2 * Copyright (C) 2009-2010 Red Hat Inc.
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; either version 2 of the License, or
7 * (at your option) any later version.
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write to the Free Software
16 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
19 (* Please read generator/README first. *)
26 open Generator_docstrings
27 open Generator_optgroups
28 open Generator_actions
29 open Generator_structs
30 open Generator_prepopts
33 (* Generate a lot of different functions for guestfish. *)
34 let generate_fish_cmds () =
35 generate_header CStyle GPLv2plus;
39 fun (_, _, _, flags, _, _, _) -> not (List.mem NotInFish flags)
41 let all_functions_sorted =
43 fun (_, _, _, flags, _, _, _) -> not (List.mem NotInFish flags)
44 ) all_functions_sorted in
46 let all_functions_and_fish_commands_sorted =
47 List.sort action_compare (all_functions_sorted @ fish_commands) in
49 pr "#include <config.h>\n";
51 pr "#include <stdio.h>\n";
52 pr "#include <stdlib.h>\n";
53 pr "#include <string.h>\n";
54 pr "#include <inttypes.h>\n";
56 pr "#include <guestfs.h>\n";
57 pr "#include \"c-ctype.h\"\n";
58 pr "#include \"full-write.h\"\n";
59 pr "#include \"xstrtol.h\"\n";
60 pr "#include \"fish.h\"\n";
61 pr "#include \"options.h\"\n";
62 pr "#include \"cmds_gperf.h\"\n";
64 pr "/* Valid suffixes allowed for numbers. See Gnulib xstrtol function. */\n";
65 pr "static const char *xstrtol_suffixes = \"0kKMGTPEZY\";\n";
69 fun (name, _, _, _, _, _, _) ->
70 pr "static int run_%s (const char *cmd, size_t argc, char *argv[]);\n"
76 (* List of command_entry structs. *)
78 fun (name, _, _, flags, _, shortdesc, longdesc) ->
79 pr "struct command_entry %s_cmd_entry = {\n" name;
81 let name2 = replace_char name '_' '-' in
82 pr " .name = \"%s\",\n" name2;
85 filter_map (function FishAlias n -> Some n | _ -> None) flags in
88 sprintf "\n\nYou can use %s as an alias for this command."
89 (String.concat " or " (List.map (fun s -> "'" ^ s ^ "'") aliases))
92 pr " .shortdesc = \"%s\",\n" shortdesc;
93 pr " .podbody = %S,\n"
94 ("=head1 DESCRIPTION\n\n" ^ longdesc ^ describe_alias);
96 pr " .run = run_%s\n" name;
102 fun (name, (_, args, optargs), _, flags, _, shortdesc, longdesc) ->
103 pr "struct command_entry %s_cmd_entry = {\n" name;
105 let name2 = replace_char name '_' '-' in
106 pr " .name = \"%s\",\n" name2;
109 filter_map (function FishAlias n -> Some n | _ -> None) flags in
111 let longdesc = replace_str longdesc "C<guestfs_" "C<" in
116 let args = List.filter (function Key _ -> false | _ -> true) args in
120 (List.map (fun arg -> " " ^ name_of_argt arg) args))
122 (List.map (fun arg -> sprintf " [%s:..]" (name_of_argt arg)) optargs)) in
125 if List.exists (function Key _ -> true | _ -> false) args then
126 "\n\nThis command has one or more key or passphrase parameters.
127 Guestfish will prompt for these separately."
132 if List.mem ProtocolLimitWarning flags then
133 ("\n\n" ^ protocol_limit_warning)
136 (* For DangerWillRobinson commands, we should probably have
137 * guestfish prompt before allowing you to use them (especially
138 * in interactive mode). XXX
142 if List.mem DangerWillRobinson flags then
143 ("\n\n" ^ danger_will_robinson)
148 match deprecation_notice flags with
150 | Some txt -> "\n\n" ^ txt in
153 if aliases <> [] then
154 sprintf "\n\nYou can use %s as an alias for this command."
