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,
39 make_command: string -> string -> string } } -> theory -> theory
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
65 structure Code_Target : CODE_TARGET =
68 open Basic_Code_Thingol;
70 type literals = Code_Printer.literals;
71 type tyco_syntax = Code_Printer.tyco_syntax;
72 type const_syntax = Code_Printer.const_syntax;
75 (** abstract nonsense **)
77 datatype destination = Export of Path.T option | Produce | Present of string list;
78 type serialization = int -> destination -> (string * (string -> string option)) option;
80 fun serialization output _ content width (Export some_path) =
81 (output width some_path content; NONE)
82 | serialization _ string content width Produce =
83 string [] width content |> SOME
84 | serialization _ string content width (Present stmt_names) =
85 string stmt_names width content
86 |> apfst (Pretty.output (SOME width) o Pretty.str)
89 fun export some_path f = (f (Export some_path); ());
90 fun produce f = the (f Produce);
91 fun present stmt_names f = fst (the (f (Present stmt_names)));
96 datatype symbol_syntax_data = Symbol_Syntax_Data of {
97 class: string Symtab.table,
98 instance: unit Symreltab.table,
99 tyco: Code_Printer.tyco_syntax Symtab.table,
100 const: Code_Printer.const_syntax Symtab.table
103 fun make_symbol_syntax_data ((class, instance), (tyco, const)) =
104 Symbol_Syntax_Data { class = class, instance = instance, tyco = tyco, const = const };
105 fun map_symbol_syntax_data f (Symbol_Syntax_Data { class, instance, tyco, const }) =
106 make_symbol_syntax_data (f ((class, instance), (tyco, const)));
107 fun merge_symbol_syntax_data
108 (Symbol_Syntax_Data { class = class1, instance = instance1, tyco = tyco1, const = const1 },
109 Symbol_Syntax_Data { class = class2, instance = instance2, tyco = tyco2, const = const2 }) =
110 make_symbol_syntax_data (
111 (Symtab.join (K snd) (class1, class2),
112 Symreltab.join (K snd) (instance1, instance2)),
113 (Symtab.join (K snd) (tyco1, tyco2),
114 Symtab.join (K snd) (const1, const2))
117 type serializer = Token.T list
119 labelled_name: string -> string,
120 reserved_syms: string list,
121 includes: (string * Pretty.T) list,
122 module_alias: string -> string option,
123 class_syntax: string -> string option,
124 tyco_syntax: string -> Code_Printer.tyco_syntax option,
125 const_syntax: string -> Code_Printer.activated_const_syntax option }
126 -> Code_Thingol.program
129 datatype description = Fundamental of { serializer: serializer,
131 check: { env_var: string, make_destination: Path.T -> Path.T,
132 make_command: string -> string -> string } }
133 | Extension of string *
134 (Code_Thingol.naming -> Code_Thingol.program -> Code_Thingol.program);
136 datatype target = Target of {
138 description: description,
139 reserved: string list,
140 includes: (Pretty.T * string list) Symtab.table,
141 module_alias: string Symtab.table,
142 symbol_syntax: symbol_syntax_data
145 fun make_target ((serial, description), ((reserved, includes), (module_alias, symbol_syntax))) =
146 Target { serial = serial, description = description, reserved = reserved,
147 includes = includes, module_alias = module_alias, symbol_syntax = symbol_syntax };
148 fun map_target f ( Target { serial, description, reserved, includes, module_alias, symbol_syntax } ) =
149 make_target (f ((serial, description), ((reserved, includes), (module_alias, symbol_syntax))));
150 fun merge_target strict target (Target { serial = serial1, description = description,
151 reserved = reserved1, includes = includes1,
152 module_alias = module_alias1, symbol_syntax = symbol_syntax1 },
153 Target { serial = serial2, description = _,
154 reserved = reserved2, includes = includes2,
155 module_alias = module_alias2, symbol_syntax = symbol_syntax2 }) =
156 if serial1 = serial2 orelse not strict then
157 make_target ((serial1, description),
158 ((merge (op =) (reserved1, reserved2), Symtab.join (K snd) (includes1, includes2)),
