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
326 | Pointer _ -> assert false
329 if optargs <> [] then (
330 pr " struct guestfs_%s_argv optargs_s = { .bitmask = 0 };\n" name;
331 pr " struct guestfs_%s_argv *optargs = &optargs_s;\n" name
334 if args <> [] || optargs <> [] then
335 pr " size_t i = 0;\n";
339 (* Check and convert parameters. *)
340 let argc_minimum, argc_maximum =
342 List.filter (function Key _ -> false | _ -> true) args in
343 let argc_minimum = List.length args_no_keys in
344 let argc_maximum = argc_minimum + List.length optargs in
345 argc_minimum, argc_maximum in
347 if argc_minimum = argc_maximum then (
348 pr " if (argc != %d) {\n" argc_minimum;
349 pr " fprintf (stderr, _(\"%%s should have %%d parameter(s)\\n\"), cmd, %d);\n"
352 pr " if (argc < %d || argc > %d) {\n" argc_minimum argc_maximum;
353 pr " fprintf (stderr, _(\"%%s should have %%d-%%d parameter(s)\\n\"), cmd, %d, %d);\n"
354 argc_minimum argc_maximum;
356 pr " fprintf (stderr, _(\"type 'help %%s' for help on %%s\\n\"), cmd, cmd);\n";
360 let parse_integer expr fn fntyp rtyp range name =
362 pr " strtol_error xerr;\n";
365 pr " xerr = %s (%s, NULL, 0, &r, xstrtol_suffixes);\n" fn expr;
366 pr " if (xerr != LONGINT_OK) {\n";
367 pr " fprintf (stderr,\n";
368 pr " _(\"%%s: %%s: invalid integer parameter (%%s returned %%d)\\n\"),\n";
369 pr " cmd, \"%s\", \"%s\", xerr);\n" name fn;
374 | Some (min, max, comment) ->
375 pr " /* %s */\n" comment;
376 pr " if (r < %s || r > %s) {\n" min max;
377 pr " fprintf (stderr, _(\"%%s: %%s: integer out of range\\n\"), cmd, \"%s\");\n"
381 pr " /* The check above should ensure this assignment does not overflow. */\n";
383 pr " %s = r;\n" name;
391 pr " %s = argv[i++];\n" name
393 | Dev_or_Path name ->
394 pr " %s = resolve_win_path (argv[i++]);\n" name;
395 pr " if (%s == NULL) return -1;\n" name
397 pr " %s = STRNEQ (argv[i], \"\") ? argv[i] : NULL;\n" name;
400 pr " %s = argv[i];\n" name;
401 pr " %s_size = strlen (argv[i]);\n" name;
404 pr " %s = file_in (argv[i++]);\n" name;
405 pr " if (%s == NULL) return -1;\n" name
407 pr " %s = file_out (argv[i++]);\n" name;
408 pr " if (%s == NULL) return -1;\n" name
409 | StringList name | DeviceList name ->
410 pr " %s = parse_string_list (argv[i++]);\n" name;
411 pr " if (%s == NULL) return -1;\n" name
413 pr " %s = read_key (\"%s\");\n" name name;
414 pr " if (%s == NULL) return -1;\n" name
416 pr " %s = is_true (argv[i++]) ? 1 : 0;\n" name
419 let min = "(-(2LL<<30))"
420 and max = "((2LL<<30)-1)"
422 "The Int type in the generator is a signed 31 bit int." in
423 Some (min, max, comment) in
424 parse_integer "argv[i++]" "xstrtoll" "long long" "int" range name
426 parse_integer "argv[i++]" "xstrtoll" "long long" "int64_t" None name
427 | Pointer _ -> assert false
430 (* Optional arguments are prefixed with <argname>:<value> and
431 * may be missing, so we need to parse those until the end of
434 if optargs <> [] then (
435 let uc_name = String.uppercase name in
437 pr " for (; i < argc; ++i) {\n";
438 pr " uint64_t this_mask;\n";
439 pr " const char *this_arg;\n";
444 let n = name_of_argt argt in
445 let uc_n = String.uppercase n in
446 let len = String.length n in
447 pr "if (STRPREFIX (argv[i], \"%s:\")) {\n" n;
450 pr " optargs_s.%s = is_true (&argv[i][%d]) ? 1 : 0;\n"
