| 1 |
24 |
jeremybenn |
/* Header file for command-reading library command.c.
|
| 2 |
|
|
|
| 3 |
|
|
Copyright (C) 1986, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1999, 2000,
|
| 4 |
|
|
2002, 2004, 2007, 2008 Free Software Foundation, Inc.
|
| 5 |
|
|
|
| 6 |
|
|
This program is free software; you can redistribute it and/or modify
|
| 7 |
|
|
it under the terms of the GNU General Public License as published by
|
| 8 |
|
|
the Free Software Foundation; either version 3 of the License, or
|
| 9 |
|
|
(at your option) any later version.
|
| 10 |
|
|
|
| 11 |
|
|
This program is distributed in the hope that it will be useful,
|
| 12 |
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
| 13 |
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
| 14 |
|
|
GNU General Public License for more details.
|
| 15 |
|
|
|
| 16 |
|
|
You should have received a copy of the GNU General Public License
|
| 17 |
|
|
along with this program. If not, see <http://www.gnu.org/licenses/>. */
|
| 18 |
|
|
|
| 19 |
|
|
#if !defined (COMMAND_H)
|
| 20 |
|
|
#define COMMAND_H 1
|
| 21 |
|
|
|
| 22 |
|
|
/* Command classes are top-level categories into which commands are broken
|
| 23 |
|
|
down for "help" purposes.
|
| 24 |
|
|
Notes on classes: class_alias is for alias commands which are not
|
| 25 |
|
|
abbreviations of the original command. class-pseudo is for
|
| 26 |
|
|
commands which are not really commands nor help topics ("stop"). */
|
| 27 |
|
|
|
| 28 |
|
|
enum command_class
|
| 29 |
|
|
{
|
| 30 |
|
|
/* Special args to help_list */
|
| 31 |
|
|
class_deprecated = -3, all_classes = -2, all_commands = -1,
|
| 32 |
|
|
/* Classes of commands */
|
| 33 |
|
|
no_class = -1, class_run = 0, class_vars, class_stack,
|
| 34 |
|
|
class_files, class_support, class_info, class_breakpoint, class_trace,
|
| 35 |
|
|
class_alias, class_obscure, class_user, class_maintenance,
|
| 36 |
|
|
class_pseudo, class_tui, class_xdb
|
| 37 |
|
|
};
|
| 38 |
|
|
|
| 39 |
|
|
/* FIXME: cagney/2002-03-17: Once cmd_type() has been removed, ``enum
|
| 40 |
|
|
cmd_types'' can be moved from "command.h" to "cli-decode.h". */
|
| 41 |
|
|
/* Not a set/show command. Note that some commands which begin with
|
| 42 |
|
|
"set" or "show" might be in this category, if their syntax does
|
| 43 |
|
|
not fall into one of the following categories. */
|
| 44 |
|
|
typedef enum cmd_types
|
| 45 |
|
|
{
|
| 46 |
|
|
not_set_cmd,
|
| 47 |
|
|
set_cmd,
|
| 48 |
|
|
show_cmd
|
| 49 |
|
|
}
|
| 50 |
|
|
cmd_types;
|
| 51 |
|
|
|
| 52 |
|
|
/* Types of "set" or "show" command. */
|
| 53 |
|
|
typedef enum var_types
|
| 54 |
|
|
{
|
| 55 |
|
|
/* "on" or "off". *VAR is an integer which is nonzero for on,
|
| 56 |
|
|
zero for off. */
|
| 57 |
|
|
var_boolean,
|
| 58 |
|
|
|
| 59 |
|
|
/* "on" / "true" / "enable" or "off" / "false" / "disable" or
|
| 60 |
|
|
"auto. *VAR is an ``enum auto_boolean''. NOTE: In general a
|
| 61 |
|
|
custom show command will need to be implemented - one that for
|
| 62 |
|
|
"auto" prints both the "auto" and the current auto-selected
|
| 63 |
|
|
value. */
|
| 64 |
|
|
var_auto_boolean,
|
| 65 |
|
|
|
| 66 |
|
|
/* Unsigned Integer. *VAR is an unsigned int. The user can type 0
|
| 67 |
|
|
to mean "unlimited", which is stored in *VAR as UINT_MAX. */
|
| 68 |
|
|
var_uinteger,
|
| 69 |
|
|
|
| 70 |
|
|
/* Like var_uinteger but signed. *VAR is an int. The user can type 0
|
| 71 |
|
|
to mean "unlimited", which is stored in *VAR as INT_MAX. */
|
| 72 |
|
|
var_integer,
|
| 73 |
|
|
|
| 74 |
|
|
/* String which the user enters with escapes (e.g. the user types \n and
|
| 75 |
|
|
it is a real newline in the stored string).
