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.program -> Code_Symbol.symbol list -> unit
15 val produce_code_for: theory -> string -> int option -> string -> Token.T list
16 -> Code_Thingol.program -> Code_Symbol.symbol list -> (string * string) list * string option list
17 val present_code_for: theory -> string -> int option -> string -> Token.T list
18 -> Code_Thingol.program -> Code_Symbol.symbol list * Code_Symbol.symbol list -> string
19 val check_code_for: theory -> string -> bool -> Token.T list
20 -> Code_Thingol.program -> Code_Symbol.symbol 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) list * string option list
26 val present_code: theory -> string list -> Code_Symbol.symbol 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 generatedN: string
32 val evaluator: theory -> string -> Code_Thingol.program
33 -> Code_Symbol.symbol list -> ((string * class list) list * Code_Thingol.itype) * Code_Thingol.iterm
34 -> (string * string) list * string
37 type literals = Code_Printer.literals
38 val add_target: string * { serializer: serializer, literals: literals,
39 check: { env_var: string, make_destination: Path.T -> Path.T, make_command: string -> string } }
41 val extend_target: string *
42 (string * (Code_Thingol.program -> Code_Thingol.program))
44 val assert_target: theory -> string -> string
45 val the_literals: theory -> string -> literals
47 val parse_args: 'a parser -> Token.T list -> 'a
48 val serialization: (int -> Path.T option -> 'a -> unit)
49 -> (Code_Symbol.symbol list -> int -> 'a -> (string * string) list * (Code_Symbol.symbol -> string option))
50 -> 'a -> serialization
51 val set_default_code_width: int -> theory -> theory
53 type ('a, 'b, 'c, 'd, 'e, 'f) symbol_attr_decl
55 val set_identifiers: (string, string, string, string, string, string) symbol_attr_decl
57 type const_syntax = Code_Printer.const_syntax
58 type tyco_syntax = Code_Printer.tyco_syntax
59 val set_printings: (const_syntax, tyco_syntax, string, unit, unit, (string * string list)) symbol_attr_decl
61 val add_const_syntax: string -> string -> const_syntax option -> theory -> theory
62 val add_tyco_syntax: string -> string -> tyco_syntax option -> theory -> theory
63 val add_class_syntax: string -> class -> string option -> theory -> theory
64 val add_instance_syntax: string -> class * string -> unit option -> theory -> theory
65 val add_reserved: string -> string -> theory -> theory
66 val add_include: string -> string * (string * string list) option -> theory -> theory
68 val codegen_tool: string (*theory name*) -> string (*export_code expr*) -> unit
70 val setup: theory -> theory
73 structure Code_Target : CODE_TARGET =
76 open Basic_Code_Thingol;
78 type literals = Code_Printer.literals;
79 type ('a, 'b, 'c, 'd, 'e, 'f) symbol_attr_decl =
80 (string * (string * 'a option) list, string * (string * 'b option) list,
81 class * (string * 'c option) list, (class * class) * (string * 'd option) list,
82 (class * string) * (string * 'e option) list,
83 string * (string * 'f option) list) Code_Symbol.attr;
84 type identifier_data = (string, string, string, string, string, string) Code_Symbol.data;
86 type tyco_syntax = Code_Printer.tyco_syntax;
87 type const_syntax = Code_Printer.const_syntax;
90 (** checking and parsing of symbols **)
92 fun cert_const thy const =
94 val _ = if Sign.declared_const thy const then ()
95 else error ("No such constant: " ^ quote const);
98 fun cert_tyco thy tyco =
100 val _ = if Sign.declared_tyname thy tyco then ()
101 else error ("No such type constructor: " ^ quote tyco);
104 fun read_tyco thy = #1 o dest_Type
105 o Proof_Context.read_type_name_proper (Proof_Context.init_global thy) true;
107 fun cert_class thy class =
