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 let name2 = replace_char name '_' '-' in
81 filter_map (function FishAlias n -> Some n | _ -> None) flags in
84 sprintf "\n\nYou can use %s as an alias for this command."
85 (String.concat " or " (List.map (fun s -> "'" ^ s ^ "'") aliases))
89 sprintf "%s - %s\n\n=head1 DESCRIPTION\n\n%s\n\n%s"
90 name2 shortdesc longdesc describe_alias in
92 String.concat "\n" (pod2text ~trim:false ~discard:false "NAME" pod)
95 pr "struct command_entry %s_cmd_entry = {\n" name;
96 pr " .name = \"%s\",\n" name2;
97 pr " .help = \"%s\",\n" (c_quote text);
98 pr " .run = run_%s\n" name;
104 fun (name, (_, args, optargs), _, flags, _, shortdesc, longdesc) ->
105 let name2 = replace_char name '_' '-' in
107 filter_map (function FishAlias n -> Some n | _ -> None) flags in
109 let longdesc = replace_str longdesc "C<guestfs_" "C<" in
114 let args = List.filter (function Key _ -> false | _ -> true) args in
118 (List.map (fun arg -> " " ^ name_of_argt arg) args))
120 (List.map (fun arg -> sprintf " [%s:..]" (name_of_argt arg)) optargs)) in
123 if List.exists (function Key _ -> true | _ -> false) args then
124 "\n\nThis command has one or more key or passphrase parameters.
125 Guestfish will prompt for these separately."
130 if List.mem ProtocolLimitWarning flags then
131 ("\n\n" ^ protocol_limit_warning)
134 (* For DangerWillRobinson commands, we should probably have
135 * guestfish prompt before allowing you to use them (especially
136 * in interactive mode). XXX
140 if List.mem DangerWillRobinson flags then
141 ("\n\n" ^ danger_will_robinson)
146 match deprecation_notice flags with
148 | Some txt -> "\n\n" ^ txt in
151 if aliases <> [] then
152 sprintf "\n\nYou can use %s as an alias for this command."
153 (String.concat " or " (List.map (fun s -> "'" ^ s ^ "'") aliases))
157 sprintf "%s - %s\n\n=head1 SYNOPSIS\n\n %s\n\n=head1 DESCRIPTION\n\n%s%s%s"
158 name2 shortdesc synopsis longdesc warnings describe_alias in
160 String.concat "\n" (pod2text ~trim:false ~discard:false "NAME" pod)
163 pr "struct command_entry %s_cmd_entry = {\n" name;
164 pr " .name = \"%s\",\n" name2;
165 pr " .help = \"%s\",\n" (c_quote text);
166 pr " .run = run_%s\n" name;
171 (* list_commands function, which implements guestfish -h *)
172 pr "void list_commands (void)\n";
174 pr " printf (\" %%-16s %%s\\n\", _(\"Command\"), _(\"Description\"));\n";
175 pr " list_builtin_commands ();\n";
177 fun (name, _, _, flags, _, shortdesc, _) ->
178 let name = replace_char name '_' '-' in
179 pr " printf (\"%%-20s %%s\\n\", \"%s\", _(\"%s\"));\n"
181 ) all_functions_and_fish_commands_sorted;
182 pr " printf (\" %%s\\n\",";
183 pr " _(\"Use -h <cmd> / help <cmd> to show detailed help for a command.\"));\n";
187 (* display_command function, which implements guestfish -h cmd *)
188 pr "int display_command (const char *cmd)\n";
190 pr " const struct command_table *ct;\n";
192 pr " ct = lookup_fish_command (cmd, strlen (cmd));\n";
194 pr " fputs (ct->entry->help, stdout);\n";
198 pr " return display_builtin_command (cmd);\n";
202 let emit_print_list_function typ =
203 pr "static void print_%s_list (struct guestfs_%s_list *%ss)\n"
206 pr " unsigned int i;\n";
208 pr " for (i = 0; i < %ss->len; ++i) {\n" typ;