|
| 76 |
|
|
*VAR is a malloc'd string, or NULL if the string is empty. */
|
| 77 |
|
|
var_string,
|
| 78 |
|
|
/* String which stores what the user types verbatim.
|
| 79 |
|
|
*VAR is a malloc'd string, or NULL if the string is empty. */
|
| 80 |
|
|
var_string_noescape,
|
| 81 |
|
|
/* String which stores a filename. (*VAR) is a malloc'd string,
|
| 82 |
|
|
or "" if the string was empty. */
|
| 83 |
|
|
var_optional_filename,
|
| 84 |
|
|
/* String which stores a filename. (*VAR) is a malloc'd
|
| 85 |
|
|
string. */
|
| 86 |
|
|
var_filename,
|
| 87 |
|
|
/* ZeroableInteger. *VAR is an int. Like Unsigned Integer except
|
| 88 |
|
|
that zero really means zero. */
|
| 89 |
|
|
var_zinteger,
|
| 90 |
|
|
/* Enumerated type. Can only have one of the specified values. *VAR is a
|
| 91 |
|
|
char pointer to the name of the element that we find. */
|
| 92 |
|
|
var_enum
|
| 93 |
|
|
}
|
| 94 |
|
|
var_types;
|
| 95 |
|
|
|
| 96 |
|
|
/* This structure records one command'd definition. */
|
| 97 |
|
|
struct cmd_list_element;
|
| 98 |
|
|
|
| 99 |
|
|
/* Forward-declarations of the entry-points of cli/cli-decode.c. */
|
| 100 |
|
|
|
| 101 |
|
|
extern struct cmd_list_element *add_cmd (char *, enum command_class,
|
| 102 |
|
|
void (*fun) (char *, int), char *,
|
| 103 |
|
|
struct cmd_list_element **);
|
| 104 |
|
|
|
| 105 |
|
|
extern struct cmd_list_element *add_alias_cmd (char *, char *,
|
| 106 |
|
|
enum command_class, int,
|
| 107 |
|
|
struct cmd_list_element **);
|
| 108 |
|
|
|
| 109 |
|
|
extern struct cmd_list_element *add_prefix_cmd (char *, enum command_class,
|
| 110 |
|
|
void (*fun) (char *, int),
|
| 111 |
|
|
char *,
|
| 112 |
|
|
struct cmd_list_element **,
|
| 113 |
|
|
char *, int,
|
| 114 |
|
|
struct cmd_list_element **);
|
| 115 |
|
|
|
| 116 |
|
|
extern struct cmd_list_element *add_abbrev_prefix_cmd (char *,
|
| 117 |
|
|
enum command_class,
|
| 118 |
|
|
void (*fun) (char *,
|
| 119 |
|
|
int),
|
| 120 |
|
|
char *,
|
| 121 |
|
|
struct cmd_list_element
|
| 122 |
|
|
**, char *, int,
|
| 123 |
|
|
struct cmd_list_element
|
| 124 |
|
|
**);
|
| 125 |
|
|
|
| 126 |
|
|
/* Set the commands corresponding callback. */
|
| 127 |
|
|
|
| 128 |
|
|
typedef void cmd_cfunc_ftype (char *args, int from_tty);
|
| 129 |
|
|
extern void set_cmd_cfunc (struct cmd_list_element *cmd,
|
| 130 |
|
|
cmd_cfunc_ftype *cfunc);
|
| 131 |
|
|
|
| 132 |
|
|
typedef void cmd_sfunc_ftype (char *args, int from_tty,
|
| 133 |
|
|
struct cmd_list_element *c);
|
| 134 |
|
|
extern void set_cmd_sfunc (struct cmd_list_element *cmd,
|
| 135 |
|
|
cmd_sfunc_ftype *sfunc);
|
| 136 |
|
|
|
| 137 |
|
|
extern void set_cmd_completer (struct cmd_list_element *cmd,
|
| 138 |
|
|
char **(*completer) (char *text, char *word));
|
| 139 |
|
|
|
| 140 |
|
|
/* HACK: cagney/2002-02-23: Code, mostly in tracepoints.c, grubs
|
| 141 |
|
|
around in cmd objects to test the value of the commands sfunc(). */
|
| 142 |
|
|
extern int cmd_cfunc_eq (struct cmd_list_element *cmd,
|
| 143 |
|
|
void (*cfunc) (char *args, int from_tty));
|
| 144 |
|
|
|
| 145 |
|
|
/* Each command object has a local context attached to it. . */
|
| 146 |
|
|
extern void set_cmd_context (struct cmd_list_element *cmd, void *context);
|
| 147 |
|
|
extern void *get_cmd_context (struct cmd_list_element *cmd);
|
| 148 |
|
|
|
| 149 |
|
|
|
| 150 |
|
|
/* Execute CMD's pre/post hook. Throw an error if the command fails.
