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) list * 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) list * 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 generatedN: string
32 val evaluator: theory -> string -> Code_Thingol.naming -> Code_Thingol.program
33 -> string 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.naming -> 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 -> (string list -> int -> 'a -> (string * string) list * (string -> string option))
50 -> 'a -> serialization
51 val set_default_code_width: int -> theory -> theory
53 val allow_abort: string -> theory -> theory
54 type tyco_syntax = Code_Printer.tyco_syntax
55 type const_syntax = Code_Printer.const_syntax
56 val add_class_syntax: string -> class -> string option -> theory -> theory
57 val add_instance_syntax: string -> class * string -> unit option -> theory -> theory
58 val add_tyco_syntax: string -> string -> tyco_syntax option -> theory -> theory
59 val add_const_syntax: string -> string -> const_syntax option -> theory -> theory
60 val add_reserved: string -> string -> theory -> theory
61 val add_include: string -> string * (string * string list) option -> theory -> theory
63 val codegen_tool: string (*theory name*) -> string (*export_code expr*) -> unit
65 val setup: theory -> theory
68 structure Code_Target : CODE_TARGET =
71 open Basic_Code_Thingol;
73 type literals = Code_Printer.literals;
74 type tyco_syntax = Code_Printer.tyco_syntax;
75 type const_syntax = Code_Printer.const_syntax;
78 (** abstract nonsense **)
80 datatype destination = Export of Path.T option | Produce | Present of string list;
81 type serialization = int -> destination -> ((string * string) list * (string -> string option)) option;
83 fun serialization output _ content width (Export some_path) =
84 (output width some_path content; NONE)
85 | serialization _ string content width Produce =
86 string [] width content |> SOME
87 | serialization _ string content width (Present stmt_names) =
88 string stmt_names width content
89 |> (apfst o map o apsnd) (Pretty.output (SOME width) o Pretty.str)
92 fun export some_path f = (f (Export some_path); ());
93 fun produce f = the (f Produce);
94 fun present stmt_names f = space_implode "\n\n" (map snd (fst (the (f (Present stmt_names)))));
99 datatype symbol_syntax_data = Symbol_Syntax_Data of {
100 class: string Symtab.table,
101 instance: unit Symreltab.table,
102 tyco: Code_Printer.tyco_syntax Symtab.table,
103 const: Code_Printer.const_syntax Symtab.table
106 fun make_symbol_syntax_data ((class, instance), (tyco, const)) =
107 Symbol_Syntax_Data { class = class, instance = instance, tyco = tyco, const = const };
108 fun map_symbol_syntax_data f (Symbol_Syntax_Data { class, instance, tyco, const }) =
109 make_symbol_syntax_data (f ((class, instance), (tyco, const)));
110 fun merge_symbol_syntax_data
111 (Symbol_Syntax_Data { class = class1, instance = instance1, tyco = tyco1, const = const1 },
112 Symbol_Syntax_Data { class = class2, instance = instance2, tyco = tyco2, const = const2 }) =
113 make_symbol_syntax_data ( (* FIXME proper merge order!? prefer fst!? *)
114 (Symtab.join (K snd) (class1, class2),
115 Symreltab.join (K snd) (instance1, instance2)),
116 (Symtab.join (K snd) (tyco1, tyco2),
117 Symtab.join (K snd) (const1, const2))
120 type serializer = Token.T list
122 labelled_name: string -> string,
123 reserved_syms: string list,
124 includes: (string * Pretty.T) list,
125 module_alias: string -> string option,
126 class_syntax: string -> string option,
127 tyco_syntax: string -> Code_Printer.tyco_syntax option,
128 const_syntax: string -> Code_Printer.activated_const_syntax option }
129 -> Code_Thingol.program
132 datatype description = Fundamental of { serializer: serializer,
134 check: { env_var: string, make_destination: Path.T -> Path.T,
135 make_command: string -> string } }
136 | Extension of string *
137 (Code_Thingol.naming -> Code_Thingol.program -> Code_Thingol.program);
139 datatype target = Target of {
141 description: description,
142 reserved: string list,
143 includes: (Pretty.T * string list) Symtab.table,
144 module_alias: string Symtab.table,
145 symbol_syntax: symbol_syntax_data
148 fun make_target ((serial, description), ((reserved, includes), (module_alias, symbol_syntax))) =
149 Target { serial = serial, description = description, reserved = reserved,
150 includes = includes, module_alias = module_alias, symbol_syntax = symbol_syntax };
