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c25c4a8b0e
* cli/cli-cmds.h (error_no_arg): Remove. Move the comment ... * command.h (error_no_arg): ... here. Remove NORETURN, change ATTR_NORETURN to ATTRIBUTE_NORETURN. * defs.h (NORETURN, ATTR_NORETURN): Remove. (perror_with_name, verror, error, error_stream, vfatal, fatal) (internal_verror, internal_error, nomem): Remove NORETURN, change ATTR_NORETURN to ATTRIBUTE_NORETURN. * exceptions.c (throw_exception, deprecated_throw_reason, throw_verror) (throw_vfatal, throw_error): Remove NORETURN. (throw_it): Remove NORETURN, change ATTR_NORETURN to ATTRIBUTE_NORETURN. * exceptions.h (throw_exception, throw_verror, throw_vfatal) (throw_error, deprecated_throw_reason): Remove NORETURN, change ATTR_NORETURN to ATTRIBUTE_NORETURN. * linespec.c (cplusplus_error): Remove NORETURN, change ATTR_NORETURN to ATTRIBUTE_NORETURN for prototype, for the definition only remove NORETURN. * remote-mips.c (mips_error): Change NORETURN to ATTRIBUTE_NORETURN. * remote-sim.c (gdb_os_error): Change ATTR_NORETURN to ATTRIBUTE_NORETURN. * target.c (tcomplain): Likewise. * target.h (noprocess): Remove NORETURN, change ATTR_NORETURN to ATTRIBUTE_NORETURN. * utils.c (verror, error, vfatal, fatal, error_stream, internal_verror) (internal_error, perror_with_name, nomem): Remove NORETURN. * xml-support.h (gdb_xml_error): Change ATTR_NORETURN to ATTRIBUTE_NORETURN. gdb/doc/ * gdbint.texinfo (Host Definition): Remove items NORETURN and ATTR_NORETURN.
364 lines
13 KiB
C
364 lines
13 KiB
C
/* Header file for command-reading library command.c.
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Copyright (C) 1986, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1999, 2000,
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2002, 2004, 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>. */
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#if !defined (COMMAND_H)
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#define COMMAND_H 1
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/* Command classes are top-level categories into which commands are broken
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down for "help" purposes.
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Notes on classes: class_alias is for alias commands which are not
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abbreviations of the original command. class-pseudo is for
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commands which are not really commands nor help topics ("stop"). */
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enum command_class
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{
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/* Special args to help_list */
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class_deprecated = -3, all_classes = -2, all_commands = -1,
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/* Classes of commands */
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no_class = -1, class_run = 0, class_vars, class_stack,
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class_files, class_support, class_info, class_breakpoint, class_trace,
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class_alias, class_bookmark, class_obscure, class_maintenance,
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class_pseudo, class_tui, class_user, class_xdb
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};
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/* FIXME: cagney/2002-03-17: Once cmd_type() has been removed, ``enum
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cmd_types'' can be moved from "command.h" to "cli-decode.h". */
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/* Not a set/show command. Note that some commands which begin with
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"set" or "show" might be in this category, if their syntax does
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not fall into one of the following categories. */
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typedef enum cmd_types
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{
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not_set_cmd,
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set_cmd,
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show_cmd
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}
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cmd_types;
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/* Types of "set" or "show" command. */
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typedef enum var_types
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{
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/* "on" or "off". *VAR is an integer which is nonzero for on,
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zero for off. */
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var_boolean,
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/* "on" / "true" / "enable" or "off" / "false" / "disable" or
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"auto. *VAR is an ``enum auto_boolean''. NOTE: In general a
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custom show command will need to be implemented - one that for
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"auto" prints both the "auto" and the current auto-selected
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value. */
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var_auto_boolean,
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/* Unsigned Integer. *VAR is an unsigned int. The user can type 0
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to mean "unlimited", which is stored in *VAR as UINT_MAX. */
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var_uinteger,
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/* Like var_uinteger but signed. *VAR is an int. The user can type 0
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to mean "unlimited", which is stored in *VAR as INT_MAX. */
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var_integer,
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/* String which the user enters with escapes (e.g. the user types \n and
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it is a real newline in the stored string).
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*VAR is a malloc'd string, or NULL if the string is empty. */
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var_string,
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/* String which stores what the user types verbatim.