109 val _ = Axclass.get_info thy class;
112 fun read_class thy = Proof_Context.read_class (Proof_Context.init_global thy);
114 val parse_classrel_ident = Parse.class --| @{keyword "<"} -- Parse.class;
116 fun cert_inst thy (class, tyco) =
117 (cert_class thy class, cert_tyco thy tyco);
119 fun read_inst thy (raw_tyco, raw_class) =
120 (read_tyco thy raw_tyco, read_class thy raw_class);
122 val parse_inst_ident = Parse.xname --| @{keyword "::"} -- Parse.class;
125 Code_Symbol.map_attr (apfst (cert_const thy)) (apfst (cert_tyco thy))
126 (apfst (cert_class thy)) ((apfst o pairself) (cert_class thy)) (apfst (cert_inst thy)) I;
129 Code_Symbol.map_attr (apfst (Code.read_const thy)) (apfst (read_tyco thy))
130 (apfst (read_class thy)) ((apfst o pairself) (read_class thy)) (apfst (read_inst thy)) I;
132 fun check_name is_module s =
134 val _ = if s = "" then error "Bad empty code name" else ();
135 val xs = Long_Name.explode s;
136 val xs' = if is_module
137 then map (Name.desymbolize true) xs
138 else if length xs < 2
139 then error ("Bad code name without module component: " ^ quote s)
142 val (ys, y) = split_last xs;
143 val ys' = map (Name.desymbolize true) ys;
144 val y' = Name.desymbolize false y;
148 else error ("Invalid code name: " ^ quote s ^ "\n"
149 ^ "better try " ^ quote (Long_Name.implode xs'))
153 (** serializations and serializer **)
155 (* serialization: abstract nonsense to cover different destinies for generated code *)
157 datatype destination = Export of Path.T option | Produce | Present of Code_Symbol.symbol list;
158 type serialization = int -> destination -> ((string * string) list * (Code_Symbol.symbol -> string option)) option;
160 fun serialization output _ content width (Export some_path) =
161 (output width some_path content; NONE)
162 | serialization _ string content width Produce =
163 string [] width content |> SOME
164 | serialization _ string content width (Present syms) =
165 string syms width content
166 |> (apfst o map o apsnd) (Pretty.output (SOME width) o Pretty.str)
169 fun export some_path f = (f (Export some_path); ());
170 fun produce f = the (f Produce);
171 fun present syms f = space_implode "\n\n" (map snd (fst (the (f (Present syms)))));
174 (* serializers: functions producing serializations *)
176 type serializer = Token.T list
180 reserved_syms: string list,
181 identifiers: identifier_data,
182 includes: (string * Pretty.T) list,
183 class_syntax: string -> string option,
184 tyco_syntax: string -> Code_Printer.tyco_syntax option,
185 const_syntax: string -> Code_Printer.activated_const_syntax option }
186 -> Code_Thingol.program
189 datatype description =
190 Fundamental of { serializer: serializer,
192 check: { env_var: string, make_destination: Path.T -> Path.T,
193 make_command: string -> string } }
194 | Extension of string *
195 (Code_Thingol.program -> Code_Thingol.program);
200 datatype target = Target of {
202 description: description,
203 reserved: string list,
204 identifiers: identifier_data,
205 printings: (Code_Printer.const_syntax, Code_Printer.tyco_syntax, string, unit, unit,
206 (Pretty.T * string list)) Code_Symbol.data
209 fun make_target ((serial, description), (reserved, (identifiers, printings))) =
210 Target { serial = serial, description = description, reserved = reserved,
211 identifiers = identifiers, printings = printings };
212 fun map_target f (Target { serial, description, reserved, identifiers, printings }) =
213 make_target (f ((serial, description), (reserved, (identifiers, printings))));
214 fun merge_target strict target (Target { serial = serial1, description = description,
215 reserved = reserved1, identifiers = identifiers1, printings = printings1 },
216 Target { serial = serial2, description = _,