151 fun map_target f ( Target { serial, description, reserved, includes, module_alias, symbol_syntax } ) =
152 make_target (f ((serial, description), ((reserved, includes), (module_alias, symbol_syntax))));
153 fun merge_target strict target (Target { serial = serial1, description = description,
154 reserved = reserved1, includes = includes1,
155 module_alias = module_alias1, symbol_syntax = symbol_syntax1 },
156 Target { serial = serial2, description = _,
157 reserved = reserved2, includes = includes2,
158 module_alias = module_alias2, symbol_syntax = symbol_syntax2 }) =
159 if serial1 = serial2 orelse not strict then
160 make_target ((serial1, description),
161 ((merge (op =) (reserved1, reserved2),
162 (* FIXME proper merge order!? prefer fst!? *)
163 Symtab.join (K snd) (includes1, includes2)),
164 (Symtab.join (K snd) (module_alias1, module_alias2),
165 merge_symbol_syntax_data (symbol_syntax1, symbol_syntax2))
168 error ("Incompatible targets: " ^ quote target);
170 fun the_description (Target { description, ... }) = description;
171 fun the_reserved (Target { reserved, ... }) = reserved;
172 fun the_includes (Target { includes, ... }) = includes;
173 fun the_module_alias (Target { module_alias , ... }) = module_alias;
174 fun the_symbol_syntax (Target { symbol_syntax = Symbol_Syntax_Data x, ... }) = x;
176 structure Targets = Theory_Data
178 type T = (target Symtab.table * string list) * int;
179 val empty = ((Symtab.empty, []), 80);
181 fun merge (((target1, exc1), width1), ((target2, exc2), width2)) : T =
182 ((Symtab.join (merge_target true) (target1, target2),
183 Library.merge (op =) (exc1, exc2)), Int.max (width1, width2));
186 val abort_allowed = snd o fst o Targets.get;
188 fun assert_target thy target = if Symtab.defined ((fst o fst) (Targets.get thy)) target
190 else error ("Unknown code target language: " ^ quote target);
192 fun put_target (target, seri) thy =
194 val lookup_target = Symtab.lookup ((fst o fst) (Targets.get thy));
196 of Extension (super, _) => if is_some (lookup_target super) then ()
197 else error ("Unknown code target language: " ^ quote super)
199 val overwriting = case (Option.map the_description o lookup_target) target
201 | SOME (Extension _) => true
202 | SOME (Fundamental _) => (case seri
203 of Extension _ => error ("Will not overwrite existing target " ^ quote target)
205 val _ = if overwriting
206 then warning ("Overwriting existing target " ^ quote target)
210 |> (Targets.map o apfst o apfst o Symtab.update)
211 (target, make_target ((serial (), seri), (([], Symtab.empty),
212 (Symtab.empty, make_symbol_syntax_data ((Symtab.empty, Symreltab.empty),
213 (Symtab.empty, Symtab.empty))))))
216 fun add_target (target, seri) = put_target (target, Fundamental seri);
217 fun extend_target (target, (super, modify)) =
218 put_target (target, Extension (super, modify));
220 fun map_target_data target f thy =
222 val _ = assert_target thy target;
225 |> (Targets.map o apfst o apfst o Symtab.map_entry target o map_target) f
228 fun map_reserved target =
229 map_target_data target o apsnd o apfst o apfst;
230 fun map_includes target =
231 map_target_data target o apsnd o apfst o apsnd;
232 fun map_module_alias target =
233 map_target_data target o apsnd o apsnd o apfst;
234 fun map_symbol_syntax target =
235 map_target_data target o apsnd o apsnd o apsnd o map_symbol_syntax_data;
237 fun set_default_code_width k = (Targets.map o apsnd) (K k);
240 (** serializer usage **)
244 fun the_fundamental thy =
246 val ((targets, _), _) = Targets.get thy;
247 fun fundamental target = case Symtab.lookup targets target
248 of SOME data => (case the_description data
249 of Fundamental data => data
250 | Extension (super, _) => fundamental super)
251 | NONE => error ("Unknown code target language: " ^ quote target);
254 fun the_literals thy = #literals o the_fundamental thy;
256 fun collapse_hierarchy thy =
258 val ((targets, _), _) = Targets.get thy;
259 fun collapse target =
261 val data = case Symtab.lookup targets target
263 | NONE => error ("Unknown code target language: " ^ quote target);
264 in case the_description data
265 of Fundamental _ => (K I, data)
266 | Extension (super, modify) => let
267 val (modify', data') = collapse super
268 in (fn naming => modify' naming #> modify naming, merge_target false target (data', data)) end
274 fun activate_target thy target =
276 val ((_, abortable), default_width) = Targets.get thy;
