no_class = -1, class_run = 0, class_vars, class_stack,
class_files, class_support, class_info, class_breakpoint, class_trace,
class_alias, class_obscure, class_user, class_maintenance,
- class_pseudo, class_tui, class_xdb,
+ class_pseudo, class_tui, class_xdb
};
/* Not a set/show command. Note that some commands which begin with
/* This structure records one command'd definition. */
+
+/* This flag is used by the code executing commands to warn the user
+ the first time a deprecated command is used, see the 'flags' field in
+ the following struct.
+*/
+#define CMD_DEPRECATED 0x1
+#define DEPRECATED_WARN_USER 0x2
+#define MALLOCED_REPLACEMENT 0x4
+
struct cmd_list_element
{
/* Points to next command in this list. */
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 containing 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;
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 * );
+
extern void
-add_com PARAMS ((char *, enum command_class, void (*fun) (char *, int),
+ deprecated_cmd_warning (char **);
+
+extern int
+ lookup_cmd_composition (char *text,
+ struct cmd_list_element **alias,
+ struct cmd_list_element **prefix_cmd,
+ struct cmd_list_element **cmd);
+
+extern struct cmd_list_element *
+ add_com PARAMS ((char *, enum command_class, void (*fun) (char *, int),
char *));
-extern void
-add_com_alias PARAMS ((char *, char *, enum command_class, int));
+extern struct cmd_list_element *
+ add_com_alias PARAMS ((char *, char *, enum command_class, int));
-extern void
-add_info PARAMS ((char *, void (*fun) (char *, int), char *));
+extern struct cmd_list_element *
+ add_info PARAMS ((char *, void (*fun) (char *, int), char *));
-extern void
-add_info_alias PARAMS ((char *, char *, int));
+extern struct cmd_list_element *
+ add_info_alias PARAMS ((char *, char *, int));
extern char **
complete_on_cmdlist PARAMS ((struct cmd_list_element *, char *, char *));