159 (Symtab.join (K snd) (module_alias1, module_alias2),
160 merge_symbol_syntax_data (symbol_syntax1, symbol_syntax2))
163 error ("Incompatible targets: " ^ quote target);
165 fun the_description (Target { description, ... }) = description;
166 fun the_reserved (Target { reserved, ... }) = reserved;
167 fun the_includes (Target { includes, ... }) = includes;
168 fun the_module_alias (Target { module_alias , ... }) = module_alias;
169 fun the_symbol_syntax (Target { symbol_syntax = Symbol_Syntax_Data x, ... }) = x;
171 structure Targets = Theory_Data
173 type T = (target Symtab.table * string list) * int;
174 val empty = ((Symtab.empty, []), 80);
176 fun merge (((target1, exc1), width1), ((target2, exc2), width2)) : T =
177 ((Symtab.join (merge_target true) (target1, target2),
178 Library.merge (op =) (exc1, exc2)), Int.max (width1, width2));
181 val abort_allowed = snd o fst o Targets.get;
183 fun assert_target thy target = if Symtab.defined ((fst o fst) (Targets.get thy)) target
185 else error ("Unknown code target language: " ^ quote target);
187 fun put_target (target, seri) thy =
189 val lookup_target = Symtab.lookup ((fst o fst) (Targets.get thy));
191 of Extension (super, _) => if is_some (lookup_target super) then ()
192 else error ("Unknown code target language: " ^ quote super)
194 val overwriting = case (Option.map the_description o lookup_target) target
196 | SOME (Extension _) => true
197 | SOME (Fundamental _) => (case seri
198 of Extension _ => error ("Will not overwrite existing target " ^ quote target)
200 val _ = if overwriting
201 then warning ("Overwriting existing target " ^ quote target)
205 |> (Targets.map o apfst o apfst o Symtab.update)
206 (target, make_target ((serial (), seri), (([], Symtab.empty),
207 (Symtab.empty, make_symbol_syntax_data ((Symtab.empty, Symreltab.empty),
208 (Symtab.empty, Symtab.empty))))))
211 fun add_target (target, seri) = put_target (target, Fundamental seri);
212 fun extend_target (target, (super, modify)) =
213 put_target (target, Extension (super, modify));
215 fun map_target_data target f thy =
217 val _ = assert_target thy target;
220 |> (Targets.map o apfst o apfst o Symtab.map_entry target o map_target) f
223 fun map_reserved target =
224 map_target_data target o apsnd o apfst o apfst;
225 fun map_includes target =
226 map_target_data target o apsnd o apfst o apsnd;
227 fun map_module_alias target =
228 map_target_data target o apsnd o apsnd o apfst;
229 fun map_symbol_syntax target =
230 map_target_data target o apsnd o apsnd o apsnd o map_symbol_syntax_data;
232 fun set_default_code_width k = (Targets.map o apsnd) (K k);
235 (** serializer usage **)
239 fun the_fundamental thy =
241 val ((targets, _), _) = Targets.get thy;
242 fun fundamental target = case Symtab.lookup targets target
243 of SOME data => (case the_description data
244 of Fundamental data => data
245 | Extension (super, _) => fundamental super)
246 | NONE => error ("Unknown code target language: " ^ quote target);
249 fun the_literals thy = #literals o the_fundamental thy;
251 fun collapse_hierarchy thy =
253 val ((targets, _), _) = Targets.get thy;
254 fun collapse target =
256 val data = case Symtab.lookup targets target
258 | NONE => error ("Unknown code target language: " ^ quote target);
259 in case the_description data
260 of Fundamental _ => (K I, data)
261 | Extension (super, modify) => let
262 val (modify', data') = collapse super
263 in (fn naming => modify' naming #> modify naming, merge_target false target (data', data)) end
269 fun activate_target thy target =
271 val ((targets, abortable), default_width) = Targets.get thy;
272 val (modify, data) = collapse_hierarchy thy target;
273 in (default_width, abortable, data, modify) end;
275 fun activate_syntax lookup_name src_tab = Symtab.empty
276 |> fold_map (fn thing_identifier => fn tab => case lookup_name thing_identifier
277 of SOME name => (SOME name,
278 Symtab.update_new (name, the (Symtab.lookup src_tab thing_identifier)) tab)
