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[/] [openrisc/] [trunk/] [gnu-src/] [gdb-7.1/] [gdb/] [command.h] - Rev 559
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/* Header file for command-reading library command.c. Copyright (C) 1986, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1999, 2000, 2002, 2004, 2007, 2008, 2009, 2010 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 the Free Software Foundation; either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see <http://www.gnu.org/licenses/>. */ #if !defined (COMMAND_H) #define COMMAND_H 1 /* Command classes are top-level categories into which commands are broken down for "help" purposes. Notes on classes: class_alias is for alias commands which are not abbreviations of the original command. class-pseudo is for commands which are not really commands nor help topics ("stop"). */ enum command_class { /* Special args to help_list */ class_deprecated = -3, all_classes = -2, all_commands = -1, /* Classes of commands */ no_class = -1, class_run = 0, class_vars, class_stack, class_files, class_support, class_info, class_breakpoint, class_trace, class_alias, class_bookmark, class_obscure, class_maintenance, class_pseudo, class_tui, class_user, class_xdb }; /* FIXME: cagney/2002-03-17: Once cmd_type() has been removed, ``enum cmd_types'' can be moved from "command.h" to "cli-decode.h". */ /* Not a set/show command. Note that some commands which begin with "set" or "show" might be in this category, if their syntax does not fall into one of the following categories. */ typedef enum cmd_types { not_set_cmd, set_cmd, show_cmd } cmd_types; /* Types of "set" or "show" command. */ typedef enum var_types { /* "on" or "off". *VAR is an integer which is nonzero for on, zero for off. */ var_boolean, /* "on" / "true" / "enable" or "off" / "false" / "disable" or "auto. *VAR is an ``enum auto_boolean''. NOTE: In general a custom show command will need to be implemented - one that for "auto" prints both the "auto" and the current auto-selected value. */ var_auto_boolean, /* Unsigned Integer. *VAR is an unsigned int. The user can type 0 to mean "unlimited", which is stored in *VAR as UINT_MAX. */ var_uinteger, /* Like var_uinteger but signed. *VAR is an int. The user can type 0 to mean "unlimited", which is stored in *VAR as INT_MAX. */ var_integer, /* String which the user enters with escapes (e.g. the user types \n and it is a real newline in the stored string). *VAR is a malloc'd string, or NULL if the string is empty. */ var_string, /* String which stores what the user types verbatim. *VAR is a malloc'd string, or NULL if the string is empty. */ var_string_noescape, /* String which stores a filename. (*VAR) is a malloc'd string, or "" if the string was empty. */ var_optional_filename, /* String which stores a filename. (*VAR) is a malloc'd string. */ var_filename, /* ZeroableInteger. *VAR is an int. Like Unsigned Integer except that zero really means zero. */ var_zinteger, /* ZeroableUnsignedInteger. *VAR is an unsigned int. Zero really means zero. */ var_zuinteger, /* Enumerated type. Can only have one of the specified values. *VAR is a char pointer to the name of the element that we find. */ var_enum } var_types; /* This structure records one command'd definition. */ struct cmd_list_element; /* Forward-declarations of the entry-points of cli/cli-decode.c. */ extern struct cmd_list_element *add_cmd (char *, enum command_class, void (*fun) (char *, int), char *, struct cmd_list_element **); extern struct cmd_list_element *add_alias_cmd (char *, char *, enum command_class, int, struct cmd_list_element **); extern struct cmd_list_element *add_prefix_cmd (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 (char *, enum command_class, void (*fun) (char *, int), char *, struct cmd_list_element **, char *, int, struct cmd_list_element **); /* Set the commands corresponding callback. */ typedef void cmd_cfunc_ftype (char *args, int from_tty); extern void set_cmd_cfunc (struct cmd_list_element *cmd, cmd_cfunc_ftype *cfunc); typedef void cmd_sfunc_ftype (char *args, int from_tty, struct cmd_list_element *c); extern void set_cmd_sfunc (struct cmd_list_element *cmd, cmd_sfunc_ftype *sfunc); extern void set_cmd_completer (struct cmd_list_element *cmd, char **(*completer) (struct cmd_list_element *cmd, char *text, char *word)); /* 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, void (*cfunc) (char *args, int from_tty)); /* Each command object has a local context attached to it. . */ extern void set_cmd_context (struct cmd_list_element *cmd, void *context); extern void *get_cmd_context (struct cmd_list_element *cmd); /* Execute CMD's pre/post hook. Throw an error if the command fails. If already executing this pre/post hook, or there is no pre/post hook, the call is silently ignored. */ extern void execute_cmd_pre_hook (struct cmd_list_element *cmd); extern void execute_cmd_post_hook (struct cmd_list_element *cmd); /* Return the type of the command. */ extern enum cmd_types cmd_type (struct cmd_list_element *cmd); extern struct cmd_list_element *lookup_cmd (char **, struct cmd_list_element *, char *, int, int); extern struct cmd_list_element *lookup_cmd_1 (char **, struct cmd_list_element *, struct cmd_list_element **, int); extern struct cmd_list_element * deprecate_cmd (struct cmd_list_element *, char * ); extern void 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 (char *, enum command_class, void (*fun) (char *, int), char *); extern struct cmd_list_element *add_com_alias (char *, char *, enum command_class, int); extern struct cmd_list_element *add_info (char *, void (*fun) (char *, int), char *); extern struct cmd_list_element *add_info_alias (char *, char *, int); extern char **complete_on_cmdlist (struct cmd_list_element *, char *, char *); extern char **complete_on_enum (const char *enumlist[], char *, char *); extern void help_cmd (char *, struct ui_file *); extern void help_list (struct cmd_list_element *, char *, enum command_class, struct ui_file *); extern void help_cmd_list (struct cmd_list_element *, enum command_class, char *, int, struct ui_file *); /* Method for show a set/show variable's VALUE on FILE. If this method isn't supplied deprecated_show_value_hack() is called (which is not good). */ typedef void (show_value_ftype) (struct ui_file *file, int from_tty, struct cmd_list_element *cmd, const char *value); /* NOTE: i18n: This function is not i18n friendly. Callers should instead print the value out directly. */ extern show_value_ftype deprecated_show_value_hack; extern void add_setshow_enum_cmd (char *name, enum command_class class, const char *enumlist[], const char **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 void add_setshow_auto_boolean_cmd (char *name, enum command_class class, enum auto_boolean *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 void add_setshow_boolean_cmd (char *name, enum command_class class, 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 void add_setshow_filename_cmd (char *name, enum command_class class, char **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 void add_setshow_string_cmd (char *name, enum command_class class, char **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 void add_setshow_string_noescape_cmd (char *name, enum command_class class, char **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 void add_setshow_optional_filename_cmd (char *name, enum command_class class, char **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 void add_setshow_integer_cmd (char *name, enum command_class class, 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 void add_setshow_uinteger_cmd (char *name, enum command_class class, unsigned 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 void add_setshow_zinteger_cmd (char *name, enum command_class class, 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 void add_setshow_zuinteger_cmd (char *name, enum command_class class, unsigned 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); /* Do a "show" command for each thing on a command list. */ extern void cmd_show_list (struct cmd_list_element *, int, char *); extern NORETURN void error_no_arg (char *) ATTR_NORETURN; extern void dont_repeat (void); /* 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); /* 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); #endif /* !defined (COMMAND_H) */
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