209 pr " printf (\"[%%d] = {\\n\", i);\n";
210 pr " print_%s_indent (&%ss->val[i], \" \");\n" typ typ;
211 pr " printf (\"}\\n\");\n";
217 (* print_* functions *)
221 List.exists (function (_, (FUUID|FBuffer)) -> true | _ -> false) cols in
223 pr "static void print_%s_indent (struct guestfs_%s *%s, const char *indent)\n" typ typ typ;
226 pr " unsigned int i;\n";
232 pr " printf (\"%%s%s: %%s\\n\", indent, %s->%s);\n" name typ name
234 pr " printf (\"%%s%s: \", indent);\n" name;
235 pr " for (i = 0; i < 32; ++i)\n";
236 pr " printf (\"%%c\", %s->%s[i]);\n" typ name;
237 pr " printf (\"\\n\");\n"
239 pr " printf (\"%%s%s: \", indent);\n" name;
240 pr " for (i = 0; i < %s->%s_len; ++i)\n" typ name;
241 pr " if (c_isprint (%s->%s[i]))\n" typ name;
242 pr " printf (\"%%c\", %s->%s[i]);\n" typ name;
244 pr " printf (\"\\\\x%%02x\", %s->%s[i]);\n" typ name;
245 pr " printf (\"\\n\");\n"
246 | name, (FUInt64|FBytes) ->
247 pr " printf (\"%%s%s: %%\" PRIu64 \"\\n\", indent, %s->%s);\n"
250 pr " printf (\"%%s%s: %%\" PRIi64 \"\\n\", indent, %s->%s);\n"
253 pr " printf (\"%%s%s: %%\" PRIu32 \"\\n\", indent, %s->%s);\n"
256 pr " printf (\"%%s%s: %%\" PRIi32 \"\\n\", indent, %s->%s);\n"
259 pr " printf (\"%%s%s: %%c\\n\", indent, %s->%s);\n"
261 | name, FOptPercent ->
262 pr " if (%s->%s >= 0) printf (\"%%s%s: %%g %%%%\\n\", indent, %s->%s);\n"
263 typ name name typ name;
264 pr " else printf (\"%%s%s: \\n\", indent);\n" name
270 (* Emit a print_TYPE_list function definition only if that function is used. *)
273 | typ, (RStructListOnly | RStructAndList) ->
274 (* generate the function for typ *)
275 emit_print_list_function typ
276 | typ, _ -> () (* empty *)
277 ) (rstructs_used_by all_functions);
279 (* Emit a print_TYPE function definition only if that function is used. *)
282 | typ, (RStructOnly | RStructAndList) ->
283 pr "static void print_%s (struct guestfs_%s *%s)\n" typ typ typ;
285 pr " print_%s_indent (%s, \"\");\n" typ typ;
288 | typ, _ -> () (* empty *)
289 ) (rstructs_used_by all_functions);
291 (* run_<action> actions *)
293 fun (name, (ret, args, optargs as style), _, flags, _, _, _) ->
295 pr "run_%s (const char *cmd, size_t argc, char *argv[])\n" name;
300 | RBool _ -> pr " int r;\n"
301 | RInt64 _ -> pr " int64_t r;\n"
302 | RConstString _ | RConstOptString _ -> pr " const char *r;\n"
303 | RString _ -> pr " char *r;\n"
304 | RStringList _ | RHashtable _ -> pr " char **r;\n"
305 | RStruct (_, typ) -> pr " struct guestfs_%s *r;\n" typ
306 | RStructList (_, typ) -> pr " struct guestfs_%s_list *r;\n" typ
309 pr " size_t size;\n";
315 | OptString n -> pr " const char *%s;\n" n
320 | Key n -> pr " char *%s;\n" n
322 pr " const char *%s;\n" n;
323 pr " size_t %s_size;\n" n
324 | StringList n | DeviceList n -> pr " char **%s;\n" n
325 | Bool n -> pr " int %s;\n" n
326 | Int n -> pr " int %s;\n" n
327 | Int64 n -> pr " int64_t %s;\n" n
328 | Pointer _ -> assert false
331 if optargs <> [] then (
332 pr " struct guestfs_%s_argv optargs_s = { .bitmask = 0 };\n" name;
333 pr " struct guestfs_%s_argv *optargs = &optargs_s;\n" name
336 if args <> [] || optargs <> [] then
337 pr " size_t i = 0;\n";
341 (* Check and convert parameters. *)
342 let argc_minimum, argc_maximum =