279 | NONE => (NONE, tab)) (Symtab.keys src_tab)
282 fun activate_const_syntax thy literals src_tab naming = (Symtab.empty, naming)
283 |> fold_map (fn c => fn (tab, naming) =>
284 case Code_Thingol.lookup_const naming c
286 val (syn, naming') = Code_Printer.activate_const_syntax thy
287 literals c (the (Symtab.lookup src_tab c)) naming
288 in (SOME name, (Symtab.update_new (name, syn) tab, naming')) end
289 | NONE => (NONE, (tab, naming))) (Symtab.keys src_tab)
292 fun activate_symbol_syntax thy literals naming
293 class_syntax instance_syntax tyco_syntax const_syntax =
295 val (names_class, class_syntax') =
296 activate_syntax (Code_Thingol.lookup_class naming) class_syntax;
297 val names_inst = map_filter (Code_Thingol.lookup_instance naming)
298 (Symreltab.keys instance_syntax);
299 val (names_tyco, tyco_syntax') =
300 activate_syntax (Code_Thingol.lookup_tyco naming) tyco_syntax;
301 val (names_const, (const_syntax', _)) =
302 activate_const_syntax thy literals const_syntax naming;
304 (names_class @ names_inst @ names_tyco @ names_const,
305 (class_syntax', tyco_syntax', const_syntax'))
308 fun project_program thy abortable names_hidden names1 program2 =
310 val names2 = subtract (op =) names_hidden names1;
311 val program3 = Graph.subgraph (not o member (op =) names_hidden) program2;
312 val names4 = Graph.all_succs program3 names2;
313 val empty_funs = filter_out (member (op =) abortable)
314 (Code_Thingol.empty_funs program3);
315 val _ = if null empty_funs then () else error ("No code equations for "
316 ^ commas (map (Sign.extern_const thy) empty_funs));
317 val program4 = Graph.subgraph (member (op =) names4) program3;
318 in (names4, program4) end;
320 fun prepare_serializer thy abortable serializer literals reserved all_includes
321 module_alias proto_class_syntax proto_instance_syntax proto_tyco_syntax proto_const_syntax
322 module_name args naming proto_program names =
324 val (names_hidden, (class_syntax, tyco_syntax, const_syntax)) =
325 activate_symbol_syntax thy literals naming
326 proto_class_syntax proto_instance_syntax proto_tyco_syntax proto_const_syntax;
327 val (names_all, program) = project_program thy abortable names_hidden names proto_program;
328 fun select_include (name, (content, cs)) =
329 if null cs orelse exists (fn c => case Code_Thingol.lookup_const naming c
330 of SOME name => member (op =) names_all name
332 then SOME (name, content) else NONE;
333 val includes = map_filter select_include (Symtab.dest all_includes);
336 labelled_name = Code_Thingol.labelled_name thy proto_program,
337 reserved_syms = reserved,
339 module_alias = if module_name = "" then Symtab.lookup module_alias else K (SOME module_name),
340 class_syntax = Symtab.lookup class_syntax,
341 tyco_syntax = Symtab.lookup tyco_syntax,
342 const_syntax = Symtab.lookup const_syntax },
346 fun mount_serializer thy target some_width module_name args naming program names =
348 val (default_width, abortable, data, modify) = activate_target thy target;
349 val serializer = case the_description data
350 of Fundamental seri => #serializer seri;
351 val reserved = the_reserved data;
352 val module_alias = the_module_alias data
353 val { class, instance, tyco, const } = the_symbol_syntax data;
354 val literals = the_literals thy target;
355 val (prepared_serializer, prepared_program) = prepare_serializer thy
356 abortable serializer literals reserved (the_includes data) module_alias
357 class instance tyco const module_name args
358 naming (modify naming program) names
359 val width = the_default default_width some_width;
360 in (fn program => prepared_serializer program width, prepared_program) end;
362 fun invoke_serializer thy target some_width module_name args naming program names =
364 val (mounted_serializer, prepared_program) = mount_serializer thy
365 target some_width module_name args naming program names;
366 in mounted_serializer prepared_program end;
368 fun assert_module_name "" = error ("Empty module name not allowed.")
