X-Git-Url: http://git.efficios.com/?a=blobdiff_plain;f=gdb%2Fcommand.h;h=899d0d6249b50bc45ba98e54143b7e29328feb57;hb=f33e9acf1b9d497a366d072caee34548fcfdf1cb;hp=bf7891a96fbd9b890318a5b5729f489bdedd75da;hpb=632ea0ccc5c4c3f9fc06881bfedfc4b075873941;p=deliverable%2Fbinutils-gdb.git diff --git a/gdb/command.h b/gdb/command.h index bf7891a96f..899d0d6249 100644 --- a/gdb/command.h +++ b/gdb/command.h @@ -1,162 +1,334 @@ /* Header file for command-reading library command.c. - Copyright (C) 1986 Free Software Foundation, Inc. - - NO WARRANTY - - BECAUSE THIS PROGRAM IS LICENSED FREE OF CHARGE, WE PROVIDE ABSOLUTELY -NO WARRANTY, TO THE EXTENT PERMITTED BY APPLICABLE STATE LAW. EXCEPT -WHEN OTHERWISE STATED IN WRITING, FREE SOFTWARE FOUNDATION, INC, -RICHARD M. STALLMAN AND/OR OTHER PARTIES PROVIDE THIS PROGRAM "AS IS" -WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, -BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND -FITNESS FOR A PARTICULAR PURPOSE. THE ENTIRE RISK AS TO THE QUALITY -AND PERFORMANCE OF THE PROGRAM IS WITH YOU. SHOULD THE PROGRAM PROVE -DEFECTIVE, YOU ASSUME THE COST OF ALL NECESSARY SERVICING, REPAIR OR -CORRECTION. - - IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW WILL RICHARD M. -STALLMAN, THE FREE SOFTWARE FOUNDATION, INC., AND/OR ANY OTHER PARTY -WHO MAY MODIFY AND REDISTRIBUTE THIS PROGRAM AS PERMITTED BELOW, BE -LIABLE TO YOU FOR DAMAGES, INCLUDING ANY LOST PROFITS, LOST MONIES, OR -OTHER SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE -USE OR INABILITY TO USE (INCLUDING BUT NOT LIMITED TO LOSS OF DATA OR -DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY THIRD PARTIES OR -A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS) THIS -PROGRAM, EVEN IF YOU HAVE BEEN ADVISED OF THE POSSIBILITY OF SUCH -DAMAGES, OR FOR ANY CLAIM BY ANY OTHER PARTY. - - GENERAL PUBLIC LICENSE TO COPY - - 1. You may copy and distribute verbatim copies of this source file -as you receive it, in any medium, provided that you conspicuously and -appropriately publish on each copy a valid copyright notice "Copyright -(C) 1986 Free Software Foundation, Inc."; and include following the -copyright notice a verbatim copy of the above disclaimer of warranty -and of this License. You may charge a distribution fee for the -physical act of transferring a copy. - - 2. You may modify your copy or copies of this source file or -any portion of it, and copy and distribute such modifications under -the terms of Paragraph 1 above, provided that you also do the following: - - a) cause the modified files to carry prominent notices stating - that you changed the files and the date of any change; and - - b) cause the whole of any work that you distribute or publish, - that in whole or in part contains or is a derivative of this - program or any part thereof, to be licensed at no charge to all - third parties on terms identical to those contained in this - License Agreement (except that you may choose to grant more extensive - warranty protection to some or all third parties, at your option). - - c) You may charge a distribution fee for the physical act of - transferring a copy, and you may at your option offer warranty - protection in exchange for a fee. - -Mere aggregation of another unrelated program with this program (or its -derivative) on a volume of a storage or distribution medium does not bring -the other program under the scope of these terms. - - 3. You may copy and distribute this program (or a portion or derivative -of it, under Paragraph 2) in object code or executable form under the terms -of Paragraphs 1 and 2 above provided that you also do one of the following: - - a) accompany it with the complete corresponding machine-readable - source code, which must be distributed under the terms of - Paragraphs 1 and 2 above; or, - - b) accompany it with a written offer, valid for at least three - years, to give any third party free (except for a nominal - shipping charge) a complete machine-readable copy of the - corresponding source code, to be distributed under the terms of - Paragraphs 1 and 2 above; or, - - c) accompany it with the information you received as to where the - corresponding source code may be obtained. (This alternative is - allowed only for noncommercial distribution and only if you - received the program in object code or executable form alone.) - -For an executable file, complete source code means all the source code for -all modules it contains; but, as a special exception, it need not include -source code for modules which are standard libraries that accompany the -operating system on which the executable file runs. - - 4. You may not copy, sublicense, distribute or transfer this program -except as expressly provided under this License Agreement. Any attempt -otherwise to copy, sublicense, distribute or transfer this program is void and -your rights to use the program under this License agreement shall be -automatically terminated. However, parties who have received computer -software programs from you with this License Agreement will not have -their licenses terminated so long as such parties remain in full compliance. - - 5. If you wish to incorporate parts of this program into other free -programs whose distribution conditions are different, write to the Free -Software Foundation at 675 Mass Ave, Cambridge, MA 02139. We have not yet -worked out a simple rule that