/* Header file for command creation.
- Copyright (C) 1986-2017 Free Software Foundation, Inc.
+ Copyright (C) 1986-2019 Free Software Foundation, Inc.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
#if !defined (COMMAND_H)
#define COMMAND_H 1
-#include "gdb_vecs.h"
-#include "common/scoped_restore.h"
+#include "gdbsupport/gdb_vecs.h"
+#include "gdbsupport/scoped_restore.h"
struct completion_tracker;
/* This structure records one command'd definition. */
struct cmd_list_element;
-typedef void cmd_cfunc_ftype (char *args, int from_tty);
typedef void cmd_const_cfunc_ftype (const char *args, int from_tty);
/* This structure specifies notifications to be suppressed by a cli
/* API to the manipulation of command lists. */
-extern int valid_user_defined_cmd_name_p (const char *name);
-
-extern struct cmd_list_element *add_cmd (const char *, enum command_class,
- cmd_cfunc_ftype *fun,
- const char *,
- struct cmd_list_element **);
+extern bool valid_user_defined_cmd_name_p (const char *name);
/* Const-correct variant of the above. */
const char *,
struct cmd_list_element **);
+extern struct cmd_list_element *add_cmd_suppress_notification
+ (const char *name, enum command_class theclass,
+ cmd_const_cfunc_ftype *fun, const char *doc,
+ struct cmd_list_element **list,
+ int *suppress_notification);
+
extern struct cmd_list_element *add_alias_cmd (const char *, const char *,
enum command_class, int,
struct cmd_list_element **);
extern struct cmd_list_element *add_prefix_cmd (const char *, enum command_class,
- cmd_cfunc_ftype *fun,
+ cmd_const_cfunc_ftype *fun,
const char *,
struct cmd_list_element **,
const char *, int,
struct cmd_list_element **);
+extern struct cmd_list_element *add_prefix_cmd_suppress_notification
+ (const char *name, enum command_class theclass,
+ cmd_const_cfunc_ftype *fun,
+ const char *doc, struct cmd_list_element **prefixlist,
+ const char *prefixname, int allow_unknown,
+ struct cmd_list_element **list,
+ int *suppress_notification);
+
extern struct cmd_list_element *add_abbrev_prefix_cmd (const char *,
enum command_class,
- cmd_cfunc_ftype *fun,
+ cmd_const_cfunc_ftype *fun,
const char *,
struct cmd_list_element
**, const char *, int,
struct cmd_list_element
**);
-/* Set the commands corresponding callback. */
-
-extern void set_cmd_cfunc (struct cmd_list_element *cmd,
- cmd_cfunc_ftype *cfunc);
-
-/* Const-correct variant of the above. */
-
-extern void set_cmd_cfunc (struct cmd_list_element *cmd,
- cmd_const_cfunc_ftype *cfunc);
-
-typedef void cmd_sfunc_ftype (char *args, int from_tty,
- struct cmd_list_element *c);
+typedef void cmd_const_sfunc_ftype (const char *args, int from_tty,
+ struct cmd_list_element *c);
extern void set_cmd_sfunc (struct cmd_list_element *cmd,
- cmd_sfunc_ftype *sfunc);
+ cmd_const_sfunc_ftype *sfunc);
/* A completion routine. Add possible completions to tracker.
/* HACK: cagney/2002-02-23: Code, mostly in tracepoints.c, grubs
around in cmd objects to test the value of the commands sfunc(). */
extern int cmd_cfunc_eq (struct cmd_list_element *cmd,
- cmd_cfunc_ftype *cfun);
-extern int cmd_cfunc_eq (struct cmd_list_element *cmd,
cmd_const_cfunc_ftype *cfun);
/* Each command object has a local context attached to it. */
struct cmd_list_element **cmd);
extern struct cmd_list_element *add_com (const char *, enum command_class,
- cmd_cfunc_ftype *fun,
+ cmd_const_cfunc_ftype *fun,
const char *);
extern struct cmd_list_element *add_com_alias (const char *, const char *,
extern struct cmd_list_element *add_com_suppress_notification
(const char *name, enum command_class theclass,
- cmd_cfunc_ftype *fun, const char *doc,
+ cmd_const_cfunc_ftype *fun, const char *doc,
int *supress_notification);
extern struct cmd_list_element *add_info (const char *,
- cmd_cfunc_ftype *fun,
+ cmd_const_cfunc_ftype *fun,
const char *);
extern struct cmd_list_element *add_info_alias (const char *, const char *,
const char *set_doc,
const char *show_doc,
const char *help_doc,
- cmd_sfunc_ftype *set_func,
+ cmd_const_sfunc_ftype *set_func,
show_value_ftype *show_func,
struct cmd_list_element **set_list,
- struct cmd_list_element **show_list);
+ struct cmd_list_element **show_list,
+ void *context = nullptr);
extern void add_setshow_auto_boolean_cmd (const char *name,
enum command_class theclass,
const char *set_doc,
const char *show_doc,
const char *help_doc,
- cmd_sfunc_ftype *set_func,
+ cmd_const_sfunc_ftype *set_func,
show_value_ftype *show_func,
struct cmd_list_element **set_list,
struct cmd_list_element **show_list);
-extern void add_setshow_boolean_cmd (const char *name,
- enum command_class theclass,
- int *var,
- const char *set_doc, const char *show_doc,
- const char *help_doc,
- cmd_sfunc_ftype *set_func,
- show_value_ftype *show_func,
- struct cmd_list_element **set_list,
- struct cmd_list_element **show_list);
+extern cmd_list_element *
+ add_setshow_boolean_cmd (const char *name,