155 (String.concat " or " (List.map (fun s -> "'" ^ s ^ "'") aliases))
158 pr " .shortdesc = \"%s\",\n" shortdesc;
159 pr " .podbody = %S,\n"
160 ("=head1 SYNOPSIS\n\n " ^ synopsis ^ "\n\n" ^
161 "=head1 DESCRIPTION\n\n" ^
162 longdesc ^ warnings ^ describe_alias);
164 pr " .run = run_%s\n" name;
169 (* list_commands function, which implements guestfish -h *)
170 pr "void list_commands (void)\n";
172 pr " printf (\" %%-16s %%s\\n\", _(\"Command\"), _(\"Description\"));\n";
173 pr " list_builtin_commands ();\n";
175 fun (name, _, _, flags, _, shortdesc, _) ->
176 let name = replace_char name '_' '-' in
177 pr " printf (\"%%-20s %%s\\n\", \"%s\", _(\"%s\"));\n"
179 ) all_functions_and_fish_commands_sorted;
180 pr " printf (\" %%s\\n\",";
181 pr " _(\"Use -h <cmd> / help <cmd> to show detailed help for a command.\"));\n";
185 (* display_command function, which implements guestfish -h cmd *)
186 pr "int display_command (const char *cmd)\n";
188 pr " const struct command_table *ct;\n";
190 pr " ct = lookup_fish_command (cmd, strlen (cmd));\n";
192 pr " pod2text (ct->entry->name, ct->entry->shortdesc, ct->entry->podbody);\n";
196 pr " return display_builtin_command (cmd);\n";
200 let emit_print_list_function typ =
201 pr "static void print_%s_list (struct guestfs_%s_list *%ss)\n"
204 pr " unsigned int i;\n";
206 pr " for (i = 0; i < %ss->len; ++i) {\n" typ;
207 pr " printf (\"[%%d] = {\\n\", i);\n";
208 pr " print_%s_indent (&%ss->val[i], \" \");\n" typ typ;
209 pr " printf (\"}\\n\");\n";
215 (* print_* functions *)
219 List.exists (function (_, (FUUID|FBuffer)) -> true | _ -> false) cols in
221 pr "static void print_%s_indent (struct guestfs_%s *%s, const char *indent)\n" typ typ typ;
224 pr " unsigned int i;\n";
230 pr " printf (\"%%s%s: %%s\\n\", indent, %s->%s);\n" name typ name
232 pr " printf (\"%%s%s: \", indent);\n" name;
233 pr " for (i = 0; i < 32; ++i)\n";
234 pr " printf (\"%%c\", %s->%s[i]);\n" typ name;
235 pr " printf (\"\\n\");\n"
237 pr " printf (\"%%s%s: \", indent);\n" name;
238 pr " for (i = 0; i < %s->%s_len; ++i)\n" typ name;
239 pr " if (c_isprint (%s->%s[i]))\n" typ name;
240 pr " printf (\"%%c\", %s->%s[i]);\n" typ name;
242 pr " printf (\"\\\\x%%02x\", %s->%s[i]);\n" typ name;
243 pr " printf (\"\\n\");\n"
244 | name, (FUInt64|FBytes) ->
245 pr " printf (\"%%s%s: %%\" PRIu64 \"\\n\", indent, %s->%s);\n"
248 pr " printf (\"%%s%s: %%\" PRIi64 \"\\n\", indent, %s->%s);\n"
251 pr " printf (\"%%s%s: %%\" PRIu32 \"\\n\", indent, %s->%s);\n"
254 pr " printf (\"%%s%s: %%\" PRIi32 \"\\n\", indent, %s->%s);\n"
257 pr " printf (\"%%s%s: %%c\\n\", indent, %s->%s);\n"
259 | name, FOptPercent ->
260 pr " if (%s->%s >= 0) printf (\"%%s%s: %%g %%%%\\n\", indent, %s->%s);\n"
261 typ name name typ name;
262 pr " else printf (\"%%s%s: \\n\", indent);\n" name
268 (* Emit a print_TYPE_list function definition only if that function is used. *)
271 | typ, (RStructListOnly | RStructAndList) ->
272 (* generate the function for typ *)
273 emit_print_list_function typ
274 | typ, _ -> () (* empty *)
275 ) (rstructs_used_by all_functions);
277 (* Emit a print_TYPE function definition only if that function is used. *)
280 | typ, (RStructOnly | RStructAndList) ->
281 pr "static void print_%s (struct guestfs_%s *%s)\n" typ typ typ;
283 pr " print_%s_indent (%s, \"\");\n" typ typ;
286 | typ, _ -> () (* empty *)
287 ) (rstructs_used_by all_functions);
289 (* run_<action> actions *)
291 fun (name, (ret, args, optargs as style), _, flags, _, _, _) ->