277 val (modify, data) = collapse_hierarchy thy target;
278 in (default_width, abortable, data, modify) end;
280 fun activate_syntax lookup_name src_tab = Symtab.empty
281 |> fold_map (fn thing_identifier => fn tab => case lookup_name thing_identifier
282 of SOME name => (SOME name,
283 Symtab.update_new (name, the (Symtab.lookup src_tab thing_identifier)) tab)
284 | NONE => (NONE, tab)) (Symtab.keys src_tab)
287 fun activate_const_syntax thy literals src_tab naming = (Symtab.empty, naming)
288 |> fold_map (fn c => fn (tab, naming) =>
289 case Code_Thingol.lookup_const naming c
291 val (syn, naming') = Code_Printer.activate_const_syntax thy
292 literals c (the (Symtab.lookup src_tab c)) naming
293 in (SOME name, (Symtab.update_new (name, syn) tab, naming')) end
294 | NONE => (NONE, (tab, naming))) (Symtab.keys src_tab)
297 fun activate_symbol_syntax thy literals naming
298 class_syntax instance_syntax tyco_syntax const_syntax =
300 val (names_class, class_syntax') =
301 activate_syntax (Code_Thingol.lookup_class naming) class_syntax;
302 val names_inst = map_filter (Code_Thingol.lookup_instance naming)
303 (Symreltab.keys instance_syntax);
304 val (names_tyco, tyco_syntax') =
305 activate_syntax (Code_Thingol.lookup_tyco naming) tyco_syntax;
306 val (names_const, (const_syntax', _)) =
307 activate_const_syntax thy literals const_syntax naming;
309 (names_class @ names_inst @ names_tyco @ names_const,
310 (class_syntax', tyco_syntax', const_syntax'))
313 fun project_program thy abortable names_hidden names1 program2 =
315 val ctxt = Proof_Context.init_global thy;
316 val names2 = subtract (op =) names_hidden names1;
317 val program3 = Graph.restrict (not o member (op =) names_hidden) program2;
318 val names4 = Graph.all_succs program3 names2;
319 val empty_funs = filter_out (member (op =) abortable)
320 (Code_Thingol.empty_funs program3);
322 if null empty_funs then ()
323 else error ("No code equations for " ^
324 commas (map (Proof_Context.extern_const ctxt) empty_funs));
325 val program4 = Graph.restrict (member (op =) names4) program3;
326 in (names4, program4) end;
328 fun prepare_serializer thy abortable serializer literals reserved all_includes
329 module_alias proto_class_syntax proto_instance_syntax proto_tyco_syntax proto_const_syntax
330 module_name args naming proto_program names =
332 val (names_hidden, (class_syntax, tyco_syntax, const_syntax)) =
333 activate_symbol_syntax thy literals naming
334 proto_class_syntax proto_instance_syntax proto_tyco_syntax proto_const_syntax;
335 val (names_all, program) = project_program thy abortable names_hidden names proto_program;
336 fun select_include (name, (content, cs)) =
337 if null cs orelse exists (fn c => case Code_Thingol.lookup_const naming c
338 of SOME name => member (op =) names_all name
340 then SOME (name, content) else NONE;
341 val includes = map_filter select_include (Symtab.dest all_includes);
344 labelled_name = Code_Thingol.labelled_name thy proto_program,
345 reserved_syms = reserved,
347 module_alias = if module_name = "" then Symtab.lookup module_alias else K (SOME module_name),
348 class_syntax = Symtab.lookup class_syntax,
349 tyco_syntax = Symtab.lookup tyco_syntax,
350 const_syntax = Symtab.lookup const_syntax },
354 fun mount_serializer thy target some_width module_name args naming program names =
356 val (default_width, abortable, data, modify) = activate_target thy target;
357 val serializer = case the_description data
358 of Fundamental seri => #serializer seri;
359 val reserved = the_reserved data;
360 val module_alias = the_module_alias data
361 val { class, instance, tyco, const } = the_symbol_syntax data;
362 val literals = the_literals thy target;
363 val (prepared_serializer, prepared_program) = prepare_serializer thy
364 abortable serializer literals reserved (the_includes data) module_alias
365 class instance tyco const module_name args
366 naming (modify naming program) names
367 val width = the_default default_width some_width;
368 in (fn program => prepared_serializer program width, prepared_program) end;
370 fun invoke_serializer thy target some_width module_name args naming program names =
372 val (mounted_serializer, prepared_program) = mount_serializer thy
373 target some_width module_name args naming program names;
374 in mounted_serializer prepared_program end;
376 fun assert_module_name "" = error ("Empty module name not allowed.")