369 | assert_module_name module_name = module_name;
373 fun export_code_for thy some_path target some_width module_name args =
374 export some_path ooo invoke_serializer thy target some_width module_name args;
376 fun produce_code_for thy target some_width module_name args =
378 val serializer = invoke_serializer thy target some_width (assert_module_name module_name) args;
379 in fn naming => fn program => fn names =>
380 produce (serializer naming program names) |> apsnd (fn deresolve => map deresolve names)
383 fun present_code_for thy target some_width module_name args =
385 val serializer = invoke_serializer thy target some_width (assert_module_name module_name) args;
386 in fn naming => fn program => fn (names, selects) =>
387 present selects (serializer naming program names)
390 fun check_code_for thy target strict args naming program names_cs =
392 val module_name = "Code";
393 val { env_var, make_destination, make_command } =
394 (#check o the_fundamental thy) target;
395 val env_param = getenv env_var;
396 fun ext_check env_param p =
398 val destination = make_destination p;
399 val _ = export (SOME destination) (invoke_serializer thy target (SOME 80)
400 module_name args naming program names_cs);
401 val cmd = make_command env_param module_name;
402 in if bash ("cd " ^ File.shell_path p ^ " && " ^ cmd ^ " 2>&1") <> 0
403 then error ("Code check failed for " ^ target ^ ": " ^ cmd)
408 then error (env_var ^ " not set; cannot check code for " ^ target)
409 else warning (env_var ^ " not set; skipped checking code for " ^ target)
410 else Isabelle_System.with_tmp_dir "Code_Test" (ext_check env_param)
413 fun evaluation mounted_serializer prepared_program consts ((vs, ty), t) =
415 val _ = if Code_Thingol.contains_dict_var t then
416 error "Term to be evaluated contains free dictionaries" else ();
417 val v' = Name.variant (map fst vs) "a";
418 val vs' = (v', []) :: vs;
419 val ty' = Code_Thingol.fun_tyco `%% [ITyVar v', ty];
420 val value_name = "Value.value.value"
421 val program = prepared_program
422 |> Graph.new_node (value_name,
423 Code_Thingol.Fun (Term.dummy_patternN, (((vs', ty'), [(([IVar NONE], t), (NONE, true))]), NONE)))
424 |> fold (curry (perhaps o try o Graph.add_edge) value_name) consts;
425 val (program_code, deresolve) = produce (mounted_serializer program);
426 val value_name' = the (deresolve value_name);
427 in (program_code, value_name') end;
429 fun evaluator thy target naming program consts =
431 val (mounted_serializer, prepared_program) = mount_serializer thy
432 target NONE "Code" [] naming program consts;
433 in evaluation mounted_serializer prepared_program consts end;
438 (* code generation *)
440 fun transitivly_non_empty_funs thy naming program =
442 val cs = subtract (op =) (abort_allowed thy) (Code_Thingol.empty_funs program);
443 val names = map_filter (Code_Thingol.lookup_const naming) cs;
444 in subtract (op =) (Graph.all_preds program names) (Graph.keys program) end;
446 fun read_const_exprs thy cs =
448 val (cs1, cs2) = Code_Thingol.read_const_exprs thy cs;
449 val (names2, (naming, program)) = Code_Thingol.consts_program thy true cs2;
450 val names3 = transitivly_non_empty_funs thy naming program;
451 val cs3 = map_filter (fn (c, name) =>
452 if member (op =) names3 name then SOME c else NONE) (cs2 ~~ names2);
453 in union (op =) cs3 cs1 end;
455 fun prep_destination "" = NONE
456 | prep_destination "-" = NONE