293 pr "run_%s (const char *cmd, size_t argc, char *argv[])\n" name;
298 | RBool _ -> pr " int r;\n"
299 | RInt64 _ -> pr " int64_t r;\n"
300 | RConstString _ | RConstOptString _ -> pr " const char *r;\n"
301 | RString _ -> pr " char *r;\n"
302 | RStringList _ | RHashtable _ -> pr " char **r;\n"
303 | RStruct (_, typ) -> pr " struct guestfs_%s *r;\n" typ
304 | RStructList (_, typ) -> pr " struct guestfs_%s_list *r;\n" typ
307 pr " size_t size;\n";
313 | OptString n -> pr " const char *%s;\n" n
318 | Key n -> pr " char *%s;\n" n
320 pr " const char *%s;\n" n;
321 pr " size_t %s_size;\n" n
322 | StringList n | DeviceList n -> pr " char **%s;\n" n
323 | Bool n -> pr " int %s;\n" n
324 | Int n -> pr " int %s;\n" n
325 | Int64 n -> pr " int64_t %s;\n" n
328 if optargs <> [] then (
329 pr " struct guestfs_%s_argv optargs_s = { .bitmask = 0 };\n" name;
330 pr " struct guestfs_%s_argv *optargs = &optargs_s;\n" name
333 if args <> [] || optargs <> [] then
334 pr " size_t i = 0;\n";
338 (* Check and convert parameters. *)
339 let argc_minimum, argc_maximum =
341 List.filter (function Key _ -> false | _ -> true) args in
342 let argc_minimum = List.length args_no_keys in
343 let argc_maximum = argc_minimum + List.length optargs in
344 argc_minimum, argc_maximum in
346 if argc_minimum = argc_maximum then (
347 pr " if (argc != %d) {\n" argc_minimum;
348 pr " fprintf (stderr, _(\"%%s should have %%d parameter(s)\\n\"), cmd, %d);\n"
351 pr " if (argc < %d || argc > %d) {\n" argc_minimum argc_maximum;
352 pr " fprintf (stderr, _(\"%%s should have %%d-%%d parameter(s)\\n\"), cmd, %d, %d);\n"
353 argc_minimum argc_maximum;
355 pr " fprintf (stderr, _(\"type 'help %%s' for help on %%s\\n\"), cmd, cmd);\n";
359 let parse_integer expr fn fntyp rtyp range name =
361 pr " strtol_error xerr;\n";
364 pr " xerr = %s (%s, NULL, 0, &r, xstrtol_suffixes);\n" fn expr;
365 pr " if (xerr != LONGINT_OK) {\n";
366 pr " fprintf (stderr,\n";
367 pr " _(\"%%s: %%s: invalid integer parameter (%%s returned %%d)\\n\"),\n";
368 pr " cmd, \"%s\", \"%s\", xerr);\n" name fn;
373 | Some (min, max, comment) ->
374 pr " /* %s */\n" comment;
375 pr " if (r < %s || r > %s) {\n" min max;
376 pr " fprintf (stderr, _(\"%%s: %%s: integer out of range\\n\"), cmd, \"%s\");\n"
380 pr " /* The check above should ensure this assignment does not overflow. */\n";
382 pr " %s = r;\n" name;
390 pr " %s = argv[i++];\n" name
392 | Dev_or_Path name ->
393 pr " %s = resolve_win_path (argv[i++]);\n" name;
394 pr " if (%s == NULL) return -1;\n" name
396 pr " %s = STRNEQ (argv[i], \"\") ? argv[i] : NULL;\n" name;
399 pr " %s = argv[i];\n" name;
400 pr " %s_size = strlen (argv[i]);\n" name;
403 pr " %s = file_in (argv[i++]);\n" name;
404 pr " if (%s == NULL) return -1;\n" name
406 pr " %s = file_out (argv[i++]);\n" name;
407 pr " if (%s == NULL) return -1;\n" name
408 | StringList name | DeviceList name ->
409 pr " %s = parse_string_list (argv[i++]);\n" name;
410 pr " if (%s == NULL) return -1;\n" name
412 pr " %s = read_key (\"%s\");\n" name name;
413 pr " if (%s == NULL) return -1;\n" name
415 pr " %s = is_true (argv[i++]) ? 1 : 0;\n" name
418 let min = "(-(2LL<<30))"
419 and max = "((2LL<<30)-1)"
421 "The Int type in the generator is a signed 31 bit int." in
422 Some (min, max, comment) in
423 parse_integer "argv[i++]" "xstrtoll" "long long" "int" range name
425 parse_integer "argv[i++]" "xstrtoll" "long long" "int64_t" None name