377 | assert_module_name module_name = module_name;
379 fun using_master_directory thy =
380 Option.map (Path.append (File.pwd ()) o Path.append (Thy_Load.master_directory thy));
384 val generatedN = "Generated_Code";
386 fun export_code_for thy some_path target some_width module_name args =
387 export (using_master_directory thy some_path)
388 ooo invoke_serializer thy target some_width module_name args;
390 fun produce_code_for thy target some_width module_name args =
392 val serializer = invoke_serializer thy target some_width (assert_module_name module_name) args;
393 in fn naming => fn program => fn names =>
394 produce (serializer naming program names) |> apsnd (fn deresolve => map deresolve names)
397 fun present_code_for thy target some_width module_name args =
399 val serializer = invoke_serializer thy target some_width (assert_module_name module_name) args;
400 in fn naming => fn program => fn (names, selects) =>
401 present selects (serializer naming program names)
404 fun check_code_for thy target strict args naming program names_cs =
406 val { env_var, make_destination, make_command } =
407 (#check o the_fundamental thy) target;
410 val destination = make_destination p;
411 val _ = export (SOME destination) (invoke_serializer thy target (SOME 80)
412 generatedN args naming program names_cs);
413 val cmd = make_command generatedN;
415 if Isabelle_System.bash ("cd " ^ File.shell_path p ^ " && " ^ cmd ^ " 2>&1") <> 0
416 then error ("Code check failed for " ^ target ^ ": " ^ cmd)
420 if getenv env_var = ""
422 then error (env_var ^ " not set; cannot check code for " ^ target)
423 else warning (env_var ^ " not set; skipped checking code for " ^ target)
424 else Isabelle_System.with_tmp_dir "Code_Test" ext_check
427 fun evaluation mounted_serializer prepared_program consts ((vs, ty), t) =
429 val _ = if Code_Thingol.contains_dict_var t then
430 error "Term to be evaluated contains free dictionaries" else ();
431 val v' = singleton (Name.variant_list (map fst vs)) "a";
432 val vs' = (v', []) :: vs;
433 val ty' = Code_Thingol.fun_tyco `%% [ITyVar v', ty];
434 val value_name = "Value.value.value"
435 val program = prepared_program
436 |> Graph.new_node (value_name,
437 Code_Thingol.Fun (Term.dummy_patternN, (((vs', ty'), [(([IVar NONE], t), (NONE, true))]), NONE)))
438 |> fold (curry (perhaps o try o Graph.add_edge) value_name) consts;
439 val (program_code, deresolve) = produce (mounted_serializer program);
440 val value_name' = the (deresolve value_name);
441 in (program_code, value_name') end;
443 fun evaluator thy target naming program consts =
445 val (mounted_serializer, prepared_program) = mount_serializer thy
446 target NONE generatedN [] naming program consts;
447 in evaluation mounted_serializer prepared_program consts end;
452 (* code generation *)
454 fun transitivly_non_empty_funs thy naming program =
456 val cs = subtract (op =) (abort_allowed thy) (Code_Thingol.empty_funs program);
457 val names = map_filter (Code_Thingol.lookup_const naming) cs;
458 in subtract (op =) (Graph.all_preds program names) (Graph.keys program) end;
460 fun read_const_exprs thy cs =
462 val (cs1, cs2) = Code_Thingol.read_const_exprs thy cs;
463 val (names2, (naming, program)) = Code_Thingol.consts_program thy true cs2;
464 val names3 = transitivly_non_empty_funs thy naming program;
465 val cs3 = map_filter (fn (c, name) =>
466 if member (op =) names3 name then SOME c else NONE) (cs2 ~~ names2);