217 reserved = reserved2, identifiers = identifiers2, printings = printings2 }) =
218 if serial1 = serial2 orelse not strict then
219 make_target ((serial1, description), (merge (op =) (reserved1, reserved2),
220 (Code_Symbol.merge_data (identifiers1, identifiers2),
221 Code_Symbol.merge_data (printings1, printings2))))
223 error ("Incompatible targets: " ^ quote target);
225 fun the_description (Target { description, ... }) = description;
226 fun the_reserved (Target { reserved, ... }) = reserved;
227 fun the_identifiers (Target { identifiers , ... }) = identifiers;
228 fun the_printings (Target { printings, ... }) = printings;
230 structure Targets = Theory_Data
232 type T = target Symtab.table * int;
233 val empty = (Symtab.empty, 80);
235 fun merge ((target1, width1), (target2, width2)) : T =
236 (Symtab.join (merge_target true) (target1, target2), Int.max (width1, width2));
239 fun assert_target thy target = if Symtab.defined (fst (Targets.get thy)) target
241 else error ("Unknown code target language: " ^ quote target);
243 fun put_target (target, seri) thy =
245 val lookup_target = Symtab.lookup (fst (Targets.get thy));
247 of Extension (super, _) => if is_some (lookup_target super) then ()
248 else error ("Unknown code target language: " ^ quote super)
250 val overwriting = case (Option.map the_description o lookup_target) target
252 | SOME (Extension _) => true
253 | SOME (Fundamental _) => (case seri
254 of Extension _ => error ("Will not overwrite existing target " ^ quote target)
256 val _ = if overwriting
257 then warning ("Overwriting existing target " ^ quote target)
261 |> (Targets.map o apfst o Symtab.update)
262 (target, make_target ((serial (), seri),
263 ([], (Code_Symbol.empty_data, Code_Symbol.empty_data))))
266 fun add_target (target, seri) = put_target (target, Fundamental seri);
267 fun extend_target (target, (super, modify)) =
268 put_target (target, Extension (super, modify));
270 fun map_target_data target f thy =
272 val _ = assert_target thy target;
275 |> (Targets.map o apfst o Symtab.map_entry target o map_target o apsnd) f
278 fun map_reserved target =
279 map_target_data target o apfst;
280 fun map_identifiers target =
281 map_target_data target o apsnd o apfst;
282 fun map_printings target =
283 map_target_data target o apsnd o apsnd;
285 fun set_default_code_width k = (Targets.map o apsnd) (K k);
288 (** serializer usage **)
292 fun the_fundamental thy =
294 val (targets, _) = Targets.get thy;
295 fun fundamental target = case Symtab.lookup targets target
296 of SOME data => (case the_description data
297 of Fundamental data => data
298 | Extension (super, _) => fundamental super)
299 | NONE => error ("Unknown code target language: " ^ quote target);
302 fun the_literals thy = #literals o the_fundamental thy;
304 fun collapse_hierarchy thy =
306 val (targets, _) = Targets.get thy;
307 fun collapse target =
309 val data = case Symtab.lookup targets target
311 | NONE => error ("Unknown code target language: " ^ quote target);
312 in case the_description data
313 of Fundamental _ => (I, data)
314 | Extension (super, modify) => let
315 val (modify', data') = collapse super
316 in (modify' #> modify, merge_target false target (data', data)) end
322 fun activate_target thy target =
324 val (_, default_width) = Targets.get thy;
325 val (modify, data) = collapse_hierarchy thy target;
326 in (default_width, data, modify) end;
328 fun activate_symbol_syntax thy literals printings =
329 (Code_Symbol.symbols_of printings,
330 (Symtab.lookup (Code_Symbol.mapped_const_data (Code_Printer.activate_const_syntax thy literals) printings),
331 Code_Symbol.lookup_type_constructor_data printings, Code_Symbol.lookup_type_class_data printings))