457 | prep_destination s = SOME (Path.explode s);
459 fun export_code thy cs seris =
461 val (names_cs, (naming, program)) = Code_Thingol.consts_program thy false cs;
462 val _ = map (fn (((target, module_name), some_path), args) =>
463 export_code_for thy some_path target NONE module_name args naming program names_cs) seris;
466 fun export_code_cmd raw_cs seris thy = export_code thy (read_const_exprs thy raw_cs)
467 ((map o apfst o apsnd) prep_destination seris);
469 fun produce_code thy cs target some_width some_module_name args =
471 val (names_cs, (naming, program)) = Code_Thingol.consts_program thy false cs;
472 in produce_code_for thy target some_width some_module_name args naming program names_cs end;
474 fun present_code thy cs names_stmt target some_width some_module_name args =
476 val (names_cs, (naming, program)) = Code_Thingol.consts_program thy false cs;
477 in present_code_for thy target some_width some_module_name args naming program (names_cs, names_stmt naming) end;
479 fun check_code thy cs seris =
481 val (names_cs, (naming, program)) = Code_Thingol.consts_program thy false cs;
482 val _ = map (fn ((target, strict), args) =>
483 check_code_for thy target strict args naming program names_cs) seris;
486 fun check_code_cmd raw_cs seris thy = check_code thy (read_const_exprs thy raw_cs) seris;
490 val parse_const_terms = Scan.repeat1 Args.term
491 >> (fn ts => fn thy => map (Code.check_const thy) ts);
493 fun parse_names category parse internalize lookup =
494 Scan.lift (Args.parens (Args.$$$ category)) |-- Scan.repeat1 parse
495 >> (fn xs => fn thy => fn naming => map_filter (lookup naming o internalize thy) xs);
497 val parse_consts = parse_names "consts" Args.term
498 Code.check_const Code_Thingol.lookup_const ;
500 val parse_types = parse_names "types" (Scan.lift Args.name)
501 Sign.intern_type Code_Thingol.lookup_tyco;
503 val parse_classes = parse_names "classes" (Scan.lift Args.name)
504 Sign.intern_class Code_Thingol.lookup_class;
506 val parse_instances = parse_names "instances" (Scan.lift (Args.name --| Args.$$$ "::" -- Args.name))
507 (fn thy => fn (raw_tyco, raw_class) => (Sign.intern_class thy raw_class, Sign.intern_type thy raw_tyco))
508 Code_Thingol.lookup_instance;
512 val _ = Thy_Output.antiquotation "code_stmts"
513 (parse_const_terms -- Scan.repeat (parse_consts || parse_types || parse_classes || parse_instances)
514 -- Scan.lift (Args.parens (Args.name -- Scan.option Parse.int)))
515 (fn {context = ctxt, ...} => fn ((mk_cs, mk_stmtss), (target, some_width)) =>
516 let val thy = ProofContext.theory_of ctxt in
517 present_code thy (mk_cs thy)
518 (fn naming => maps (fn f => f thy naming) mk_stmtss)
519 target some_width "Example" []
525 (** serializer configuration **)
529 fun cert_class thy class =
531 val _ = AxClass.get_info thy class;
534 fun read_class thy = cert_class thy o Sign.intern_class thy;
536 fun cert_tyco thy tyco =
538 val _ = if Sign.declared_tyname thy tyco then ()
539 else error ("No such type constructor: " ^ quote tyco);
542 fun read_tyco thy = cert_tyco thy o Sign.intern_type thy;
544 fun cert_inst thy (class, tyco) =
545 (cert_class thy class, cert_tyco thy tyco);
547 fun read_inst thy (raw_tyco, raw_class) =
548 (read_class thy raw_class, read_tyco thy raw_tyco);
550 fun gen_add_syntax (mapp, upd, del) prep_x prep_syn target raw_x some_raw_syn thy =
552 val x = prep_x thy raw_x;