467 in union (op =) cs3 cs1 end;
469 fun prep_destination "" = NONE
470 | prep_destination "-" = NONE
471 | prep_destination s = SOME (Path.explode s);
473 fun export_code thy cs seris =
475 val (names_cs, (naming, program)) = Code_Thingol.consts_program thy false cs;
476 val _ = map (fn (((target, module_name), some_path), args) =>
477 export_code_for thy some_path target NONE module_name args naming program names_cs) seris;
480 fun export_code_cmd raw_cs seris thy = export_code thy (read_const_exprs thy raw_cs)
481 ((map o apfst o apsnd) prep_destination seris);
483 fun produce_code thy cs target some_width some_module_name args =
485 val (names_cs, (naming, program)) = Code_Thingol.consts_program thy false cs;
486 in produce_code_for thy target some_width some_module_name args naming program names_cs end;
488 fun present_code thy cs names_stmt target some_width some_module_name args =
490 val (names_cs, (naming, program)) = Code_Thingol.consts_program thy false cs;
491 in present_code_for thy target some_width some_module_name args naming program (names_cs, names_stmt naming) end;
493 fun check_code thy cs seris =
495 val (names_cs, (naming, program)) = Code_Thingol.consts_program thy false cs;
496 val _ = map (fn ((target, strict), args) =>
497 check_code_for thy target strict args naming program names_cs) seris;
500 fun check_code_cmd raw_cs seris thy = check_code thy (read_const_exprs thy raw_cs) seris;
504 val parse_const_terms = Scan.repeat1 Args.term
505 >> (fn ts => fn thy => map (Code.check_const thy) ts);
507 fun parse_names category parse internalize lookup =
508 Scan.lift (Args.parens (Args.$$$ category)) |-- Scan.repeat1 parse
509 >> (fn xs => fn thy => fn naming => map_filter (lookup naming o internalize thy) xs);
511 val parse_consts = parse_names "consts" Args.term
512 Code.check_const Code_Thingol.lookup_const ;
514 val parse_types = parse_names "types" (Scan.lift Args.name)
515 Sign.intern_type Code_Thingol.lookup_tyco;
517 val parse_classes = parse_names "classes" (Scan.lift Args.name)
518 Sign.intern_class Code_Thingol.lookup_class;
520 val parse_instances = parse_names "instances" (Scan.lift (Args.name --| Args.$$$ "::" -- Args.name))
521 (fn thy => fn (raw_tyco, raw_class) => (Sign.intern_class thy raw_class, Sign.intern_type thy raw_tyco))
522 Code_Thingol.lookup_instance;
527 Thy_Output.antiquotation @{binding code_stmts}
528 (parse_const_terms --
529 Scan.repeat (parse_consts || parse_types || parse_classes || parse_instances)
530 -- Scan.lift (Args.parens (Args.name -- Scan.option Parse.int)))
531 (fn {context = ctxt, ...} => fn ((mk_cs, mk_stmtss), (target, some_width)) =>
532 let val thy = Proof_Context.theory_of ctxt in
533 present_code thy (mk_cs thy)
534 (fn naming => maps (fn f => f thy naming) mk_stmtss)
535 target some_width "Example" []
541 (** serializer configuration **)
545 fun cert_class thy class =
547 val _ = Axclass.get_info thy class;
550 fun read_class thy = cert_class thy o Sign.intern_class thy;
552 fun cert_tyco thy tyco =
554 val _ = if Sign.declared_tyname thy tyco then ()
555 else error ("No such type constructor: " ^ quote tyco);
558 fun read_tyco thy = cert_tyco thy o Sign.intern_type thy;
560 fun cert_inst thy (class, tyco) =
561 (cert_class thy class, cert_tyco thy tyco);
563 fun read_inst thy (raw_tyco, raw_class) =
564 (read_class thy raw_class, read_tyco thy raw_tyco);