344 List.filter (function Key _ -> false | _ -> true) args in
345 let argc_minimum = List.length args_no_keys in
346 let argc_maximum = argc_minimum + List.length optargs in
347 argc_minimum, argc_maximum in
349 if argc_minimum = argc_maximum then (
350 pr " if (argc != %d) {\n" argc_minimum;
351 pr " fprintf (stderr, _(\"%%s should have %%d parameter(s)\\n\"), cmd, %d);\n"
354 pr " if (argc < %d || argc > %d) {\n" argc_minimum argc_maximum;
355 pr " fprintf (stderr, _(\"%%s should have %%d-%%d parameter(s)\\n\"), cmd, %d, %d);\n"
356 argc_minimum argc_maximum;
358 pr " fprintf (stderr, _(\"type 'help %%s' for help on %%s\\n\"), cmd, cmd);\n";
362 let parse_integer expr fn fntyp rtyp range name =
364 pr " strtol_error xerr;\n";
367 pr " xerr = %s (%s, NULL, 0, &r, xstrtol_suffixes);\n" fn expr;
368 pr " if (xerr != LONGINT_OK) {\n";
369 pr " fprintf (stderr,\n";
370 pr " _(\"%%s: %%s: invalid integer parameter (%%s returned %%d)\\n\"),\n";
371 pr " cmd, \"%s\", \"%s\", xerr);\n" name fn;
376 | Some (min, max, comment) ->
377 pr " /* %s */\n" comment;
378 pr " if (r < %s || r > %s) {\n" min max;
379 pr " fprintf (stderr, _(\"%%s: %%s: integer out of range\\n\"), cmd, \"%s\");\n"
383 pr " /* The check above should ensure this assignment does not overflow. */\n";
385 pr " %s = r;\n" name;
393 pr " %s = argv[i++];\n" name
395 | Dev_or_Path name ->
396 pr " %s = win_prefix (argv[i++]); /* process \"win:\" prefix */\n" name;
397 pr " if (%s == NULL) return -1;\n" name
399 pr " %s = STRNEQ (argv[i], \"\") ? argv[i] : NULL;\n" name;
402 pr " %s = argv[i];\n" name;
403 pr " %s_size = strlen (argv[i]);\n" name;
406 pr " %s = file_in (argv[i++]);\n" name;
407 pr " if (%s == NULL) return -1;\n" name
409 pr " %s = file_out (argv[i++]);\n" name;
410 pr " if (%s == NULL) return -1;\n" name
411 | StringList name | DeviceList name ->
412 pr " %s = parse_string_list (argv[i++]);\n" name;
413 pr " if (%s == NULL) return -1;\n" name
415 pr " %s = read_key (\"%s\");\n" name name;
416 pr " if (%s == NULL) return -1;\n" name
418 pr " %s = is_true (argv[i++]) ? 1 : 0;\n" name
421 let min = "(-(2LL<<30))"
422 and max = "((2LL<<30)-1)"
424 "The Int type in the generator is a signed 31 bit int." in
425 Some (min, max, comment) in
426 parse_integer "argv[i++]" "xstrtoll" "long long" "int" range name
428 parse_integer "argv[i++]" "xstrtoll" "long long" "int64_t" None name
429 | Pointer _ -> assert false
432 (* Optional arguments are prefixed with <argname>:<value> and
433 * may be missing, so we need to parse those until the end of
436 if optargs <> [] then (
437 let uc_name = String.uppercase name in
439 pr " for (; i < argc; ++i) {\n";
440 pr " uint64_t this_mask;\n";
441 pr " const char *this_arg;\n";
446 let n = name_of_argt argt in
447 let uc_n = String.uppercase n in
448 let len = String.length n in
449 pr "if (STRPREFIX (argv[i], \"%s:\")) {\n" n;
452 pr " optargs_s.%s = is_true (&argv[i][%d]) ? 1 : 0;\n"
456 let min = "(-(2LL<<30))"
457 and max = "((2LL<<30)-1)"
459 "The Int type in the generator is a signed 31 bit int." in
460 Some (min, max, comment) in
461 let expr = sprintf "&argv[i][%d]" (len+1) in
462 parse_integer expr "xstrtoll" "long long" "int" range
463 (sprintf "optargs_s.%s" n)