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*VAR is a malloc'd string, or NULL if the string is empty. */
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var_string_noescape,
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/* String which stores a filename. (*VAR) is a malloc'd string,
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or "" if the string was empty. */
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var_optional_filename,
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/* String which stores a filename. (*VAR) is a malloc'd
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string. */
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var_filename,
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/* ZeroableInteger. *VAR is an int. Like Unsigned Integer except
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that zero really means zero. */
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var_zinteger,
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/* ZeroableUnsignedInteger. *VAR is an unsigned int. Zero really
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means zero. */
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var_zuinteger,
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/* Enumerated type. Can only have one of the specified values. *VAR is a
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char pointer to the name of the element that we find. */
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var_enum
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}
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var_types;
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/* This structure records one command'd definition. */
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struct cmd_list_element;
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/* Forward-declarations of the entry-points of cli/cli-decode.c. */
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extern struct cmd_list_element *add_cmd (char *, enum command_class,
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void (*fun) (char *, int), char *,
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struct cmd_list_element **);
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extern struct cmd_list_element *add_alias_cmd (char *, char *,
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enum command_class, int,
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struct cmd_list_element **);
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extern struct cmd_list_element *add_prefix_cmd (char *, enum command_class,
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void (*fun) (char *, int),
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char *,
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struct cmd_list_element **,
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char *, int,
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struct cmd_list_element **);
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extern struct cmd_list_element *add_abbrev_prefix_cmd (char *,
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enum command_class,
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void (*fun) (char *,
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int),
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char *,
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struct cmd_list_element
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**, char *, int,
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struct cmd_list_element
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**);
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/* Set the commands corresponding callback. */
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typedef void cmd_cfunc_ftype (char *args, int from_tty);
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extern void set_cmd_cfunc (struct cmd_list_element *cmd,
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cmd_cfunc_ftype *cfunc);
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typedef void cmd_sfunc_ftype (char *args, int from_tty,
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struct cmd_list_element *c);
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extern void set_cmd_sfunc (struct cmd_list_element *cmd,
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cmd_sfunc_ftype *sfunc);
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extern void set_cmd_completer (struct cmd_list_element *cmd,
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char **(*completer) (struct cmd_list_element *cmd,
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char *text, char *word));
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/* HACK: cagney/2002-02-23: Code, mostly in tracepoints.c, grubs
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around in cmd objects to test the value of the commands sfunc(). */
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extern int cmd_cfunc_eq (struct cmd_list_element *cmd,
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void (*cfunc) (char *args, int from_tty));
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/* Each command object has a local context attached to it. . */
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extern void set_cmd_context (struct cmd_list_element *cmd, void *context);
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extern void *get_cmd_context (struct cmd_list_element *cmd);
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/* Execute CMD's pre/post hook. Throw an error if the command fails.
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If already executing this pre/post hook, or there is no pre/post
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hook, the call is silently ignored. */
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extern void execute_cmd_pre_hook (struct cmd_list_element *cmd);
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extern void execute_cmd_post_hook (struct cmd_list_element *cmd);
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/* Return the type of the command. */
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extern enum cmd_types cmd_type (struct cmd_list_element *cmd);
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extern struct cmd_list_element *lookup_cmd (char **,
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struct cmd_list_element *, char *,
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int, int);
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extern struct cmd_list_element *lookup_cmd_1 (char **,
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struct cmd_list_element *,
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struct cmd_list_element **,
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int);
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extern struct cmd_list_element *
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deprecate_cmd (struct cmd_list_element *, char * );
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extern void
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deprecated_cmd_warning (char **);
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extern int
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lookup_cmd_composition (char *text,
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struct cmd_list_element **alias,
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struct cmd_list_element **prefix_cmd,
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struct cmd_list_element **cmd);
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extern struct cmd_list_element *add_com (char *, enum command_class,
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void (*fun) (char *, int), char *);
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extern struct cmd_list_element *add_com_alias (char *, char *,
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enum command_class, int);
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extern struct cmd_list_element *add_info (char *, void (*fun) (char *, int),
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char *);
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extern struct cmd_list_element *add_info_alias (char *, char *, int);
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extern char **complete_on_cmdlist (struct cmd_list_element *, char *, char *);
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extern char **complete_on_enum (const char *enumlist[], char *, char *);
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extern void help_cmd (char *, struct ui_file *);
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extern void help_list (struct cmd_list_element *, char *,
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enum command_class, struct ui_file *);
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extern void help_cmd_list (struct cmd_list_element *, enum command_class,
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char *, int, struct ui_file *);
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/* Method for show a set/show variable's VALUE on FILE. If this
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method isn't supplied deprecated_show_value_hack() is called (which
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is not good). */
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typedef void (show_value_ftype) (struct ui_file *file,
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int from_tty,
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struct cmd_list_element *cmd,
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const char *value);
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/* NOTE: i18n: This function is not i18n friendly. Callers should
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instead print the value out directly. */
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extern show_value_ftype deprecated_show_value_hack;
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extern void add_setshow_enum_cmd (char *name,
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enum command_class class,
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const char *enumlist[],