333 fun project_program thy syms_hidden syms1 program2 =
335 val ctxt = Proof_Context.init_global thy;
336 val syms2 = subtract (op =) syms_hidden syms1;
337 val program3 = Code_Symbol.Graph.restrict (not o member (op =) syms_hidden) program2;
338 val syms4 = Code_Symbol.Graph.all_succs program3 syms2;
339 val unimplemented = Code_Thingol.unimplemented program3;
341 if null unimplemented then ()
342 else error ("No code equations for " ^
343 commas (map (Proof_Context.extern_const ctxt) unimplemented));
344 val program4 = Code_Symbol.Graph.restrict (member (op =) syms4) program3;
345 in (syms4, program4) end;
347 fun prepare_serializer thy (serializer : serializer) literals reserved identifiers
348 printings module_name args proto_program syms =
350 val (syms_hidden, (const_syntax, tyco_syntax, class_syntax)) =
351 activate_symbol_syntax thy literals printings;
352 val (syms_all, program) = project_program thy syms_hidden syms proto_program;
353 fun select_include (name, (content, cs)) =
354 if null cs orelse exists (fn c => member (op =) syms_all (Code_Symbol.Constant c)) cs
355 then SOME (name, content) else NONE;
356 val includes = map_filter select_include (Code_Symbol.dest_module_data printings);
358 (serializer args (Proof_Context.init_global thy) {
359 module_name = module_name,
360 reserved_syms = reserved,
361 identifiers = identifiers,
363 const_syntax = const_syntax,
364 tyco_syntax = tyco_syntax,
365 class_syntax = class_syntax },
369 fun mount_serializer thy target some_width module_name args program syms =
371 val (default_width, data, modify) = activate_target thy target;
372 val serializer = case the_description data
373 of Fundamental seri => #serializer seri;
374 val (prepared_serializer, prepared_program) =
375 prepare_serializer thy serializer (the_literals thy target)
376 (the_reserved data) (the_identifiers data) (the_printings data)
377 module_name args (modify program) syms
378 val width = the_default default_width some_width;
379 in (fn program => prepared_serializer program width, prepared_program) end;
381 fun invoke_serializer thy target some_width module_name args program syms =
383 val check = if module_name = "" then I else check_name true;
384 val (mounted_serializer, prepared_program) = mount_serializer thy
385 target some_width (check module_name) args program syms;
386 in mounted_serializer prepared_program end;
388 fun assert_module_name "" = error "Empty module name not allowed here"
389 | assert_module_name module_name = module_name;
391 fun using_master_directory thy =
392 Option.map (Path.append (File.pwd ()) o Path.append (Thy_Load.master_directory thy));
396 val generatedN = "Generated_Code";
398 fun export_code_for thy some_path target some_width module_name args =
399 export (using_master_directory thy some_path)
400 oo invoke_serializer thy target some_width module_name args;
402 fun produce_code_for thy target some_width module_name args =
404 val serializer = invoke_serializer thy target some_width (assert_module_name module_name) args;
405 in fn program => fn syms =>
406 produce (serializer program syms) |> apsnd (fn deresolve => map deresolve syms)
409 fun present_code_for thy target some_width module_name args =
411 val serializer = invoke_serializer thy target some_width (assert_module_name module_name) args;
412 in fn program => fn (syms, selects) =>
413 present selects (serializer program syms)
416 fun check_code_for thy target strict args program syms =
418 val { env_var, make_destination, make_command } =
419 (#check o the_fundamental thy) target;
422 val destination = make_destination p;
423 val _ = export (SOME destination) (invoke_serializer thy target (SOME 80)
424 generatedN args program syms);
425 val cmd = make_command generatedN;