454 let min = "(-(2LL<<30))"
455 and max = "((2LL<<30)-1)"
457 "The Int type in the generator is a signed 31 bit int." in
458 Some (min, max, comment) in
459 let expr = sprintf "&argv[i][%d]" (len+1) in
460 parse_integer expr "xstrtoll" "long long" "int" range name
462 let expr = sprintf "&argv[i][%d]" (len+1) in
463 parse_integer expr "xstrtoll" "long long" "int64_t" None name
465 pr " optargs_s.%s = &argv[i][%d];\n" n (len+1);
468 pr " this_mask = GUESTFS_%s_%s_BITMASK;\n" uc_name uc_n;
469 pr " this_arg = \"%s\";\n" n;
475 pr " fprintf (stderr, _(\"%%s: unknown optional argument \\\"%%s\\\"\\n\"),\n";
476 pr " cmd, argv[i]);\n";
480 pr " if (optargs_s.bitmask & this_mask) {\n";
481 pr " fprintf (stderr, _(\"%%s: optional argument \\\"%%s\\\" given twice\\n\"),\n";
482 pr " cmd, this_arg);\n";
485 pr " optargs_s.bitmask |= this_mask;\n";
490 (* Call C API function. *)
492 pr " r = guestfs_%s " name
494 pr " r = guestfs_%s_argv " name;
495 generate_c_call_args ~handle:"g" style;
500 | Device _ | String _
501 | OptString _ | Bool _
504 | Pathname name | Dev_or_Path name | FileOut name
506 pr " free (%s);\n" name
508 pr " free_file_in (%s);\n" name
509 | StringList name | DeviceList name ->
510 pr " free_strings (%s);\n" name
511 | Pointer _ -> assert false
514 (* Any output flags? *)
516 let flags = filter_map (
517 function FishOutput flag -> Some flag | _ -> None
523 failwithf "%s: more than one FishOutput flag is not allowed" name in
525 (* Check return value for errors and display command results. *)
527 | RErr -> pr " return r;\n"
529 pr " if (r == -1) return -1;\n";
530 (match fish_output with
532 pr " printf (\"%%d\\n\", r);\n";
533 | Some FishOutputOctal ->
534 pr " printf (\"%%s%%o\\n\", r != 0 ? \"0\" : \"\", r);\n";
535 | Some FishOutputHexadecimal ->
536 pr " printf (\"%%s%%x\\n\", r != 0 ? \"0x\" : \"\", r);\n");
539 pr " if (r == -1) return -1;\n";
540 (match fish_output with
542 pr " printf (\"%%\" PRIi64 \"\\n\", r);\n";
543 | Some FishOutputOctal ->
544 pr " printf (\"%%s%%\" PRIo64 \"\\n\", r != 0 ? \"0\" : \"\", r);\n";
545 | Some FishOutputHexadecimal ->
546 pr " printf (\"%%s%%\" PRIx64 \"\\n\", r != 0 ? \"0x\" : \"\", r);\n");
549 pr " if (r == -1) return -1;\n";
550 pr " if (r) printf (\"true\\n\"); else printf (\"false\\n\");\n";
553 pr " if (r == NULL) return -1;\n";
554 pr " printf (\"%%s\\n\", r);\n";
556 | RConstOptString _ ->
557 pr " printf (\"%%s\\n\", r ? : \"(null)\");\n";
560 pr " if (r == NULL) return -1;\n";
561 pr " printf (\"%%s\\n\", r);\n";
565 pr " if (r == NULL) return -1;\n";
566 pr " print_strings (r);\n";
567 pr " free_strings (r);\n";
569 | RStruct (_, typ) ->
570 pr " if (r == NULL) return -1;\n";
571 pr " print_%s (r);\n" typ;
572 pr " guestfs_free_%s (r);\n" typ;
574 | RStructList (_, typ) ->
575 pr " if (r == NULL) return -1;\n";
576 pr " print_%s_list (r);\n" typ;
577 pr " guestfs_free_%s_list (r);\n" typ;
580 pr " if (r == NULL) return -1;\n";
581 pr " print_table (r);\n";
582 pr " free_strings (r);\n";
585 pr " if (r == NULL) return -1;\n";
586 pr " if (full_write (1, r, size) != size) {\n";
587 pr " perror (\"write\");\n";
598 (* run_action function *)
600 pr "run_action (const char *cmd, size_t argc, char *argv[])\n";
602 pr " const struct command_table *ct;\n";
604 pr " ct = lookup_fish_command (cmd, strlen (cmd));\n";