465 let expr = sprintf "&argv[i][%d]" (len+1) in
466 parse_integer expr "xstrtoll" "long long" "int64_t" None
467 (sprintf "optargs_s.%s" n)
469 pr " optargs_s.%s = &argv[i][%d];\n" n (len+1);
472 pr " this_mask = GUESTFS_%s_%s_BITMASK;\n" uc_name uc_n;
473 pr " this_arg = \"%s\";\n" n;
479 pr " fprintf (stderr, _(\"%%s: unknown optional argument \\\"%%s\\\"\\n\"),\n";
480 pr " cmd, argv[i]);\n";
484 pr " if (optargs_s.bitmask & this_mask) {\n";
485 pr " fprintf (stderr, _(\"%%s: optional argument \\\"%%s\\\" given twice\\n\"),\n";
486 pr " cmd, this_arg);\n";
489 pr " optargs_s.bitmask |= this_mask;\n";
494 (* Call C API function. *)
496 pr " r = guestfs_%s " name
498 pr " r = guestfs_%s_argv " name;
499 generate_c_call_args ~handle:"g" style;
504 | Device _ | String _
505 | OptString _ | Bool _
508 | Pathname name | Dev_or_Path name | FileOut name
510 pr " free (%s);\n" name
512 pr " free_file_in (%s);\n" name
513 | StringList name | DeviceList name ->
514 pr " free_strings (%s);\n" name
515 | Pointer _ -> assert false
518 (* Any output flags? *)
520 let flags = filter_map (
521 function FishOutput flag -> Some flag | _ -> None
527 failwithf "%s: more than one FishOutput flag is not allowed" name in
529 (* Check return value for errors and display command results. *)
531 | RErr -> pr " return r;\n"
533 pr " if (r == -1) return -1;\n";
534 (match fish_output with
536 pr " printf (\"%%d\\n\", r);\n";
537 | Some FishOutputOctal ->
538 pr " printf (\"%%s%%o\\n\", r != 0 ? \"0\" : \"\", r);\n";
539 | Some FishOutputHexadecimal ->
540 pr " printf (\"%%s%%x\\n\", r != 0 ? \"0x\" : \"\", r);\n");
543 pr " if (r == -1) return -1;\n";
544 (match fish_output with
546 pr " printf (\"%%\" PRIi64 \"\\n\", r);\n";
547 | Some FishOutputOctal ->
548 pr " printf (\"%%s%%\" PRIo64 \"\\n\", r != 0 ? \"0\" : \"\", r);\n";
549 | Some FishOutputHexadecimal ->
550 pr " printf (\"%%s%%\" PRIx64 \"\\n\", r != 0 ? \"0x\" : \"\", r);\n");
553 pr " if (r == -1) return -1;\n";
554 pr " if (r) printf (\"true\\n\"); else printf (\"false\\n\");\n";
557 pr " if (r == NULL) return -1;\n";
558 pr " printf (\"%%s\\n\", r);\n";
560 | RConstOptString _ ->
561 pr " printf (\"%%s\\n\", r ? : \"(null)\");\n";
564 pr " if (r == NULL) return -1;\n";
565 pr " printf (\"%%s\\n\", r);\n";
569 pr " if (r == NULL) return -1;\n";
570 pr " print_strings (r);\n";
571 pr " free_strings (r);\n";
573 | RStruct (_, typ) ->
574 pr " if (r == NULL) return -1;\n";
575 pr " print_%s (r);\n" typ;
576 pr " guestfs_free_%s (r);\n" typ;
578 | RStructList (_, typ) ->
579 pr " if (r == NULL) return -1;\n";
580 pr " print_%s_list (r);\n" typ;
581 pr " guestfs_free_%s_list (r);\n" typ;
584 pr " if (r == NULL) return -1;\n";
585 pr " print_table (r);\n";
586 pr " free_strings (r);\n";
589 pr " if (r == NULL) return -1;\n";
590 pr " if (full_write (1, r, size) != size) {\n";
591 pr " perror (\"write\");\n";
602 (* run_action function *)
604 pr "run_action (const char *cmd, size_t argc, char *argv[])\n";
606 pr " const struct command_table *ct;\n";
608 pr " ct = lookup_fish_command (cmd, strlen (cmd));\n";
610 pr " return ct->entry->run (cmd, argc, argv);\n";
612 pr " fprintf (stderr, _(\"%%s: unknown command\\n\"), cmd);\n";
613 pr " if (command_num == 1)\n";
