);
559 fun read_inst thy (raw_tyco, raw_class) =
560 (read_class thy raw_class, read_tyco thy raw_tyco);
562 fun gen_add_syntax (mapp, upd, del) prep_x prep_syn target raw_x some_raw_syn thy =
564 val x = prep_x thy raw_x;
565 val change = case some_raw_syn
566 of SOME raw_syn => upd (x, prep_syn thy x raw_syn)
568 in (map_symbol_syntax target o mapp) change thy end;
570 fun gen_add_class_syntax prep_class =
571 gen_add_syntax (apfst o apfst, Symtab.update, Symtab.delete_safe) prep_class ((K o K) I);
573 fun gen_add_instance_syntax prep_inst =
574 gen_add_syntax (apfst o apsnd, Symreltab.update, Symreltab.delete_safe) prep_inst ((K o K) I);
576 fun gen_add_tyco_syntax prep_tyco =
577 gen_add_syntax (apsnd o apfst, Symtab.update, Symtab.delete_safe) prep_tyco
578 (fn thy => fn tyco => fn syn => if fst syn <> Sign.arity_number thy tyco
579 then error ("Number of arguments mismatch in syntax for type constructor " ^ quote tyco)
582 fun gen_add_const_syntax prep_const =
583 gen_add_syntax (apsnd o apsnd, Symtab.update, Symtab.delete_safe) prep_const
584 (fn thy => fn c => fn syn =>
585 if Code_Printer.requires_args syn > Code.args_number thy c
586 then error ("Too many arguments in syntax for constant " ^ quote c)
589 fun add_reserved target sym thy =
591 val (_, data) = collapse_hierarchy thy target;
592 val _ = if member (op =) (the_reserved data) sym
593 then error ("Reserved symbol " ^ quote sym ^ " already declared")
597 |> map_reserved target (insert (op =) sym)
600 fun gen_add_include read_const target args thy =
602 fun add (name, SOME (content, raw_cs)) incls =
604 val _ = if Symtab.defined incls name
605 then warning ("Overwriting existing include " ^ name)
607 val cs = map (read_const thy) raw_cs;
608 in Symtab.update (name, (Code_Printer.str content, cs)) incls end
609 | add (name, NONE) incls = Symtab.delete name incls;
610 in map_includes target (add args) thy end;
612 val add_include = gen_add_include (K I);
613 val add_include_cmd = gen_add_include Code.read_const;
615 fun add_module_alias target (thyname, "") =
616 map_module_alias target (Symtab.delete thyname)
617 | add_module_alias target (thyname, modlname) =
619 val xs = Long_Name.explode modlname;
620 val xs' = map (Name.desymbolize true) xs;
622 then map_module_alias target (Symtab.update (thyname, modlname))
623 else error ("Invalid module name: " ^ quote modlname ^ "\n"
624 ^ "perhaps try " ^ quote (Long_Name.implode xs'))
627 fun gen_allow_abort prep_const raw_c thy =
629 val c = prep_const thy raw_c;
630 in thy |> (Targets.map o apfst o apsnd) (insert (op =) c) end;
633 (* concrete syntax *)
637 fun zip_list (x :: xs) f g =
640 fold_map (fn x => g |-- f >> pair x) xs
641 :|-- (fn xys => pair ((x, y) :: xys)));
643 fun process_multi_syntax parse_thing parse_syntax change =
644 (Parse.and_list1 parse_thing
645 :|-- (fn things => Scan.repeat1 (@{keyword "("} |-- Parse.name --
646 (zip_list things parse_syntax @{keyword "and"}) --| @{keyword ")"})))
647 >> (Toplevel.theory oo fold)
648 (fn (target, syns) => fold (fn (raw_x, syn) => change target raw_x syn) syns);
652 val add_class_syntax = gen_add_class_syntax cert_class;
653 val add_instance_syntax = gen_add_instance_syntax cert_inst;
654 val add_tyco_syntax = gen_add_tyco_syntax cert_tyco;
655 val add_const_syntax = gen_add_const_syntax (K I);
656 val allow_abort = gen_allow_abort (K I);
657 val add_reserved = add_reserved;
658 val add_include = add_include;
660 val add_class_syntax_cmd = gen_add_class_syntax read_class;