606 pr " return ct->entry->run (cmd, argc, argv);\n";
608 pr " fprintf (stderr, _(\"%%s: unknown command\\n\"), cmd);\n";
609 pr " if (command_num == 1)\n";
610 pr " extended_help_message ();\n";
615 (* gperf code to do fast lookups of commands. *)
616 and generate_fish_cmds_gperf () =
617 generate_header CStyle GPLv2plus;
619 let all_functions_sorted =
621 fun (_, _, _, flags, _, _, _) -> not (List.mem NotInFish flags)
622 ) all_functions_sorted in
624 let all_functions_and_fish_commands_sorted =
625 List.sort action_compare (all_functions_sorted @ fish_commands) in
629 %%define lookup-function-name lookup_fish_command
641 #include \"cmds_gperf.h\"
646 fun (name, _, _, _, _, _, _) ->
647 pr "extern struct command_entry %s_cmd_entry;\n" name
648 ) all_functions_and_fish_commands_sorted;
653 struct command_table;
659 fun (name, _, _, flags, _, _, _) ->
660 let name2 = replace_char name '_' '-' in
662 filter_map (function FishAlias n -> Some n | _ -> None) flags in
664 (* The basic command. *)
665 pr "%s, &%s_cmd_entry\n" name name;
667 (* Command with dashes instead of underscores. *)
668 if name <> name2 then
669 pr "%s, &%s_cmd_entry\n" name2 name;
671 (* Aliases for the command. *)
674 pr "%s, &%s_cmd_entry\n" alias name;
676 ) all_functions_and_fish_commands_sorted
678 (* Readline completion for guestfish. *)
679 and generate_fish_completion () =
680 generate_header CStyle GPLv2plus;
684 fun (_, _, _, flags, _, _, _) -> not (List.mem NotInFish flags)
694 #ifdef HAVE_LIBREADLINE
695 #include <readline/readline.h>
700 #ifdef HAVE_LIBREADLINE
702 static const char *const commands[] = {
703 BUILTIN_COMMANDS_FOR_COMPLETION,
706 (* Get the commands, including the aliases. They don't need to be
707 * sorted - the generator() function just does a dumb linear search.
711 fun (name, _, _, flags, _, _, _) ->
712 let name2 = replace_char name '_' '-' in
714 filter_map (function FishAlias n -> Some n | _ -> None) flags in
716 ) (all_functions @ fish_commands) in
717 let commands = List.flatten commands in
719 List.iter (pr " \"%s\",\n") commands;
725 generator (const char *text, int state)
727 static size_t index, len;
735 rl_attempted_completion_over = 1;
737 while ((name = commands[index]) != NULL) {
739 if (STRCASEEQLEN (name, text, len))
740 return strdup (name);
746 #endif /* HAVE_LIBREADLINE */
748 #ifdef HAVE_RL_COMPLETION_MATCHES
749 #define RL_COMPLETION_MATCHES rl_completion_matches
751 #ifdef HAVE_COMPLETION_MATCHES
752 #define RL_COMPLETION_MATCHES completion_matches
754 #endif /* else just fail if we don't have either symbol */
757 do_completion (const char *text, int start, int end)
759 char **matches = NULL;
761 #ifdef HAVE_LIBREADLINE
762 rl_completion_append_character = ' ';
765 matches = RL_COMPLETION_MATCHES (text, generator);
766 else if (complete_dest_paths)
767 matches = RL_COMPLETION_MATCHES (text, complete_dest_paths_generator);
774 (* Generate the POD documentation for guestfish. *)
775 and generate_fish_actions_pod () =
776 let all_functions_sorted =
778 fun (_, _, _, flags, _, _, _) ->
779 not (List.mem NotInFish flags || List.mem NotInDocs flags)
780 ) all_functions_sorted in
782 let rex = Str.regexp "C<guestfs_\\([^>]+\\)>" in
785 fun (name, (_, args, optargs), _, flags, _, _, longdesc) ->
787 Str.global_substitute rex (
790 try Str.matched_group 1 s