614 pr " extended_help_message ();\n";
619 (* gperf code to do fast lookups of commands. *)
620 and generate_fish_cmds_gperf () =
621 generate_header CStyle GPLv2plus;
623 let all_functions_sorted =
625 fun (_, _, _, flags, _, _, _) -> not (List.mem NotInFish flags)
626 ) all_functions_sorted in
628 let all_functions_and_fish_commands_sorted =
629 List.sort action_compare (all_functions_sorted @ fish_commands) in
633 %%define lookup-function-name lookup_fish_command
645 #include \"cmds_gperf.h\"
650 fun (name, _, _, _, _, _, _) ->
651 pr "extern struct command_entry %s_cmd_entry;\n" name
652 ) all_functions_and_fish_commands_sorted;
657 struct command_table;
663 fun (name, _, _, flags, _, _, _) ->
664 let name2 = replace_char name '_' '-' in
666 filter_map (function FishAlias n -> Some n | _ -> None) flags in
668 (* The basic command. *)
669 pr "%s, &%s_cmd_entry\n" name name;
671 (* Command with dashes instead of underscores. *)
672 if name <> name2 then
673 pr "%s, &%s_cmd_entry\n" name2 name;
675 (* Aliases for the command. *)
678 pr "%s, &%s_cmd_entry\n" alias name;
680 ) all_functions_and_fish_commands_sorted
682 (* Readline completion for guestfish. *)
683 and generate_fish_completion () =
684 generate_header CStyle GPLv2plus;
688 fun (_, _, _, flags, _, _, _) -> not (List.mem NotInFish flags)
698 #ifdef HAVE_LIBREADLINE
699 #include <readline/readline.h>
704 #ifdef HAVE_LIBREADLINE
706 static const char *const commands[] = {
707 BUILTIN_COMMANDS_FOR_COMPLETION,
710 (* Get the commands, including the aliases. They don't need to be
711 * sorted - the generator() function just does a dumb linear search.
715 fun (name, _, _, flags, _, _, _) ->
716 let name2 = replace_char name '_' '-' in
718 filter_map (function FishAlias n -> Some n | _ -> None) flags in
720 ) (all_functions @ fish_commands) in
721 let commands = List.flatten commands in
723 List.iter (pr " \"%s\",\n") commands;
729 generator (const char *text, int state)
731 static size_t index, len;
739 rl_attempted_completion_over = 1;
741 while ((name = commands[index]) != NULL) {
743 if (STRCASEEQLEN (name, text, len))
744 return strdup (name);
750 #endif /* HAVE_LIBREADLINE */
752 #ifdef HAVE_RL_COMPLETION_MATCHES
753 #define RL_COMPLETION_MATCHES rl_completion_matches
755 #ifdef HAVE_COMPLETION_MATCHES
756 #define RL_COMPLETION_MATCHES completion_matches
758 #endif /* else just fail if we don't have either symbol */
761 do_completion (const char *text, int start, int end)
763 char **matches = NULL;
765 #ifdef HAVE_LIBREADLINE
766 rl_completion_append_character = ' ';
769 matches = RL_COMPLETION_MATCHES (text, generator);
770 else if (complete_dest_paths)
771 matches = RL_COMPLETION_MATCHES (text, complete_dest_paths_generator);
778 (* Generate the POD documentation for guestfish. *)
779 and generate_fish_actions_pod () =
780 let all_functions_sorted =
782 fun (_, _, _, flags, _, _, _) ->
783 not (List.mem NotInFish flags || List.mem NotInDocs flags)
784 ) all_functions_sorted in
786 let rex = Str.regexp "C<guestfs_\\([^>]+\\)>" in
789 fun (name, (_, args, optargs), _, flags, _, _, longdesc) ->
791 Str.global_substitute rex (
794 try Str.matched_group 1 s
796 failwithf "error substituting C<guestfs_...> in longdesc of function %s" name in