can be stated here, but we will often permit -this. We will be guided by the two goals of preserving the free status of -all derivatives of our free software and of promoting the sharing and reuse of -software. - - -In other words, you are welcome to use, share and improve this program. -You are forbidden to forbid anyone else to use, share and improve -what you give them. Help stamp out software-hoarding! */ + Copyright 1986, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1999, + 2000, 2002, 2004 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 2 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, write to the Free Software + Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ + +#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, 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_obscure, class_user, class_maintenance, + class_pseudo, class_tui, 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 NULL if the string is empty. */ + var_filename, + /* ZeroableInteger. *VAR is an int. Like Unsigned Integer except + that zero really means zero. */ + var_zinteger, + /* 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 **); -struct cmd_list_element - { - /* Points to next command in this list. */ - struct cmd_list_element *next; - - /* Name of this command. */ - char *name; - - /* Command class; class values are chosen by application program. */ - int class; - - /* Function definition of this command. - Zero for command class names and for help topics that - are not really commands. */ - void (*function) (); - - /* Documentation of this command (or help topic). - First line is brief documentation; remaining lines form, with it, - the full documentation. First line should end with a period. - Entire string should also end with a period, not a newline. */ - char *doc; - - /* Auxiliary information. - It is up to the calling program to decide what this means. */ - char *aux; - - /* Nonzero identifies a prefix command. For them, the address - of the variable containing the list of subcommands. */ - struct cmd_list_element **prefixlist; - - /* For prefix commands only: - String containing prefix commands to get here: this one - plus any others needed to get to it. Should end in a space. - It is used before the word "command" in describing the - commands reached through this prefix. */ - char *prefixname; - - /* For prefix commands only: - nonzero means do not get an error if subcommand is not - recognized; call the prefix's own function in that case. */ - char allow_unknown; - - /* Nonzero says this is an abbreviation, and should not - be mentioned in lists of commands. */ - char abbrev_flag; - }; - -/* Forward-declarations of the entry-points of command.c. */ - -extern struct cmd_list_element *add_cmd (); -extern struct cmd_list_element *add_alias_cmd (); -extern struct cmd_list_element *add_prefix_cmd (); -extern struct cmd_list_element *lookup_cmd (); -extern void delete_cmd (); -extern void help_cmd (); +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) (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. */ +/* NOTE: cagney/2002-03-17: The deprecated_add_show_from_set() + function clones the set command passed as a parameter. The clone + operation will include (BUG?) any ``set'' command callback, if + present. Commands like ``info set'' call all the ``show'' command + callbacks. Unfortunately, for ``show'' commands cloned from + ``set'', this includes callbacks belonging to ``set'' commands. + Making this worse, this only occures if + deprecated_add_show_from_set() is called after add_cmd_sfunc() + (BUG?). */ +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 delete_cmd (char *, struct cmd_list_element **); + +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 *); + +extern struct cmd_list_element *add_set_cmd (char *name, enum + command_class class, + var_types var_type, void *var, + char *doc, + struct cmd_list_element **list); + +extern struct cmd_list_element *add_set_enum_cmd (char *name, + enum command_class class, + const char *enumlist[], + const char **var, + char *doc, + struct cmd_list_element **list); +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, + const char *print, + cmd_sfunc_ftype *set_func, + cmd_sfunc_ftype *show_func, + struct cmd_list_element **set_list, + struct cmd_list_element **show_list, + struct cmd_list_element **set_result, + struct cmd_list_element **show_result); + +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, + const char *print, + cmd_sfunc_ftype *set_func, + cmd_sfunc_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, const char *print, + cmd_sfunc_ftype *set_func, + cmd_sfunc_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, + const char *print, + cmd_sfunc_ftype *set_func, + cmd_sfunc_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, + const char *print, + cmd_sfunc_ftype *set_func, + cmd_sfunc_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, + const char *print, + cmd_sfunc_ftype *set_func, + cmd_sfunc_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, + const char *print, + cmd_sfunc_ftype *set_func, + cmd_sfunc_ftype *show_func, + struct cmd_list_element **set_list, + struct cmd_list_element **show_list); + +extern struct cmd_list_element *deprecated_add_show_from_set (struct cmd_list_element *, + struct cmd_list_element **); + +/* 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) */