+ enum command_class theclass,
+ int *var,
+ const char *set_doc, const char *show_doc,
+ const char *help_doc,
+ cmd_const_sfunc_ftype *set_func,
+ show_value_ftype *show_func,
+ struct cmd_list_element **set_list,
+ struct cmd_list_element **show_list);
extern void add_setshow_filename_cmd (const char *name,
enum command_class theclass,
const char *set_doc,
const char *show_doc,
const char *help_doc,
- cmd_sfunc_ftype *set_func,
+ cmd_const_sfunc_ftype *set_func,
show_value_ftype *show_func,
struct cmd_list_element **set_list,
struct cmd_list_element **show_list);
const char *set_doc,
const char *show_doc,
const char *help_doc,
- cmd_sfunc_ftype *set_func,
+ cmd_const_sfunc_ftype *set_func,
show_value_ftype *show_func,
struct cmd_list_element **set_list,
struct cmd_list_element **show_list);
const char *set_doc,
const char *show_doc,
const char *help_doc,
- cmd_sfunc_ftype *set_func,
+ cmd_const_sfunc_ftype *set_func,
show_value_ftype *show_func,
struct cmd_list_element **set_list,
struct cmd_list_element **show_list);
const char *set_doc,
const char *show_doc,
const char *help_doc,
- cmd_sfunc_ftype *set_func,
+ cmd_const_sfunc_ftype *set_func,
show_value_ftype *show_func,
struct cmd_list_element **set_list,
struct cmd_list_element **show_list);
const char *set_doc,
const char *show_doc,
const char *help_doc,
- cmd_sfunc_ftype *set_func,
+ cmd_const_sfunc_ftype *set_func,
show_value_ftype *show_func,
struct cmd_list_element **set_list,
struct cmd_list_element **show_list);
const char *set_doc,
const char *show_doc,
const char *help_doc,
- cmd_sfunc_ftype *set_func,
+ cmd_const_sfunc_ftype *set_func,
show_value_ftype *show_func,
struct cmd_list_element **set_list,
struct cmd_list_element **show_list);
const char *set_doc,
const char *show_doc,
const char *help_doc,
- cmd_sfunc_ftype *set_func,
+ cmd_const_sfunc_ftype *set_func,
show_value_ftype *show_func,
struct cmd_list_element **set_list,
struct cmd_list_element **show_list);
const char *set_doc,
const char *show_doc,
const char *help_doc,
- cmd_sfunc_ftype *set_func,
+ cmd_const_sfunc_ftype *set_func,
show_value_ftype *show_func,
struct cmd_list_element **set_list,
struct cmd_list_element **show_list);
const char *set_doc,
const char *show_doc,
const char *help_doc,
- cmd_sfunc_ftype *set_func,
+ cmd_const_sfunc_ftype *set_func,
show_value_ftype *show_func,
struct cmd_list_element **set_list,
struct cmd_list_element **show_list);
extern void error_no_arg (const char *) ATTRIBUTE_NORETURN;
-extern void dont_repeat (void);
+
+/* Command line saving and repetition.
+ Each input line executed is saved to possibly be repeated either
+ when the user types an empty line, or be repeated by a command
+ that wants to repeat the previously executed command. The below
+ functions control command repetition. */
+
+/* Commands call dont_repeat if they do not want to be repeated by null
+ lines or by repeat_previous (). */
+
+extern void dont_repeat ();
+
+/* Commands call repeat_previous if they want to repeat the previous
+ command. Such commands that repeat the previous command must
+ indicate to not repeat themselves, to avoid recursive repeat.
+ repeat_previous marks the current command as not repeating, and
+ ensures get_saved_command_line returns the previous command, so
+ that the currently executing command can repeat it. If there's no
+ previous command, throws an error. Otherwise, returns the result
+ of get_saved_command_line, which now points at the command to
+ repeat. */
+
+extern const char *repeat_previous ();
+
+/* Prevent dont_repeat from working, and return a cleanup that
+ restores the previous state. */
extern scoped_restore_tmpl<int> prevent_dont_repeat (void);
+/* Set the arguments that will be passed if the current command is
+ repeated. Note that the passed-in string must be a constant. */
+
+extern void set_repeat_arguments (const char *args);
+
+/* Returns the saved command line to repeat.
+ When a command is being executed, this is the currently executing
+ command line, unless the currently executing command has called
+ repeat_previous (): in this case, get_saved_command_line returns
+ the previously saved command line. */
+
+extern char *get_saved_command_line ();
+
+/* Takes a copy of CMD, for possible repetition. */
+
+extern void save_command_line (const char *cmd);
+
/* Used to mark commands that don't do anything. If we just leave the
function field NULL, the command is interpreted as a help topic, or
as a class of commands. */
-extern void not_just_help_class_command (char *, int);
+extern void not_just_help_class_command (const char *, int);
/* Check function pointer. */
extern int cmd_func_p (struct cmd_list_element *cmd);
/* Call the command function. */
extern void cmd_func (struct cmd_list_element *cmd,
- char *args, int from_tty);
+ const char *args, int from_tty);
#endif /* !defined (COMMAND_H) */