427 if Isabelle_System.bash ("cd " ^ File.shell_path p ^ " && " ^ cmd ^ " 2>&1") <> 0
428 then error ("Code check failed for " ^ target ^ ": " ^ cmd)
432 if getenv env_var = ""
434 then error (env_var ^ " not set; cannot check code for " ^ target)
435 else warning (env_var ^ " not set; skipped checking code for " ^ target)
436 else Isabelle_System.with_tmp_dir "Code_Test" ext_check
439 fun evaluation mounted_serializer prepared_program syms ((vs, ty), t) =
441 val _ = if Code_Thingol.contains_dict_var t then
442 error "Term to be evaluated contains free dictionaries" else ();
443 val v' = singleton (Name.variant_list (map fst vs)) "a";
444 val vs' = (v', []) :: vs;
445 val ty' = ITyVar v' `-> ty;
446 val program = prepared_program
447 |> Code_Symbol.Graph.new_node (Code_Symbol.value,
448 Code_Thingol.Fun (((vs', ty'), [(([IVar NONE], t), (NONE, true))]), NONE))
449 |> fold (curry (perhaps o try o
450 Code_Symbol.Graph.add_edge) Code_Symbol.value) syms;
451 val (program_code, deresolve) = produce (mounted_serializer program);
452 val value_name = the (deresolve Code_Symbol.value);
453 in (program_code, value_name) end;
455 fun evaluator thy target program syms =
457 val (mounted_serializer, prepared_program) =
458 mount_serializer thy target NONE generatedN [] program syms;
459 in evaluation mounted_serializer prepared_program syms end;
464 (* code generation *)
466 fun read_const_exprs thy const_exprs =
468 val (cs1, cs2) = Code_Thingol.read_const_exprs thy const_exprs;
469 val program = Code_Thingol.consts_program thy true cs2;
470 val cs3 = Code_Thingol.implemented_deps program;
471 in union (op =) cs3 cs1 end;
473 fun prep_destination "" = NONE
474 | prep_destination s = SOME (Path.explode s);
476 fun export_code thy cs seris =
478 val program = Code_Thingol.consts_program thy false cs;
479 val _ = map (fn (((target, module_name), some_path), args) =>
480 export_code_for thy some_path target NONE module_name args program (map Code_Symbol.Constant cs)) seris;
483 fun export_code_cmd raw_cs seris thy = export_code thy (read_const_exprs thy raw_cs)
484 ((map o apfst o apsnd) prep_destination seris);
486 fun produce_code thy cs target some_width some_module_name args =
488 val program = Code_Thingol.consts_program thy false cs;
489 in produce_code_for thy target some_width some_module_name args program (map Code_Symbol.Constant cs) end;
491 fun present_code thy cs syms target some_width some_module_name args =
493 val program = Code_Thingol.consts_program thy false cs;
494 in present_code_for thy target some_width some_module_name args program (map Code_Symbol.Constant cs, syms) end;
496 fun check_code thy cs seris =
498 val program = Code_Thingol.consts_program thy false cs;
499 val _ = map (fn ((target, strict), args) =>
500 check_code_for thy target strict args program (map Code_Symbol.Constant cs)) seris;
503 fun check_code_cmd raw_cs seris thy = check_code thy (read_const_exprs thy raw_cs) seris;
507 val parse_const_terms = Scan.repeat1 Args.term
508 >> (fn ts => fn thy => map (Code.check_const thy) ts);
510 fun parse_names category parse internalize mark_symbol =
511 Scan.lift (Args.parens (Args.$$$ category)) |-- Scan.repeat1 parse
512 >> (fn xs => fn thy => map (mark_symbol o internalize thy) xs);
514 val parse_consts = parse_names "consts" Args.term
515 Code.check_const Code_Symbol.Constant;
517 val parse_types = parse_names "types" (Scan.lift Args.name)
518 Sign.intern_type Code_Symbol.Type_Constructor;
520 val parse_classes = parse_names "classes" (Scan.lift Args.name)
521 Sign.intern_class Code_Symbol.Type_Class;
523 val parse_instances = parse_names "instances" (Scan.lift (Args.name --| Args.$$$ "::" -- Args.name))
