-struct cmd_list_element
- {
- /* Points to next command in this list. */
- struct cmd_list_element *next;
-
- /* Name of this command. */
- char *name;
-
- /* Command class; class values are chosen by application program. */
- enum command_class class;
-
- /* Function definition of this command.
- NO_FUNCTION for command class names and for help topics that
- are not really commands. */
- union
- {
- /* If type is not_set_cmd, call it like this: */
- void (*cfunc) PARAMS ((char *args, int from_tty));
-
- /* If type is cmd_set or show_cmd, first set the variables, and
- then call this. */
- void (*sfunc) PARAMS ((char *args, int from_tty,
- struct cmd_list_element * c));
- }
- function;
-#define NO_FUNCTION ((void (*) PARAMS((char *args, int from_tty))) 0)
-
- /* Documentation of this command (or help topic).
- First line is brief documentation; remaining lines form, with it,
- the full documentation. First line should end with a period.
- Entire string should also end with a period, not a newline. */
- char *doc;
-
- /* flags : a bitfield
-
- bit 0: (LSB) CMD_DEPRECATED, when 1 indicated that this command
- is deprecated. It may be removed from gdb's command set in the
- future.
-
- bit 1: DEPRECATED_WARN_USER, the user needs to be warned that
- this is a deprecated command. The user should only be warned
- the first time a command is used.
-
- bit 2: MALLOCED_REPLACEMENT, when functions are deprecated at
- compile time (this is the way it should, in general, be done)
- the memory comtaining the replacement string is statically
- allocated. In some cases it makes sense to deprecate commands
- at runtime (the testsuite is one example). In this case the
- memory for replacement is malloc'ed. When a command is
- undeprecated or re-deprecated at runtime we don't want to risk
- calling free on statically allocated memory, so we check this
- flag.
- */
- int flags;
-
- /* if this command is deprecated, this is the replacement name */
- char *replacement;
-
- /* Hook for another command to be executed before this command. */
- struct cmd_list_element *hook;
-
- /* Nonzero identifies a prefix command. For them, the address
- of the variable containing the list of subcommands. */
- struct cmd_list_element **prefixlist;
-
- /* For prefix commands only:
- String containing prefix commands to get here: this one
- plus any others needed to get to it. Should end in a space.
- It is used before the word "command" in describing the
- commands reached through this prefix. */
- char *prefixname;
-
- /* For prefix commands only:
- nonzero means do not get an error if subcommand is not
- recognized; call the prefix's own function in that case. */
- char allow_unknown;
-
- /* Nonzero says this is an abbreviation, and should not
- be mentioned in lists of commands.
- This allows "br<tab>" to complete to "break", which it
- otherwise wouldn't. */
- char abbrev_flag;
-
- /* Completion routine for this command. TEXT is the text beyond
- what was matched for the command itself (leading whitespace is
- skipped). It stops where we are supposed to stop completing
- (rl_point) and is '\0' terminated.
-
- Return value is a malloc'd vector of pointers to possible completions
- terminated with NULL. If there are no completions, returning a pointer
- to a NULL would work but returning NULL itself is also valid.
- WORD points in the same buffer as TEXT, and completions should be
- returned relative to this position. For example, suppose TEXT is "foo"
- and we want to complete to "foobar". If WORD is "oo", return
- "oobar"; if WORD is "baz/foo", return "baz/foobar". */
- char **(*completer) PARAMS ((char *text, char *word));
-
- /* Type of "set" or "show" command (or SET_NOT_SET if not "set"
- or "show"). */
- cmd_types type;
-
- /* Pointer to variable affected by "set" and "show". Doesn't matter
- if type is not_set. */
- char *var;
-
- /* What kind of variable is *VAR? */
- var_types var_type;
-
- /* Pointer to NULL terminated list of enumerated values (like argv). */
- char **enums;
-
- /* Pointer to command strings of user-defined commands */
- struct command_line *user_commands;
-
- /* Pointer to command that is hooked by this one,
- so the hook can be removed when this one is deleted. */
- struct cmd_list_element *hookee;
-
- /* Pointer to command that is aliased by this one, so the
- aliased command can be located in case it has been hooked. */
- struct cmd_list_element *cmd_pointer;
- };
-
-/* Forward-declarations of the entry-points of command.c. */
-
-extern struct cmd_list_element *
- add_cmd PARAMS ((char *, enum command_class, void (*fun) (char *, int),
- char *, struct cmd_list_element **));
-
-extern struct cmd_list_element *
- add_alias_cmd PARAMS ((char *, char *, enum command_class, int,
- struct cmd_list_element **));
-
-extern struct cmd_list_element *
- add_prefix_cmd PARAMS ((char *, enum command_class, void (*fun) (char *, int),
- char *, struct cmd_list_element **, char *, int,
- struct cmd_list_element **));
-
-extern struct cmd_list_element *
- add_abbrev_prefix_cmd PARAMS ((char *, enum command_class,
- void (*fun) (char *, int), char *,
- struct cmd_list_element **, char *, int,
- struct cmd_list_element **));
-
-extern struct cmd_list_element *
- lookup_cmd PARAMS ((char **, struct cmd_list_element *, char *, int, int));
-
-extern struct cmd_list_element *
- lookup_cmd_1 PARAMS ((char **, struct cmd_list_element *,
- struct cmd_list_element **, int));
-
-extern struct cmd_list_element *
- deprecate_cmd (struct cmd_list_element *, char * );