|
| 151 |
|
|
If already executing this pre/post hook, or there is no pre/post
|
| 152 |
|
|
hook, the call is silently ignored. */
|
| 153 |
|
|
extern void execute_cmd_pre_hook (struct cmd_list_element *cmd);
|
| 154 |
|
|
extern void execute_cmd_post_hook (struct cmd_list_element *cmd);
|
| 155 |
|
|
|
| 156 |
|
|
/* Return the type of the command. */
|
| 157 |
|
|
extern enum cmd_types cmd_type (struct cmd_list_element *cmd);
|
| 158 |
|
|
|
| 159 |
|
|
|
| 160 |
|
|
extern struct cmd_list_element *lookup_cmd (char **,
|
| 161 |
|
|
struct cmd_list_element *, char *,
|
| 162 |
|
|
int, int);
|
| 163 |
|
|
|
| 164 |
|
|
extern struct cmd_list_element *lookup_cmd_1 (char **,
|
| 165 |
|
|
struct cmd_list_element *,
|
| 166 |
|
|
struct cmd_list_element **,
|
| 167 |
|
|
int);
|
| 168 |
|
|
|
| 169 |
|
|
extern struct cmd_list_element *
|
| 170 |
|
|
deprecate_cmd (struct cmd_list_element *, char * );
|
| 171 |
|
|
|
| 172 |
|
|
extern void
|
| 173 |
|
|
deprecated_cmd_warning (char **);
|
| 174 |
|
|
|
| 175 |
|
|
extern int
|
| 176 |
|
|
lookup_cmd_composition (char *text,
|
| 177 |
|
|
struct cmd_list_element **alias,
|
| 178 |
|
|
struct cmd_list_element **prefix_cmd,
|
| 179 |
|
|
struct cmd_list_element **cmd);
|
| 180 |
|
|
|
| 181 |
|
|
extern struct cmd_list_element *add_com (char *, enum command_class,
|
| 182 |
|
|
void (*fun) (char *, int), char *);
|
| 183 |
|
|
|
| 184 |
|
|
extern struct cmd_list_element *add_com_alias (char *, char *,
|
| 185 |
|
|
enum command_class, int);
|
| 186 |
|
|
|
| 187 |
|
|
extern struct cmd_list_element *add_info (char *, void (*fun) (char *, int),
|
| 188 |
|
|
char *);
|
| 189 |
|
|
|
| 190 |
|
|
extern struct cmd_list_element *add_info_alias (char *, char *, int);
|
| 191 |
|
|
|
| 192 |
|
|
extern char **complete_on_cmdlist (struct cmd_list_element *, char *, char *);
|
| 193 |
|
|
|
| 194 |
|
|
extern char **complete_on_enum (const char *enumlist[], char *, char *);
|
| 195 |
|
|
|
| 196 |
|
|
extern void delete_cmd (char *, struct cmd_list_element **);
|
| 197 |
|
|
|
| 198 |
|
|
extern void help_cmd (char *, struct ui_file *);
|
| 199 |
|
|
|
| 200 |
|
|
extern void help_list (struct cmd_list_element *, char *,
|
| 201 |
|
|
enum command_class, struct ui_file *);
|
| 202 |
|
|
|
| 203 |
|
|
extern void help_cmd_list (struct cmd_list_element *, enum command_class,
|
| 204 |
|
|
char *, int, struct ui_file *);
|
| 205 |
|
|
|
| 206 |
|
|
/* NOTE: cagney/2005-02-21: Since every set command should be paired
|
| 207 |
|
|
with a corresponding show command (i.e., add_setshow_*) this call
|
| 208 |
|
|
should not be needed. Unfortunatly some are not (e.g.,
|
| 209 |
|
|
"maintenance <variable> <value>") and those need to be fixed. */
|
| 210 |
|
|
extern struct cmd_list_element *deprecated_add_set_cmd (char *name, enum
|
| 211 |
|
|
command_class class,
|
| 212 |
|
|
var_types var_type, void *var,
|
| 213 |
|
|
char *doc,
|
| 214 |
|
|
struct cmd_list_element **list);
|
| 215 |
|
|
|