524 (fn thy => fn (raw_tyco, raw_class) => (Sign.intern_class thy raw_tyco, Sign.intern_type thy raw_class))
525 Code_Symbol.Class_Instance;
530 Thy_Output.antiquotation @{binding code_stmts}
531 (parse_const_terms --
532 Scan.repeat (parse_consts || parse_types || parse_classes || parse_instances)
533 -- Scan.lift (Args.parens (Args.name -- Scan.option Parse.int)))
534 (fn {context = ctxt, ...} => fn ((mk_cs, mk_stmtss), (target, some_width)) =>
535 let val thy = Proof_Context.theory_of ctxt in
536 present_code thy (mk_cs thy)
537 (maps (fn f => f thy) mk_stmtss)
538 target some_width "Example" []
544 (** serializer configuration **)
546 (* reserved symbol names *)
548 fun add_reserved target sym thy =
550 val (_, data) = collapse_hierarchy thy target;
551 val _ = if member (op =) (the_reserved data) sym
552 then error ("Reserved symbol " ^ quote sym ^ " already declared")
556 |> map_reserved target (insert (op =) sym)
560 (* checking of syntax *)
562 fun check_const_syntax thy c syn =
563 if Code_Printer.requires_args syn > Code.args_number thy c
564 then error ("Too many arguments in syntax for constant " ^ quote c)
567 fun check_tyco_syntax thy tyco syn =
568 if fst syn <> Sign.arity_number thy tyco
569 then error ("Number of arguments mismatch in syntax for type constructor " ^ quote tyco)
573 (* custom symbol names *)
575 fun arrange_name_decls x =
577 fun arrange is_module (sym, target_names) = map (fn (target, some_name) =>
578 (target, (sym, Option.map (check_name is_module) some_name))) target_names;
580 Code_Symbol.maps_attr' (arrange false) (arrange false) (arrange false)
581 (arrange false) (arrange false) (arrange true) x
584 fun cert_name_decls thy = cert_syms thy #> arrange_name_decls;
586 fun read_name_decls thy = read_syms thy #> arrange_name_decls;
588 fun set_identifier (target, sym_name) = map_identifiers target (Code_Symbol.set_data sym_name);
590 fun gen_set_identifiers prep_name_decl raw_name_decls thy =
591 fold set_identifier (prep_name_decl thy raw_name_decls) thy;
593 val set_identifiers = gen_set_identifiers cert_name_decls;
594 val set_identifiers_cmd = gen_set_identifiers read_name_decls;
596 fun add_module_alias_cmd target aliasses thy =
598 val _ = legacy_feature "prefer \"code_identifier\" over \"code_modulename\"";
600 fold (fn (sym, name) => set_identifier
601 (target, Code_Symbol.Module (sym, if name = "" then NONE else SOME (check_name true name))))
606 (* custom printings *)
608 fun arrange_printings prep_const thy =
610 fun arrange check (sym, target_syns) =
611 map (fn (target, some_syn) => (target, (sym, Option.map (check thy sym) some_syn))) target_syns;
613 Code_Symbol.maps_attr'
614 (arrange check_const_syntax) (arrange check_tyco_syntax)
615 (arrange ((K o K) I)) (arrange ((K o K) I)) (arrange ((K o K) I))
616 (arrange (fn thy => fn _ => fn (raw_content, raw_cs) =>
617 (Code_Printer.str raw_content, map (prep_const thy) raw_cs)))
620 fun cert_printings thy = cert_syms thy #> arrange_printings cert_const thy;
622 fun read_printings thy = read_syms thy #> arrange_printings Code.read_const thy;
624 fun set_printing (target, sym_syn) = map_printings target (Code_Symbol.set_data sym_syn);
626 fun gen_set_printings prep_print_decl raw_print_decls thy =
627 fold set_printing (prep_print_decl thy raw_print_decls) thy;
629 val set_printings = gen_set_printings cert_printings;
630 val set_printings_cmd = gen_set_printings read_printings;
632 fun gen_add_syntax Symbol prep_x prep_syn target raw_x some_raw_syn thy =
634 val _ = legacy_feature "prefer \"code_printing\" for custom serialisations"
635 val x = prep_x thy raw_x;
636 in set_printing (target, Symbol (x, Option.map (prep_syn thy x) some_raw_syn)) thy end;
638 fun gen_add_const_syntax prep_const =