428 (* Optional arguments are prefixed with <argname>:<value> and
429 * may be missing, so we need to parse those until the end of
432 if optargs <> [] then (
433 let uc_name = String.uppercase name in
435 pr " for (; i < argc; ++i) {\n";
436 pr " uint64_t this_mask;\n";
437 pr " const char *this_arg;\n";
442 let n = name_of_argt argt in
443 let uc_n = String.uppercase n in
444 let len = String.length n in
445 pr "if (STRPREFIX (argv[i], \"%s:\")) {\n" n;
448 pr " optargs_s.%s = is_true (&argv[i][%d]) ? 1 : 0;\n"
452 let min = "(-(2LL<<30))"
453 and max = "((2LL<<30)-1)"
455 "The Int type in the generator is a signed 31 bit int." in
456 Some (min, max, comment) in
457 let expr = sprintf "&argv[i][%d]" (len+1) in
458 parse_integer expr "xstrtoll" "long long" "int" range name
460 let expr = sprintf "&argv[i][%d]" (len+1) in
461 parse_integer expr "xstrtoll" "long long" "int64_t" None name
463 pr " optargs_s.%s = &argv[i][%d];\n" n (len+1);
466 pr " this_mask = GUESTFS_%s_%s_BITMASK;\n" uc_name uc_n;
467 pr " this_arg = \"%s\";\n" n;
473 pr " fprintf (stderr, _(\"%%s: unknown optional argument \\\"%%s\\\"\\n\"),\n";
474 pr " cmd, argv[i]);\n";
478 pr " if (optargs_s.bitmask & this_mask) {\n";
479 pr " fprintf (stderr, _(\"%%s: optional argument \\\"%%s\\\" given twice\\n\"),\n";
480 pr " cmd, this_arg);\n";
483 pr " optargs_s.bitmask |= this_mask;\n";
488 (* Call C API function. *)
490 pr " r = guestfs_%s " name
492 pr " r = guestfs_%s_argv " name;
493 generate_c_call_args ~handle:"g" style;
498 | Device _ | String _
499 | OptString _ | Bool _
502 | Pathname name | Dev_or_Path name | FileOut name
504 pr " free (%s);\n" name
506 pr " free_file_in (%s);\n" name
507 | StringList name | DeviceList name ->
508 pr " free_strings (%s);\n" name
511 (* Any output flags? *)
513 let flags = filter_map (
514 function FishOutput flag -> Some flag | _ -> None
520 failwithf "%s: more than one FishOutput flag is not allowed" name in
522 (* Check return value for errors and display command results. *)
524 | RErr -> pr " return r;\n"
526 pr " if (r == -1) return -1;\n";
527 (match fish_output with
529 pr " printf (\"%%d\\n\", r);\n";
530 | Some FishOutputOctal ->
531 pr " printf (\"%%s%%o\\n\", r != 0 ? \"0\" : \"\", r);\n";
532 | Some FishOutputHexadecimal ->
533 pr " printf (\"%%s%%x\\n\", r != 0 ? \"0x\" : \"\", r);\n");
536 pr " if (r == -1) return -1;\n";
537 (match fish_output with
539 pr " printf (\"%%\" PRIi64 \"\\n\", r);\n";
540 | Some FishOutputOctal ->
541 pr " printf (\"%%s%%\" PRIo64 \"\\n\", r != 0 ? \"0\" : \"\", r);\n";
542 | Some FishOutputHexadecimal ->
543 pr " printf (\"%%s%%\" PRIx64 \"\\n\", r != 0 ? \"0x\" : \"\", r);\n");
546 pr " if (r == -1) return -1;\n";
547 pr " if (r) printf (\"true\\n\"); else printf (\"false\\n\");\n";
550 pr " if (r == NULL) return -1;\n";
551 pr " printf (\"%%s\\n\", r);\n";
553 | RConstOptString _ ->
554 pr " printf (\"%%s\\n\", r ? : \"(null)\");\n";
557 pr " if (r == NULL) return -1;\n";
558 pr " printf (\"%%s\\n\", r);\n";
562 pr " if (r == NULL) return -1;\n";
563 pr " print_strings (r);\n";
564 pr " free_strings (r);\n";
566 | RStruct (_, typ) ->
567 pr " if (r == NULL) return -1;\n";
568 pr " print_%s (r);\n" typ;
569 pr " guestfs_free_%s (r);\n" typ;
571 | RStructList (_, typ) ->
572 pr " if (r == NULL) return -1;\n";
573 pr " print_%s_list (r);\n" typ;
574 pr " guestfs_free_%s_list (r);\n" typ;
577 pr " if (r == NULL) return -1;\n";
578 pr " print_table (r);\n";
579 pr " free_strings (r);\n";