566 fun gen_add_syntax (mapp, upd, del) prep_x prep_syn target raw_x some_raw_syn thy =
568 val x = prep_x thy raw_x;
569 val change = case some_raw_syn
570 of SOME raw_syn => upd (x, prep_syn thy x raw_syn)
572 in (map_symbol_syntax target o mapp) change thy end;
574 fun gen_add_class_syntax prep_class =
575 gen_add_syntax (apfst o apfst, Symtab.update, Symtab.delete_safe) prep_class ((K o K) I);
577 fun gen_add_instance_syntax prep_inst =
578 gen_add_syntax (apfst o apsnd, Symreltab.update, Symreltab.delete_safe) prep_inst ((K o K) I);
580 fun gen_add_tyco_syntax prep_tyco =
581 gen_add_syntax (apsnd o apfst, Symtab.update, Symtab.delete_safe) prep_tyco
582 (fn thy => fn tyco => fn syn => if fst syn <> Sign.arity_number thy tyco
583 then error ("Number of arguments mismatch in syntax for type constructor " ^ quote tyco)
586 fun gen_add_const_syntax prep_const =
587 gen_add_syntax (apsnd o apsnd, Symtab.update, Symtab.delete_safe) prep_const
588 (fn thy => fn c => fn syn =>
589 if Code_Printer.requires_args syn > Code.args_number thy c
590 then error ("Too many arguments in syntax for constant " ^ quote c)
593 fun add_reserved target sym thy =
595 val (_, data) = collapse_hierarchy thy target;
596 val _ = if member (op =) (the_reserved data) sym
597 then error ("Reserved symbol " ^ quote sym ^ " already declared")
601 |> map_reserved target (insert (op =) sym)
604 fun gen_add_include read_const target args thy =
606 fun add (name, SOME (content, raw_cs)) incls =
608 val _ = if Symtab.defined incls name
609 then warning ("Overwriting existing include " ^ name)
611 val cs = map (read_const thy) raw_cs;
612 in Symtab.update (name, (Code_Printer.str content, cs)) incls end
613 | add (name, NONE) incls = Symtab.delete name incls;
614 in map_includes target (add args) thy end;
616 val add_include = gen_add_include (K I);
617 val add_include_cmd = gen_add_include Code.read_const;
619 fun add_module_alias target (thyname, "") =
620 map_module_alias target (Symtab.delete thyname)
621 | add_module_alias target (thyname, modlname) =
623 val xs = Long_Name.explode modlname;
624 val xs' = map (Name.desymbolize true) xs;
626 then map_module_alias target (Symtab.update (thyname, modlname))
627 else error ("Invalid module name: " ^ quote modlname ^ "\n"
628 ^ "perhaps try " ^ quote (Long_Name.implode xs'))
631 fun gen_allow_abort prep_const raw_c thy =
633 val c = prep_const thy raw_c;
634 in thy |> (Targets.map o apfst o apsnd) (insert (op =) c) end;
637 (* concrete syntax *)
641 fun zip_list (x :: xs) f g =
644 fold_map (fn x => g |-- f >> pair x) xs
645 :|-- (fn xys => pair ((x, y) :: xys)));
647 fun process_multi_syntax parse_thing parse_syntax change =
648 (Parse.and_list1 parse_thing
649 :|-- (fn things => Scan.repeat1 (@{keyword "("} |-- Parse.name --
650 (zip_list things (Scan.option parse_syntax) @{keyword "and"}) --| @{keyword ")"})))
651 >> (Toplevel.theory oo fold)
652 (fn (target, syns) => fold (fn (raw_x, syn) => change target raw_x syn) syns);
656 val add_class_syntax = gen_add_class_syntax cert_class;
657 val add_instance_syntax = gen_add_instance_syntax cert_inst;
658 val add_tyco_syntax = gen_add_tyco_syntax cert_tyco;
659 val add_const_syntax = gen_add_const_syntax (K I);
660 val allow_abort = gen_allow_abort (K I);
661 val add_reserved = add_reserved;
662 val add_include = add_include;
664 val add_class_syntax_cmd = gen_add_class_syntax read_class;