639 gen_add_syntax Code_Symbol.Constant prep_const check_const_syntax;
641 fun gen_add_tyco_syntax prep_tyco =
642 gen_add_syntax Code_Symbol.Type_Constructor prep_tyco check_tyco_syntax;
644 fun gen_add_class_syntax prep_class =
645 gen_add_syntax Code_Symbol.Type_Class prep_class ((K o K) I);
647 fun gen_add_instance_syntax prep_inst =
648 gen_add_syntax Code_Symbol.Class_Instance prep_inst ((K o K) I);
650 fun gen_add_include prep_const target (name, some_content) thy =
651 gen_add_syntax Code_Symbol.Module (K I)
652 (fn thy => fn _ => fn (raw_content, raw_cs) => (Code_Printer.str raw_content, map (prep_const thy) raw_cs))
653 target name some_content thy;
656 (* concrete syntax *)
660 fun zip_list (x :: xs) f g =
663 fold_map (fn x => g |-- f >> pair x) xs
664 :|-- (fn xys => pair ((x, y) :: xys)));
666 fun process_multi_syntax parse_thing parse_syntax change =
667 (Parse.and_list1 parse_thing
668 :|-- (fn things => Scan.repeat1 (@{keyword "("} |-- Parse.name --
669 (zip_list things (Scan.option parse_syntax) @{keyword "and"}) --| @{keyword ")"})))
670 >> (Toplevel.theory oo fold)
671 (fn (target, syns) => fold (fn (raw_x, syn) => change target raw_x syn) syns);
675 val add_reserved = add_reserved;
676 val add_const_syntax = gen_add_const_syntax (K I);
677 val add_tyco_syntax = gen_add_tyco_syntax cert_tyco;
678 val add_class_syntax = gen_add_class_syntax cert_class;
679 val add_instance_syntax = gen_add_instance_syntax cert_inst;
680 val add_include = gen_add_include (K I);
682 val add_const_syntax_cmd = gen_add_const_syntax Code.read_const;
683 val add_tyco_syntax_cmd = gen_add_tyco_syntax read_tyco;
684 val add_class_syntax_cmd = gen_add_class_syntax read_class;
685 val add_instance_syntax_cmd = gen_add_instance_syntax read_inst;
686 val add_include_cmd = gen_add_include Code.read_const;
688 fun parse_args f args =
689 case Scan.read Token.stopper f args
691 | NONE => error "Bad serializer arguments";
696 fun parse_single_symbol_pragma parse_keyword parse_isa parse_target =
697 parse_keyword |-- Parse.!!! (parse_isa --| (@{keyword "\<rightharpoonup>"} || @{keyword "=>"})
698 -- Parse.and_list1 (@{keyword "("} |-- (Parse.name --| @{keyword ")"} -- Scan.option parse_target)));
700 fun parse_symbol_pragma parse_const parse_tyco parse_class parse_classrel parse_inst parse_module =
701 parse_single_symbol_pragma @{keyword "constant"} Parse.term parse_const
702 >> Code_Symbol.Constant
703 || parse_single_symbol_pragma @{keyword "type_constructor"} Parse.type_const parse_tyco
704 >> Code_Symbol.Type_Constructor
705 || parse_single_symbol_pragma @{keyword "type_class"} Parse.class parse_class
706 >> Code_Symbol.Type_Class
707 || parse_single_symbol_pragma @{keyword "class_relation"} parse_classrel_ident parse_classrel
708 >> Code_Symbol.Class_Relation
709 || parse_single_symbol_pragma @{keyword "class_instance"} parse_inst_ident parse_inst
710 >> Code_Symbol.Class_Instance
711 || parse_single_symbol_pragma @{keyword "code_module"} Parse.name parse_module
712 >> Code_Symbol.Module;
714 fun parse_symbol_pragmas parse_const parse_tyco parse_class parse_classrel parse_inst parse_module =
715 Parse.enum1 "|" (Parse.group (fn () => "code symbol pragma")
716 (parse_symbol_pragma parse_const parse_tyco parse_class parse_classrel parse_inst parse_module));
718 val code_expr_argsP = Scan.optional (@{keyword "("} |-- Args.parse --| @{keyword ")"}) [];
720 fun code_expr_inP raw_cs =
721 Scan.repeat (@{keyword "in"} |-- Parse.!!! (Parse.name
722 -- Scan.optional (@{keyword "module_name"} |-- Parse.name) ""
723 -- Scan.optional (@{keyword "file"} |-- Parse.name) ""
725 >> (fn seri_args => export_code_cmd raw_cs seri_args);
727 fun code_expr_checkingP raw_cs =
728 (@{keyword "checking"} |-- Parse.!!!