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const char **var,
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const char *set_doc,
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const char *show_doc,
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const char *help_doc,
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cmd_sfunc_ftype *set_func,
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show_value_ftype *show_func,
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struct cmd_list_element **set_list,
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struct cmd_list_element **show_list);
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extern void add_setshow_auto_boolean_cmd (char *name,
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enum command_class class,
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enum auto_boolean *var,
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const char *set_doc,
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const char *show_doc,
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const char *help_doc,
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cmd_sfunc_ftype *set_func,
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show_value_ftype *show_func,
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struct cmd_list_element **set_list,
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struct cmd_list_element **show_list);
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extern void add_setshow_boolean_cmd (char *name,
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enum command_class class,
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int *var,
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const char *set_doc, const char *show_doc,
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const char *help_doc,
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cmd_sfunc_ftype *set_func,
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show_value_ftype *show_func,
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struct cmd_list_element **set_list,
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struct cmd_list_element **show_list);
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extern void add_setshow_filename_cmd (char *name,
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enum command_class class,
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char **var,
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const char *set_doc,
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const char *show_doc,
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const char *help_doc,
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cmd_sfunc_ftype *set_func,
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show_value_ftype *show_func,
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struct cmd_list_element **set_list,
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struct cmd_list_element **show_list);
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extern void add_setshow_string_cmd (char *name,
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enum command_class class,
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char **var,
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const char *set_doc,
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const char *show_doc,
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const char *help_doc,
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cmd_sfunc_ftype *set_func,
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show_value_ftype *show_func,
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struct cmd_list_element **set_list,
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struct cmd_list_element **show_list);
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extern void add_setshow_string_noescape_cmd (char *name,
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enum command_class class,
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char **var,
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const char *set_doc,
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const char *show_doc,
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const char *help_doc,
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cmd_sfunc_ftype *set_func,
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show_value_ftype *show_func,
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struct cmd_list_element **set_list,
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struct cmd_list_element **show_list);
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extern void add_setshow_optional_filename_cmd (char *name,
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enum command_class class,
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char **var,
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const char *set_doc,
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const char *show_doc,
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const char *help_doc,
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cmd_sfunc_ftype *set_func,
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show_value_ftype *show_func,
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struct cmd_list_element **set_list,
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struct cmd_list_element **show_list);
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extern void add_setshow_integer_cmd (char *name,
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enum command_class class,
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int *var,
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const char *set_doc,
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const char *show_doc,
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const char *help_doc,
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cmd_sfunc_ftype *set_func,
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show_value_ftype *show_func,
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struct cmd_list_element **set_list,
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struct cmd_list_element **show_list);
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extern void add_setshow_uinteger_cmd (char *name,
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enum command_class class,
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unsigned int *var,
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const char *set_doc,
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const char *show_doc,
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const char *help_doc,
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cmd_sfunc_ftype *set_func,
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show_value_ftype *show_func,
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struct cmd_list_element **set_list,
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struct cmd_list_element **show_list);
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extern void add_setshow_zinteger_cmd (char *name,
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enum command_class class,
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int *var,
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const char *set_doc,
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const char *show_doc,
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const char *help_doc,
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cmd_sfunc_ftype *set_func,
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show_value_ftype *show_func,
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struct cmd_list_element **set_list,
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struct cmd_list_element **show_list);
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extern void add_setshow_zuinteger_cmd (char *name,
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enum command_class class,
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unsigned int *var,
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const char *set_doc,
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const char *show_doc,
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const char *help_doc,
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cmd_sfunc_ftype *set_func,
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show_value_ftype *show_func,
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struct cmd_list_element **set_list,
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struct cmd_list_element **show_list);
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/* Do a "show" command for each thing on a command list. */
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extern void cmd_show_list (struct cmd_list_element *, int, char *);
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/* Used everywhere whenever at least one parameter is required and
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none is specified. */
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extern void error_no_arg (char *) ATTRIBUTE_NORETURN;
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extern void dont_repeat (void);
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/* Used to mark commands that don't do anything. If we just leave the
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function field NULL, the command is interpreted as a help topic, or
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as a class of commands. */
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extern void not_just_help_class_command (char *, int);
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/* check function pointer */
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extern int cmd_func_p (struct cmd_list_element *cmd);
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/* call the command function */
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extern void cmd_func (struct cmd_list_element *cmd, char *args, int from_tty);
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#endif /* !defined (COMMAND_H) */
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