665 val add_instance_syntax_cmd = gen_add_instance_syntax read_inst;
666 val add_tyco_syntax_cmd = gen_add_tyco_syntax read_tyco;
667 val add_const_syntax_cmd = gen_add_const_syntax Code.read_const;
668 val allow_abort_cmd = gen_allow_abort Code.read_const;
670 fun parse_args f args =
671 case Scan.read Token.stopper f args
673 | NONE => error "Bad serializer arguments";
678 val code_expr_argsP = Scan.optional (@{keyword "("} |-- Args.parse --| @{keyword ")"}) [];
681 Scan.repeat1 Parse.term_group :|-- (fn raw_cs =>
682 ((@{keyword "checking"} |-- Scan.repeat (Parse.name
683 -- ((@{keyword "?"} |-- Scan.succeed false) || Scan.succeed true) -- code_expr_argsP))
684 >> (fn seris => check_code_cmd raw_cs seris)
685 || Scan.repeat (@{keyword "in"} |-- Parse.name
686 -- Scan.optional (@{keyword "module_name"} |-- Parse.name) ""
687 -- Scan.optional (@{keyword "file"} |-- Parse.name) ""
688 -- code_expr_argsP) >> (fn seris => export_code_cmd raw_cs seris)));
691 Outer_Syntax.command @{command_spec "code_class"} "define code syntax for class"
692 (process_multi_syntax Parse.xname Parse.string
693 add_class_syntax_cmd);
696 Outer_Syntax.command @{command_spec "code_instance"} "define code syntax for instance"
697 (process_multi_syntax (Parse.xname --| @{keyword "::"} -- Parse.xname) (Parse.minus >> K ())
698 add_instance_syntax_cmd);
701 Outer_Syntax.command @{command_spec "code_type"} "define code syntax for type constructor"
702 (process_multi_syntax Parse.xname Code_Printer.parse_tyco_syntax add_tyco_syntax_cmd);
705 Outer_Syntax.command @{command_spec "code_const"} "define code syntax for constant"
706 (process_multi_syntax Parse.term_group Code_Printer.parse_const_syntax add_const_syntax_cmd);
709 Outer_Syntax.command @{command_spec "code_reserved"}
710 "declare words as reserved for target language"
711 (Parse.name -- Scan.repeat1 Parse.name
712 >> (fn (target, reserveds) => (Toplevel.theory o fold (add_reserved target)) reserveds));
715 Outer_Syntax.command @{command_spec "code_include"}
716 "declare piece of code to be included in generated code"
717 (Parse.name -- Parse.name -- (Parse.text :|--
718 (fn "-" => Scan.succeed NONE
719 | s => Scan.optional (@{keyword "attach"} |-- Scan.repeat1 Parse.term) [] >> pair s >> SOME))
720 >> (fn ((target, name), content_consts) =>
721 (Toplevel.theory o add_include_cmd target) (name, content_consts)));
724 Outer_Syntax.command @{command_spec "code_modulename"} "alias module to other name"
725 (Parse.name -- Scan.repeat1 (Parse.name -- Parse.name)
726 >> (fn (target, modlnames) => (Toplevel.theory o fold (add_module_alias target)) modlnames));
729 Outer_Syntax.command @{command_spec "code_abort"}
730 "permit constant to be implemented as program abort"
731 (Scan.repeat1 Parse.term_group >> (Toplevel.theory o fold allow_abort_cmd));
734 Outer_Syntax.command @{command_spec "export_code"} "generate executable code for constants"
735 (Parse.!!! code_exprP >> (fn f => Toplevel.keep (f o Toplevel.theory_of)));
740 (** external entrance point -- for codegen tool **)
742 fun codegen_tool thyname cmd_expr =
744 val thy = Thy_Info.get_theory thyname;
745 val parse = Scan.read Token.stopper (Parse.!!! code_exprP) o
746 (filter Token.is_proper o Outer_Syntax.scan Position.none);
747 in case parse cmd_expr
748 of SOME f => (writeln "Now generating code..."; f thy)
749 | NONE => error ("Bad directive " ^ quote cmd_expr)
755 val setup = antiq_setup;