661 val add_instance_syntax_cmd = gen_add_instance_syntax read_inst;
662 val add_tyco_syntax_cmd = gen_add_tyco_syntax read_tyco;
663 val add_const_syntax_cmd = gen_add_const_syntax Code.read_const;
664 val allow_abort_cmd = gen_allow_abort Code.read_const;
666 fun parse_args f args =
667 case Scan.read Token.stopper f args
669 | NONE => error "Bad serializer arguments";
674 val code_expr_argsP = Scan.optional (@{keyword "("} |-- Args.parse --| @{keyword ")"}) [];
677 Scan.repeat1 Parse.term_group :|-- (fn raw_cs =>
678 ((@{keyword "checking"} |-- Scan.repeat (Parse.name
679 -- ((@{keyword "?"} |-- Scan.succeed false) || Scan.succeed true) -- code_expr_argsP))
680 >> (fn seris => check_code_cmd raw_cs seris)
681 || Scan.repeat (@{keyword "in"} |-- Parse.name
682 -- Scan.optional (@{keyword "module_name"} |-- Parse.name) ""
683 -- Scan.optional (@{keyword "file"} |-- Parse.name) ""
684 -- code_expr_argsP) >> (fn seris => export_code_cmd raw_cs seris)));
687 Outer_Syntax.command @{command_spec "code_class"} "define code syntax for class"
688 (process_multi_syntax Parse.xname (Scan.option Parse.string)
689 add_class_syntax_cmd);
692 Outer_Syntax.command @{command_spec "code_instance"} "define code syntax for instance"
693 (process_multi_syntax (Parse.xname --| @{keyword "::"} -- Parse.xname)
694 (Scan.option (Parse.minus >> K ()))
695 add_instance_syntax_cmd);
698 Outer_Syntax.command @{command_spec "code_type"} "define code syntax for type constructor"
699 (process_multi_syntax Parse.xname Code_Printer.parse_tyco_syntax
700 add_tyco_syntax_cmd);
703 Outer_Syntax.command @{command_spec "code_const"} "define code syntax for constant"
704 (process_multi_syntax Parse.term_group Code_Printer.parse_const_syntax
705 add_const_syntax_cmd);
708 Outer_Syntax.command @{command_spec "code_reserved"}
709 "declare words as reserved for target language"
710 (Parse.name -- Scan.repeat1 Parse.name
711 >> (fn (target, reserveds) => (Toplevel.theory o fold (add_reserved target)) reserveds));
714 Outer_Syntax.command @{command_spec "code_include"}
715 "declare piece of code to be included in generated code"
716 (Parse.name -- Parse.name -- (Parse.text :|--
717 (fn "-" => Scan.succeed NONE
718 | s => Scan.optional (@{keyword "attach"} |-- Scan.repeat1 Parse.term) [] >> pair s >> SOME))
719 >> (fn ((target, name), content_consts) =>
720 (Toplevel.theory o add_include_cmd target) (name, content_consts)));
723 Outer_Syntax.command @{command_spec "code_modulename"} "alias module to other name"
724 (Parse.name -- Scan.repeat1 (Parse.name -- Parse.name)
725 >> (fn (target, modlnames) => (Toplevel.theory o fold (add_module_alias target)) modlnames));
728 Outer_Syntax.command @{command_spec "code_abort"}
729 "permit constant to be implemented as program abort"
730 (Scan.repeat1 Parse.term_group >> (Toplevel.theory o fold allow_abort_cmd));
733 Outer_Syntax.command @{command_spec "export_code"} "generate executable code for constants"
734 (Parse.!!! code_exprP >> (fn f => Toplevel.keep (f o Toplevel.theory_of)));
739 (** external entrance point -- for codegen tool **)
741 fun codegen_tool thyname cmd_expr =
743 val thy = Thy_Info.get_theory thyname;
744 val parse = Scan.read Token.stopper (Parse.!!! code_exprP) o
745 (filter Token.is_proper o Outer_Syntax.scan Position.none);
746 in case parse cmd_expr
747 of SOME f => (writeln "Now generating code..."; f thy)
748 | NONE => error ("Bad directive " ^ quote cmd_expr)
754 val setup = antiq_setup;