582 pr " if (r == NULL) return -1;\n";
583 pr " if (full_write (1, r, size) != size) {\n";
584 pr " perror (\"write\");\n";
595 (* run_action function *)
597 pr "run_action (const char *cmd, size_t argc, char *argv[])\n";
599 pr " const struct command_table *ct;\n";
601 pr " ct = lookup_fish_command (cmd, strlen (cmd));\n";
603 pr " return ct->entry->run (cmd, argc, argv);\n";
605 pr " fprintf (stderr, _(\"%%s: unknown command\\n\"), cmd);\n";
606 pr " if (command_num == 1)\n";
607 pr " extended_help_message ();\n";
612 (* gperf code to do fast lookups of commands. *)
613 and generate_fish_cmds_gperf () =
614 generate_header CStyle GPLv2plus;
616 let all_functions_sorted =
618 fun (_, _, _, flags, _, _, _) -> not (List.mem NotInFish flags)
619 ) all_functions_sorted in
621 let all_functions_and_fish_commands_sorted =
622 List.sort action_compare (all_functions_sorted @ fish_commands) in
626 %%define lookup-function-name lookup_fish_command
638 #include \"cmds_gperf.h\"
643 fun (name, _, _, _, _, _, _) ->
644 pr "extern struct command_entry %s_cmd_entry;\n" name
645 ) all_functions_and_fish_commands_sorted;
650 struct command_table;
656 fun (name, _, _, flags, _, _, _) ->
657 let name2 = replace_char name '_' '-' in
659 filter_map (function FishAlias n -> Some n | _ -> None) flags in
661 (* The basic command. *)
662 pr "%s, &%s_cmd_entry\n" name name;
664 (* Command with dashes instead of underscores. *)
665 if name <> name2 then
666 pr "%s, &%s_cmd_entry\n" name2 name;
668 (* Aliases for the command. *)
671 pr "%s, &%s_cmd_entry\n" alias name;
673 ) all_functions_and_fish_commands_sorted
675 (* Readline completion for guestfish. *)
676 and generate_fish_completion () =
677 generate_header CStyle GPLv2plus;
681 fun (_, _, _, flags, _, _, _) -> not (List.mem NotInFish flags)
691 #ifdef HAVE_LIBREADLINE
692 #include <readline/readline.h>
697 #ifdef HAVE_LIBREADLINE
699 static const char *const commands[] = {
700 BUILTIN_COMMANDS_FOR_COMPLETION,
703 (* Get the commands, including the aliases. They don't need to be
704 * sorted - the generator() function just does a dumb linear search.
708 fun (name, _, _, flags, _, _, _) ->
709 let name2 = replace_char name '_' '-' in
711 filter_map (function FishAlias n -> Some n | _ -> None) flags in
713 ) (all_functions @ fish_commands) in
714 let commands = List.flatten commands in
716 List.iter (pr " \"%s\",\n") commands;
722 generator (const char *text, int state)
724 static size_t index, len;
732 rl_attempted_completion_over = 1;
734 while ((name = commands[index]) != NULL) {
736 if (STRCASEEQLEN (name, text, len))
737 return strdup (name);
743 #endif /* HAVE_LIBREADLINE */
745 #ifdef HAVE_RL_COMPLETION_MATCHES
746 #define RL_COMPLETION_MATCHES rl_completion_matches
748 #ifdef HAVE_COMPLETION_MATCHES
749 #define RL_COMPLETION_MATCHES completion_matches
751 #endif /* else just fail if we don't have either symbol */
754 do_completion (const char *text, int start, int end)
756 char **matches = NULL;
758 #ifdef HAVE_LIBREADLINE
759 rl_completion_append_character = ' ';
762 matches = RL_COMPLETION_MATCHES (text, generator);
763 else if (complete_dest_paths)
764 matches = RL_COMPLETION_MATCHES (text, complete_dest_paths_generator);
771 (* Generate the POD documentation for guestfish. *)
772 and generate_fish_actions_pod () =
773 let all_functions_sorted =
775 fun (_, _, _, flags, _, _, _) ->
776 not (List.mem NotInFish flags || List.mem NotInDocs flags)