| 216 |
|
|
/* Method for show a set/show variable's VALUE on FILE. If this
|
| 217 |
|
|
method isn't supplied deprecated_show_value_hack() is called (which
|
| 218 |
|
|
is not good). */
|
| 219 |
|
|
typedef void (show_value_ftype) (struct ui_file *file,
|
| 220 |
|
|
int from_tty,
|
| 221 |
|
|
struct cmd_list_element *cmd,
|
| 222 |
|
|
const char *value);
|
| 223 |
|
|
/* NOTE: i18n: This function is not i18n friendly. Callers should
|
| 224 |
|
|
instead print the value out directly. */
|
| 225 |
|
|
extern show_value_ftype deprecated_show_value_hack;
|
| 226 |
|
|
|
| 227 |
|
|
extern void add_setshow_enum_cmd (char *name,
|
| 228 |
|
|
enum command_class class,
|
| 229 |
|
|
const char *enumlist[],
|
| 230 |
|
|
const char **var,
|
| 231 |
|
|
const char *set_doc,
|
| 232 |
|
|
const char *show_doc,
|
| 233 |
|
|
const char *help_doc,
|
| 234 |
|
|
cmd_sfunc_ftype *set_func,
|
| 235 |
|
|
show_value_ftype *show_func,
|
| 236 |
|
|
struct cmd_list_element **set_list,
|
| 237 |
|
|
struct cmd_list_element **show_list);
|
| 238 |
|
|
|
| 239 |
|
|
extern void add_setshow_auto_boolean_cmd (char *name,
|
| 240 |
|
|
enum command_class class,
|
| 241 |
|
|
enum auto_boolean *var,
|
| 242 |
|
|
const char *set_doc,
|
| 243 |
|
|
const char *show_doc,
|
| 244 |
|
|
const char *help_doc,
|
| 245 |
|
|
cmd_sfunc_ftype *set_func,
|
| 246 |
|
|
show_value_ftype *show_func,
|
| 247 |
|
|
struct cmd_list_element **set_list,
|
| 248 |
|
|
struct cmd_list_element **show_list);
|
| 249 |
|
|
|
| 250 |
|
|
extern void add_setshow_boolean_cmd (char *name,
|
| 251 |
|
|
enum command_class class,
|
| 252 |
|
|
int *var,
|
| 253 |
|
|
const char *set_doc, const char *show_doc,
|
| 254 |
|
|
const char *help_doc,
|
| 255 |
|
|
cmd_sfunc_ftype *set_func,
|
| 256 |
|
|
show_value_ftype *show_func,
|
| 257 |
|
|
struct cmd_list_element **set_list,
|
| 258 |
|
|
struct cmd_list_element **show_list);
|
| 259 |
|
|
|
| 260 |
|
|
extern void add_setshow_filename_cmd (char *name,
|
| 261 |
|
|
enum command_class class,
|
| 262 |
|
|
char **var,
|
| 263 |
|
|
const char *set_doc,
|
| 264 |
|
|
const char *show_doc,
|
| 265 |
|
|
const char *help_doc,
|
| 266 |
|
|
cmd_sfunc_ftype *set_func,
|
| 267 |
|
|
show_value_ftype *show_func,
|
| 268 |
|
|
struct cmd_list_element **set_list,
|
| 269 |
|
|
struct cmd_list_element **show_list);
|
| 270 |
|
|
|
| 271 |
|
|
extern void add_setshow_string_cmd (char *name,
|
| 272 |
|
|
enum command_class class,
|
| 273 |
|
|
char **var,
|
| 274 |
|
|
const char *set_doc,
|
| 275 |
|
|
const char *show_doc,
|
| 276 |
|
|
const char *help_doc,
|
| 277 |
|
|
cmd_sfunc_ftype *set_func,
|
| 278 |
|
|
show_value_ftype *show_func,
|
| 279 |
|
|
struct cmd_list_element **set_list,
|
| 280 |
|
|
struct cmd_list_element **show_list);
|
| 281 |
|
|
|
| 282 |
|
|
extern void add_setshow_string_noescape_cmd (char *name,
|
| 283 |
|
|
enum command_class class,
|
| 284 |
|
|
char **var,
|
| 285 |
|
|
const char *set_doc,
|
| 286 |