792 failwithf "error substituting C<guestfs_...> in longdesc of function %s" name in
793 "L</" ^ replace_char sub '_' '-' ^ ">"
795 let name = replace_char name '_' '-' in
797 filter_map (function FishAlias n -> Some n | _ -> None) flags in
801 pr "=head2 %s\n\n" name
806 | Pathname n | Device n | Dev_or_Path n | String n ->
808 | OptString n -> pr " %s" n
809 | StringList n | DeviceList n -> pr " '%s ...'" n
810 | Bool _ -> pr " true|false"
811 | Int n -> pr " %s" n
812 | Int64 n -> pr " %s" n
813 | FileIn n | FileOut n -> pr " (%s|-)" n
814 | BufferIn n -> pr " %s" n
815 | Key _ -> () (* keys are entered at a prompt *)
816 | Pointer _ -> assert false
820 | Bool n | Int n | Int64 n | String n -> pr " [%s:..]" n
825 pr "%s\n\n" longdesc;
827 if List.exists (function FileIn _ | FileOut _ -> true
828 | _ -> false) args then
829 pr "Use C<-> instead of a filename to read/write from stdin/stdout.\n\n";
831 if List.exists (function Key _ -> true | _ -> false) args then
832 pr "This command has one or more key or passphrase parameters.
833 Guestfish will prompt for these separately.\n\n";
835 if optargs <> [] then
836 pr "This command has one or more optional arguments. See L</OPTIONAL ARGUMENTS>.\n\n";
838 if List.mem ProtocolLimitWarning flags then
839 pr "%s\n\n" protocol_limit_warning;
841 if List.mem DangerWillRobinson flags then
842 pr "%s\n\n" danger_will_robinson;
844 match deprecation_notice flags with
846 | Some txt -> pr "%s\n\n" txt
847 ) all_functions_sorted
849 (* Generate documentation for guestfish-only commands. *)
850 and generate_fish_commands_pod () =
852 fun (name, _, _, flags, _, _, longdesc) ->
853 let name = replace_char name '_' '-' in
855 filter_map (function FishAlias n -> Some n | _ -> None) flags in
859 pr "=head2 %s\n\n" name
861 pr "%s\n\n" longdesc;
864 and generate_fish_prep_options_h () =
865 generate_header CStyle GPLv2plus;
867 pr "#ifndef PREPOPTS_H\n";
872 const char *name; /* eg. \"fs\" */
874 size_t nr_params; /* optional parameters */
875 struct prep_param *params;
877 const char *shortdesc; /* short description */
878 const char *longdesc; /* long description */
880 /* functions to implement it */
881 void (*prelaunch) (const char *filename, prep_data *);
882 void (*postlaunch) (const char *filename, prep_data *, const char *device);
886 const char *pname; /* parameter name */
887 const char *pdefault; /* parameter default */
888 const char *pdesc; /* parameter description */
891 extern const struct prep preps[];
894 " (List.length prepopts);
897 fun (name, shortdesc, args, longdesc) ->
899 extern void prep_prelaunch_%s (const char *filename, prep_data *data);
900 extern void prep_postlaunch_%s (const char *filename, prep_data *data, const char *device);
906 pr "#endif /* PREPOPTS_H */\n"
908 and generate_fish_prep_options_c () =
909 generate_header CStyle GPLv2plus;
913 #include \"prepopts.h\"
918 fun (name, shortdesc, args, longdesc) ->
919 pr "static struct prep_param %s_args[] = {\n" name;
921 fun (n, default, desc) ->
922 pr " { \"%s\", \"%s\", \"%s\" },\n" n default desc
928 pr "const struct prep preps[] = {\n";
930 fun (name, shortdesc, args, longdesc) ->
931 pr " { \"%s\", %d, %s_args,
934 prep_prelaunch_%s, prep_postlaunch_%s },
936 name (List.length args) name
937 (c_quote shortdesc) (c_quote longdesc)