553 val change = case some_raw_syn
554 of SOME raw_syn => upd (x, prep_syn thy x raw_syn)
556 in (map_symbol_syntax target o mapp) change thy end;
558 fun gen_add_class_syntax prep_class =
559 gen_add_syntax (apfst o apfst, Symtab.update, Symtab.delete_safe) prep_class ((K o K) I);
561 fun gen_add_instance_syntax prep_inst =
562 gen_add_syntax (apfst o apsnd, Symreltab.update, Symreltab.delete_safe) prep_inst ((K o K) I);
564 fun gen_add_tyco_syntax prep_tyco =
565 gen_add_syntax (apsnd o apfst, Symtab.update, Symtab.delete_safe) prep_tyco
566 (fn thy => fn tyco => fn syn => if fst syn <> Sign.arity_number thy tyco
567 then error ("Number of arguments mismatch in syntax for type constructor " ^ quote tyco)
570 fun gen_add_const_syntax prep_const =
571 gen_add_syntax (apsnd o apsnd, Symtab.update, Symtab.delete_safe) prep_const
572 (fn thy => fn c => fn syn =>
573 if Code_Printer.requires_args syn > Code.args_number thy c
574 then error ("Too many arguments in syntax for constant " ^ quote c)
577 fun add_reserved target sym thy =
579 val (_, data) = collapse_hierarchy thy target;
580 val _ = if member (op =) (the_reserved data) sym
581 then error ("Reserved symbol " ^ quote sym ^ " already declared")
585 |> map_reserved target (insert (op =) sym)
588 fun gen_add_include read_const target args thy =
590 fun add (name, SOME (content, raw_cs)) incls =
592 val _ = if Symtab.defined incls name
593 then warning ("Overwriting existing include " ^ name)
595 val cs = map (read_const thy) raw_cs;
596 in Symtab.update (name, (Code_Printer.str content, cs)) incls end
597 | add (name, NONE) incls = Symtab.delete name incls;
598 in map_includes target (add args) thy end;
600 val add_include = gen_add_include (K I);
601 val add_include_cmd = gen_add_include Code.read_const;
603 fun add_module_alias target (thyname, "") =
604 map_module_alias target (Symtab.delete thyname)
605 | add_module_alias target (thyname, modlname) =
607 val xs = Long_Name.explode modlname;
608 val xs' = map (Name.desymbolize true) xs;
610 then map_module_alias target (Symtab.update (thyname, modlname))
611 else error ("Invalid module name: " ^ quote modlname ^ "\n"
612 ^ "perhaps try " ^ quote (Long_Name.implode xs'))
615 fun gen_allow_abort prep_const raw_c thy =
617 val c = prep_const thy raw_c;
618 in thy |> (Targets.map o apfst o apsnd) (insert (op =) c) end;
621 (* concrete syntax *)
625 fun zip_list (x::xs) f g =
628 fold_map (fn x => g |-- f >> pair x) xs
629 :|-- (fn xys => pair ((x, y) :: xys)));
631 fun process_multi_syntax parse_thing parse_syntax change =
632 (Parse.and_list1 parse_thing
633 :|-- (fn things => Scan.repeat1 (Parse.$$$ "(" |-- Parse.name --
634 (zip_list things parse_syntax (Parse.$$$ "and")) --| Parse.$$$ ")")))
635 >> (Toplevel.theory oo fold)
636 (fn (target, syns) => fold (fn (raw_x, syn) => change target raw_x syn) syns);
640 val add_class_syntax = gen_add_class_syntax cert_class;
641 val add_instance_syntax = gen_add_instance_syntax cert_inst;
642 val add_tyco_syntax = gen_add_tyco_syntax cert_tyco;
643 val add_const_syntax = gen_add_const_syntax (K I);
644 val allow_abort = gen_allow_abort (K I);
645 val add_reserved = add_reserved;
646 val add_include = add_include;
648 val add_class_syntax_cmd = gen_add_class_syntax read_class;
649 val add_instance_syntax_cmd = gen_add_instance_syntax read_inst;
650 val add_tyco_syntax_cmd = gen_add_tyco_syntax read_tyco;
