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2000-03-23 Fernando Nasser <fnasser@cygnus.com>

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From David Whedon <dwhedon@gordian.com>

	* top.c (execute_command): Checks all commands beore executing
	to see if the user needs to be warned that the command is
	deprecated, warns user if appropriate.
	(add_info), (add_info_alias), (add_com) , (add_com_alias): Changed
	return values from void to struct cmd_list_element *.
	* command.c (lookup_cmd_1): Check aliases before following link
	in case user needs to be warned about a deprecated alias.
	(deprecate_cmd): new exported function for command deprecation,
	sets flags and posibly a replacement string.
	(deprecated_cmd_warning): New exported funciton to warn user about
	a deprecated command.
	(lookup_cmd_composition): New exported function that determines
	alias, prefix_command, and cmd based on a string.  This is useful
	is we want to full name of a command.
	* command.h : Added prototypes for deprecate_cmd,
	deprecated_warn_user and lookup_cmd_composition, added flags to
	the cmd_list_element structure, changed return values for
	add_com_* and add_info_* from void to cmd_list_element.
	* maint.c : (maintenance_deprecate): New function to deprecate a
	command.  This exists only so that the testsuite can deprecate
	commands at runtime and check the warning behavior.
	(maintenance_undeprecate) : New function, drops deprecated flags.
	(maintenance_do_deprecate): Actually does the (un)deprecation.
	(initialize_maint_cmds): Added the above new deprecate commands.
This commit is contained in:
Fernando Nasser
2000-03-23 23:43:19 +00:00
parent 4fb431855b
commit 5638284566
5 changed files with 474 additions and 28 deletions
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25
gdb/top.c
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@@ -1474,6 +1474,7 @@ execute_command (p, from_tty)
register struct cmd_list_element *c;
register enum language flang;
static int warned = 0;
char *line;
/* FIXME: These should really be in an appropriate header file */
extern void serial_log_command PARAMS ((const char *));
@@ -1494,7 +1495,8 @@ execute_command (p, from_tty)
if (*p)
{
char *arg;
line = p;
c = lookup_cmd (&p, cmdlist, "", 0, 1);
/* If the target is running, we allow only a limited set of
@@ -1517,11 +1519,14 @@ execute_command (p, from_tty)
p--;
*(p + 1) = '\0';
}
/* If this command has been hooked, run the hook first. */
if (c->hook)
execute_user_command (c->hook, (char *) 0);
if (c->flags & DEPRECATED_WARN_USER)
deprecated_cmd_warning (&line);
if (c->class == class_user)
execute_user_command (c, arg);
else if (c->type == set_cmd || c->type == show_cmd)
@@ -2892,24 +2897,24 @@ free_command_lines (lptr)
/* Add an element to the list of info subcommands. */
void
struct cmd_list_element *
add_info (name, fun, doc)
char *name;
void (*fun) PARAMS ((char *, int));
char *doc;
{
add_cmd (name, no_class, fun, doc, &infolist);
return add_cmd (name, no_class, fun, doc, &infolist);
}
/* Add an alias to the list of info subcommands. */
void
struct cmd_list_element *
add_info_alias (name, oldname, abbrev_flag)
char *name;
char *oldname;
int abbrev_flag;
{
add_alias_cmd (name, oldname, 0, abbrev_flag, &infolist);
return add_alias_cmd (name, oldname, 0, abbrev_flag, &infolist);
}
/* The "info" command is defined as a prefix, with allow_unknown = 0.
@@ -2965,26 +2970,26 @@ show_command (arg, from_tty)
/* Add an element to the list of commands. */
void
struct cmd_list_element *
add_com (name, class, fun, doc)
char *name;
enum command_class class;
void (*fun) PARAMS ((char *, int));
char *doc;
{
add_cmd (name, class, fun, doc, &cmdlist);
return add_cmd (name, class, fun, doc, &cmdlist);
}
/* Add an alias or abbreviation command to the list of commands. */
void
struct cmd_list_element *
add_com_alias (name, oldname, class, abbrev_flag)
char *name;
char *oldname;
enum command_class class;
int abbrev_flag;
{
add_alias_cmd (name, oldname, class, abbrev_flag, &cmdlist);
return add_alias_cmd (name, oldname, class, abbrev_flag, &cmdlist);
}
void