|
|
const char *show_doc,
|
| 287 |
|
|
const char *help_doc,
|
| 288 |
|
|
cmd_sfunc_ftype *set_func,
|
| 289 |
|
|
show_value_ftype *show_func,
|
| 290 |
|
|
struct cmd_list_element **set_list,
|
| 291 |
|
|
struct cmd_list_element **show_list);
|
| 292 |
|
|
|
| 293 |
|
|
extern void add_setshow_optional_filename_cmd (char *name,
|
| 294 |
|
|
enum command_class class,
|
| 295 |
|
|
char **var,
|
| 296 |
|
|
const char *set_doc,
|
| 297 |
|
|
const char *show_doc,
|
| 298 |
|
|
const char *help_doc,
|
| 299 |
|
|
cmd_sfunc_ftype *set_func,
|
| 300 |
|
|
show_value_ftype *show_func,
|
| 301 |
|
|
struct cmd_list_element **set_list,
|
| 302 |
|
|
struct cmd_list_element **show_list);
|
| 303 |
|
|
|
| 304 |
|
|
extern void add_setshow_integer_cmd (char *name,
|
| 305 |
|
|
enum command_class class,
|
| 306 |
|
|
int *var,
|
| 307 |
|
|
const char *set_doc,
|
| 308 |
|
|
const char *show_doc,
|
| 309 |
|
|
const char *help_doc,
|
| 310 |
|
|
cmd_sfunc_ftype *set_func,
|
| 311 |
|
|
show_value_ftype *show_func,
|
| 312 |
|
|
struct cmd_list_element **set_list,
|
| 313 |
|
|
struct cmd_list_element **show_list);
|
| 314 |
|
|
|
| 315 |
|
|
extern void add_setshow_uinteger_cmd (char *name,
|
| 316 |
|
|
enum command_class class,
|
| 317 |
|
|
unsigned int *var,
|
| 318 |
|
|
const char *set_doc,
|
| 319 |
|
|
const char *show_doc,
|
| 320 |
|
|
const char *help_doc,
|
| 321 |
|
|
cmd_sfunc_ftype *set_func,
|
| 322 |
|
|
show_value_ftype *show_func,
|
| 323 |
|
|
struct cmd_list_element **set_list,
|
| 324 |
|
|
struct cmd_list_element **show_list);
|
| 325 |
|
|
|
| 326 |
|
|
extern void add_setshow_zinteger_cmd (char *name,
|
| 327 |
|
|
enum command_class class,
|
| 328 |
|
|
int *var,
|
| 329 |
|
|
const char *set_doc,
|
| 330 |
|
|
const char *show_doc,
|
| 331 |
|
|
const char *help_doc,
|
| 332 |
|
|
cmd_sfunc_ftype *set_func,
|
| 333 |
|
|
show_value_ftype *show_func,
|
| 334 |
|
|
struct cmd_list_element **set_list,
|
| 335 |
|
|
struct cmd_list_element **show_list);
|
| 336 |
|
|
|
| 337 |
|
|
/* Do a "show" command for each thing on a command list. */
|
| 338 |
|
|
|
| 339 |
|
|
extern void cmd_show_list (struct cmd_list_element *, int, char *);
|
| 340 |
|
|
|
| 341 |
|
|
extern NORETURN void error_no_arg (char *) ATTR_NORETURN;
|
| 342 |
|
|
|
| 343 |
|
|
extern void dont_repeat (void);
|
| 344 |
|
|
|
| 345 |
|
|
/* Used to mark commands that don't do anything. If we just leave the
|
| 346 |
|
|
function field NULL, the command is interpreted as a help topic, or
|
| 347 |
|
|
as a class of commands. */
|
| 348 |
|
|
|
| 349 |
|
|
extern void not_just_help_class_command (char *, int);
|
| 350 |
|
|
|
| 351 |
|
|
/* check function pointer */
|
| 352 |
|
|
extern int cmd_func_p (struct cmd_list_element *cmd);
|
| 353 |
|
|
|
| 354 |
|
|
/* call the command function */
|
| 355 |
|
|
extern void cmd_func (struct cmd_list_element *cmd, char *args, int from_tty);
|
| 356 |
|
|
|
| 357 |
|
|
#endif /* !defined (COMMAND_H) */
|