777 ) all_functions_sorted in
779 let rex = Str.regexp "C<guestfs_\\([^>]+\\)>" in
782 fun (name, (_, args, optargs), _, flags, _, _, longdesc) ->
784 Str.global_substitute rex (
787 try Str.matched_group 1 s
789 failwithf "error substituting C<guestfs_...> in longdesc of function %s" name in
790 "L</" ^ replace_char sub '_' '-' ^ ">"
792 let name = replace_char name '_' '-' in
794 filter_map (function FishAlias n -> Some n | _ -> None) flags in
798 pr "=head2 %s\n\n" name
803 | Pathname n | Device n | Dev_or_Path n | String n ->
805 | OptString n -> pr " %s" n
806 | StringList n | DeviceList n -> pr " '%s ...'" n
807 | Bool _ -> pr " true|false"
808 | Int n -> pr " %s" n
809 | Int64 n -> pr " %s" n
810 | FileIn n | FileOut n -> pr " (%s|-)" n
811 | BufferIn n -> pr " %s" n
812 | Key _ -> () (* keys are entered at a prompt *)
816 | Bool n | Int n | Int64 n | String n -> pr " [%s:..]" n
821 pr "%s\n\n" longdesc;
823 if List.exists (function FileIn _ | FileOut _ -> true
824 | _ -> false) args then
825 pr "Use C<-> instead of a filename to read/write from stdin/stdout.\n\n";
827 if List.exists (function Key _ -> true | _ -> false) args then
828 pr "This command has one or more key or passphrase parameters.
829 Guestfish will prompt for these separately.\n\n";
831 if optargs <> [] then
832 pr "This command has one or more optional arguments. See L</OPTIONAL ARGUMENTS>.\n\n";
834 if List.mem ProtocolLimitWarning flags then
835 pr "%s\n\n" protocol_limit_warning;
837 if List.mem DangerWillRobinson flags then
838 pr "%s\n\n" danger_will_robinson;
840 match deprecation_notice flags with
842 | Some txt -> pr "%s\n\n" txt
843 ) all_functions_sorted
845 (* Generate documentation for guestfish-only commands. *)
846 and generate_fish_commands_pod () =
848 fun (name, _, _, flags, _, _, longdesc) ->
849 let name = replace_char name '_' '-' in
851 filter_map (function FishAlias n -> Some n | _ -> None) flags in
855 pr "=head2 %s\n\n" name
857 pr "%s\n\n" longdesc;
860 and generate_fish_prep_options_h () =
861 generate_header CStyle GPLv2plus;
863 pr "#ifndef PREPOPTS_H\n";
868 const char *name; /* eg. \"fs\" */
870 size_t nr_params; /* optional parameters */
871 struct prep_param *params;
873 const char *shortdesc; /* short description */
874 const char *longdesc; /* long description */
876 /* functions to implement it */
877 void (*prelaunch) (const char *filename, prep_data *);
878 void (*postlaunch) (const char *filename, prep_data *, const char *device);
882 const char *pname; /* parameter name */
883 const char *pdefault; /* parameter default */
884 const char *pdesc; /* parameter description */
887 extern const struct prep preps[];
890 " (List.length prepopts);
893 fun (name, shortdesc, args, longdesc) ->
895 extern void prep_prelaunch_%s (const char *filename, prep_data *data);
896 extern void prep_postlaunch_%s (const char *filename, prep_data *data, const char *device);
902 pr "#endif /* PREPOPTS_H */\n"
904 and generate_fish_prep_options_c () =
905 generate_header CStyle GPLv2plus;
909 #include \"prepopts.h\"
914 fun (name, shortdesc, args, longdesc) ->
915 pr "static struct prep_param %s_args[] = {\n" name;
917 fun (n, default, desc) ->
918 pr " { \"%s\", \"%s\", \"%s\" },\n" n default desc
924 pr "const struct prep preps[] = {\n";
926 fun (name, shortdesc, args, longdesc) ->
927 pr " { \"%s\", %d, %s_args,
930 prep_prelaunch_%s, prep_postlaunch_%s },
932 name (List.length args) name
933 (c_quote shortdesc) (c_quote longdesc)