797 "L</" ^ replace_char sub '_' '-' ^ ">"
799 let name = replace_char name '_' '-' in
801 filter_map (function FishAlias n -> Some n | _ -> None) flags in
805 pr "=head2 %s\n\n" name
810 | Pathname n | Device n | Dev_or_Path n | String n ->
812 | OptString n -> pr " %s" n
813 | StringList n | DeviceList n -> pr " '%s ...'" n
814 | Bool _ -> pr " true|false"
815 | Int n -> pr " %s" n
816 | Int64 n -> pr " %s" n
817 | FileIn n | FileOut n -> pr " (%s|-)" n
818 | BufferIn n -> pr " %s" n
819 | Key _ -> () (* keys are entered at a prompt *)
820 | Pointer _ -> assert false
824 | Bool n | Int n | Int64 n | String n -> pr " [%s:..]" n
829 pr "%s\n\n" longdesc;
831 if List.exists (function FileIn _ | FileOut _ -> true
832 | _ -> false) args then
833 pr "Use C<-> instead of a filename to read/write from stdin/stdout.\n\n";
835 if List.exists (function Key _ -> true | _ -> false) args then
836 pr "This command has one or more key or passphrase parameters.
837 Guestfish will prompt for these separately.\n\n";
839 if optargs <> [] then
840 pr "This command has one or more optional arguments. See L</OPTIONAL ARGUMENTS>.\n\n";
842 if List.mem ProtocolLimitWarning flags then
843 pr "%s\n\n" protocol_limit_warning;
845 if List.mem DangerWillRobinson flags then
846 pr "%s\n\n" danger_will_robinson;
848 match deprecation_notice flags with
850 | Some txt -> pr "%s\n\n" txt
851 ) all_functions_sorted
853 (* Generate documentation for guestfish-only commands. *)
854 and generate_fish_commands_pod () =
856 fun (name, _, _, flags, _, _, longdesc) ->
857 let name = replace_char name '_' '-' in
859 filter_map (function FishAlias n -> Some n | _ -> None) flags in
863 pr "=head2 %s\n\n" name
865 pr "%s\n\n" longdesc;
868 and generate_fish_prep_options_h () =
869 generate_header CStyle GPLv2plus;
871 pr "#ifndef PREPOPTS_H\n";
876 const char *name; /* eg. \"fs\" */
878 size_t nr_params; /* optional parameters */
879 struct prep_param *params;
881 const char *shortdesc; /* short description */
882 const char *longdesc; /* long description */
884 /* functions to implement it */
885 void (*prelaunch) (const char *filename, prep_data *);
886 void (*postlaunch) (const char *filename, prep_data *, const char *device);
890 const char *pname; /* parameter name */
891 const char *pdefault; /* parameter default */
892 const char *pdesc; /* parameter description */
895 extern const struct prep preps[];
898 " (List.length prepopts);
901 fun (name, shortdesc, args, longdesc) ->
903 extern void prep_prelaunch_%s (const char *filename, prep_data *data);
904 extern void prep_postlaunch_%s (const char *filename, prep_data *data, const char *device);
910 pr "#endif /* PREPOPTS_H */\n"
912 and generate_fish_prep_options_c () =
913 generate_header CStyle GPLv2plus;
919 #include \"prepopts.h\"
924 fun (name, shortdesc, args, longdesc) ->
925 pr "static struct prep_param %s_args[] = {\n" name;
927 fun (n, default, desc) ->
928 pr " { \"%s\", \"%s\", \"%s\" },\n" n default desc
934 pr "const struct prep preps[] = {\n";
936 fun (name, shortdesc, args, longdesc) ->
937 pr " { \"%s\", %d, %s_args,
940 prep_prelaunch_%s, prep_postlaunch_%s },
942 name (List.length args) name
943 (c_quote shortdesc) (c_quote longdesc)