729 (Scan.repeat (Parse.name -- ((@{keyword "?"} |-- Scan.succeed false) || Scan.succeed true)
730 -- code_expr_argsP)))
731 >> (fn seri_args => check_code_cmd raw_cs seri_args);
733 val code_exprP = Scan.repeat1 Parse.term
734 :|-- (fn raw_cs => (code_expr_checkingP raw_cs || code_expr_inP raw_cs));
737 Outer_Syntax.command @{command_spec "code_reserved"}
738 "declare words as reserved for target language"
739 (Parse.name -- Scan.repeat1 Parse.name
740 >> (fn (target, reserveds) => (Toplevel.theory o fold (add_reserved target)) reserveds));
743 Outer_Syntax.command @{command_spec "code_identifier"} "declare mandatory names for code symbols"
744 (parse_symbol_pragmas Parse.name Parse.name Parse.name Parse.name Parse.name Parse.name
745 >> (Toplevel.theory o fold set_identifiers_cmd));
748 Outer_Syntax.command @{command_spec "code_modulename"} "alias module to other name"
749 (Parse.name -- Scan.repeat1 (Parse.name -- Parse.name)
750 >> (fn (target, modlnames) => (Toplevel.theory o add_module_alias_cmd target) modlnames));
753 Outer_Syntax.command @{command_spec "code_printing"} "declare dedicated printing for code symbols"
754 (parse_symbol_pragmas (Code_Printer.parse_const_syntax) (Code_Printer.parse_tyco_syntax)
755 Parse.string (Parse.minus >> K ()) (Parse.minus >> K ())
756 (Parse.text -- Scan.optional (@{keyword "attach"} |-- Scan.repeat1 Parse.term) [])
757 >> (Toplevel.theory o fold set_printings_cmd));
760 Outer_Syntax.command @{command_spec "code_const"} "define code syntax for constant"
761 (process_multi_syntax Parse.term Code_Printer.parse_const_syntax
762 add_const_syntax_cmd);
765 Outer_Syntax.command @{command_spec "code_type"} "define code syntax for type constructor"
766 (process_multi_syntax Parse.type_const Code_Printer.parse_tyco_syntax
767 add_tyco_syntax_cmd);
770 Outer_Syntax.command @{command_spec "code_class"} "define code syntax for class"
771 (process_multi_syntax Parse.class Parse.string
772 add_class_syntax_cmd);
775 Outer_Syntax.command @{command_spec "code_instance"} "define code syntax for instance"
776 (process_multi_syntax parse_inst_ident (Parse.minus >> K ())
777 add_instance_syntax_cmd);
780 Outer_Syntax.command @{command_spec "code_include"}
781 "declare piece of code to be included in generated code"
782 (Parse.name -- Parse.name -- (Parse.text :|--
783 (fn "-" => Scan.succeed NONE
784 | s => Scan.optional (@{keyword "attach"} |-- Scan.repeat1 Parse.term) [] >> pair s >> SOME))
785 >> (fn ((target, name), content_consts) =>
786 (Toplevel.theory o add_include_cmd target) (name, content_consts)));
789 Outer_Syntax.command @{command_spec "export_code"} "generate executable code for constants"
790 (Parse.!!! code_exprP >> (fn f => Toplevel.keep (f o Toplevel.theory_of)));
795 (** external entrance point -- for codegen tool **)
797 fun codegen_tool thyname cmd_expr =
799 val thy = Thy_Info.get_theory thyname;
800 val parse = Scan.read Token.stopper (Parse.!!! code_exprP) o
801 (filter Token.is_proper o Outer_Syntax.scan Position.none);
802 in case parse cmd_expr
803 of SOME f => (writeln "Now generating code..."; f thy)
804 | NONE => error ("Bad directive " ^ quote cmd_expr)
810 val setup = antiq_setup;