651 val add_const_syntax_cmd = gen_add_const_syntax Code.read_const;
652 val allow_abort_cmd = gen_allow_abort Code.read_const;
654 fun parse_args f args =
655 case Scan.read Token.stopper f args
657 | NONE => error "Bad serializer arguments";
662 val (inK, module_nameK, fileK, checkingK) = ("in", "module_name", "file", "checking");
664 val code_expr_argsP = Scan.optional (Parse.$$$ "(" |-- Args.parse --| Parse.$$$ ")") [];
667 Scan.repeat1 Parse.term_group :|-- (fn raw_cs =>
668 ((Parse.$$$ checkingK |-- Scan.repeat (Parse.name
669 -- ((Parse.$$$ "?" |-- Scan.succeed false) || Scan.succeed true) -- code_expr_argsP))
670 >> (fn seris => check_code_cmd raw_cs seris)
671 || Scan.repeat (Parse.$$$ inK |-- Parse.name
672 -- Scan.optional (Parse.$$$ module_nameK |-- Parse.name) ""
673 -- Scan.optional (Parse.$$$ fileK |-- Parse.name) ""
674 -- code_expr_argsP) >> (fn seris => export_code_cmd raw_cs seris)));
676 val _ = List.app Keyword.keyword [inK, module_nameK, fileK, checkingK];
679 Outer_Syntax.command "code_class" "define code syntax for class" Keyword.thy_decl (
680 process_multi_syntax Parse.xname (Scan.option Parse.string)
681 add_class_syntax_cmd);
684 Outer_Syntax.command "code_instance" "define code syntax for instance" Keyword.thy_decl (
685 process_multi_syntax (Parse.xname --| Parse.$$$ "::" -- Parse.xname)
686 (Scan.option (Parse.minus >> K ()))
687 add_instance_syntax_cmd);
690 Outer_Syntax.command "code_type" "define code syntax for type constructor" Keyword.thy_decl (
691 process_multi_syntax Parse.xname Code_Printer.parse_tyco_syntax
692 add_tyco_syntax_cmd);
695 Outer_Syntax.command "code_const" "define code syntax for constant" Keyword.thy_decl (
696 process_multi_syntax Parse.term_group Code_Printer.parse_const_syntax
697 add_const_syntax_cmd);
700 Outer_Syntax.command "code_reserved" "declare words as reserved for target language"
702 Parse.name -- Scan.repeat1 Parse.name
703 >> (fn (target, reserveds) => (Toplevel.theory o fold (add_reserved target)) reserveds)
707 Outer_Syntax.command "code_include" "declare piece of code to be included in generated code"
709 Parse.name -- Parse.name -- (Parse.text :|-- (fn "-" => Scan.succeed NONE
710 | s => Scan.optional (Parse.$$$ "attach" |-- Scan.repeat1 Parse.term) [] >> pair s >> SOME))
711 >> (fn ((target, name), content_consts) =>
712 (Toplevel.theory o add_include_cmd target) (name, content_consts))
716 Outer_Syntax.command "code_modulename" "alias module to other name" Keyword.thy_decl (
717 Parse.name -- Scan.repeat1 (Parse.name -- Parse.name)
718 >> (fn (target, modlnames) => (Toplevel.theory o fold (add_module_alias target)) modlnames)
722 Outer_Syntax.command "code_abort" "permit constant to be implemented as program abort"
724 Scan.repeat1 Parse.term_group >> (Toplevel.theory o fold allow_abort_cmd)
728 Outer_Syntax.command "export_code" "generate executable code for constants"
729 Keyword.diag (Parse.!!! code_exprP >> (fn f => Toplevel.keep (f o Toplevel.theory_of)));
734 (** external entrance point -- for codegen tool **)
736 fun codegen_tool thyname cmd_expr =
738 val thy = Thy_Info.get_theory thyname;
739 val parse = Scan.read Token.stopper (Parse.!!! code_exprP) o
740 (filter Token.is_proper o Outer_Syntax.scan Position.none);
741 in case parse cmd_expr
742 of SOME f => (writeln "Now generating code..."; f thy)
743 | NONE => error ("Bad directive " ^ quote cmd_expr)