X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=gdb%2Fcommand.h;h=b88bd8b7e8d6dfbe049ca1bd3ae082b2f2b30593;hb=6fc1c7733ea454110cfcb02be7d9b4b0f12eca91;hp=ec9c651431ed12d00e18228e76b6e28316c39613;hpb=197e01b6dcd118b70ed3621b62b2ff3fa929d50f;p=deliverable%2Fbinutils-gdb.git diff --git a/gdb/command.h b/gdb/command.h index ec9c651431..b88bd8b7e8 100644 --- a/gdb/command.h +++ b/gdb/command.h @@ -1,11 +1,11 @@ -/* Header file for command-reading library command.c. +/* Header file for command creation. - Copyright (C) 1986, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1999, - 2000, 2002, 2004 Free Software Foundation, Inc. + Copyright (C) 1986, 1989-1995, 1999-2000, 2002, 2004, 2007-2012 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 + 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, @@ -14,15 +14,19 @@ 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., 51 Franklin Street, Fifth Floor, - Boston, MA 02110-1301, USA. */ + along with this program. If not, see . */ #if !defined (COMMAND_H) #define COMMAND_H 1 -/* Command classes are top-level categories into which commands are broken - down for "help" purposes. +#include "gdb_vecs.h" + +/* This file defines the public interface for any code wanting to + create commands. */ + +/* 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"). */ @@ -30,12 +34,14 @@ enum command_class { /* Special args to help_list */ - class_deprecated, all_classes = -2, all_commands = -1, + 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_obscure, class_user, class_maintenance, - class_pseudo, class_tui, class_xdb + 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, + no_set_class /* Used for "show" commands that have no corresponding + "set" command. */ }; /* FIXME: cagney/2002-03-17: Once cmd_type() has been removed, ``enum @@ -62,19 +68,21 @@ typedef enum var_types "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. */ + 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. */ + /* 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. */ + /* 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. The only remaining use of it is the Python API. + Don't use it elsewhere. */ 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). + /* 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. @@ -86,11 +94,18 @@ typedef enum var_types /* String which stores a filename. (*VAR) is a malloc'd string. */ var_filename, - /* ZeroableInteger. *VAR is an int. Like Unsigned Integer except + /* ZeroableInteger. *VAR is an int. Like var_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. */ + /* ZeroableUnsignedInteger. *VAR is an unsigned int. Zero really + means zero. */ + var_zuinteger, + /* ZeroableUnsignedInteger with unlimited value. *VAR is an unsigned + int, but its range is [0, INT_MAX]. -1 stands for unlimited. */ + var_zuinteger_unlimited, + /* 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; @@ -100,6 +115,10 @@ struct cmd_list_element; /* Forward-declarations of the entry-points of cli/cli-decode.c. */ +/* 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 (char *, enum command_class, void (*fun) (char *, int), char *, struct cmd_list_element **); @@ -136,16 +155,19 @@ typedef void cmd_sfunc_ftype (char *args, int from_tty, 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)); +typedef VEC (char_ptr) *completer_ftype (struct cmd_list_element *, + char *, char *); + +extern void set_cmd_completer (struct cmd_list_element *, completer_ftype *); /* 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); +/* 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); @@ -158,6 +180,8 @@ 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); +/* Flag for an ambiguous cmd_list result. */ +#define CMD_LIST_AMBIGUOUS ((struct cmd_list_element *) -1) extern struct cmd_list_element *lookup_cmd (char **, struct cmd_list_element *, char *, @@ -168,53 +192,40 @@ extern struct cmd_list_element *lookup_cmd_1 (char **, struct cmd_list_element **, int); -extern struct cmd_list_element * - deprecate_cmd (struct cmd_list_element *, char * ); +extern struct cmd_list_element *deprecate_cmd (struct cmd_list_element *, + char * ); -extern void - deprecated_cmd_warning (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 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 *); + 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), +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 VEC (char_ptr) *complete_on_cmdlist (struct cmd_list_element *, + char *, char *); -extern void delete_cmd (char *, struct cmd_list_element **); +extern VEC (char_ptr) *complete_on_enum (const char *const *enumlist, + char *, char *); -extern void help_cmd (char *, struct ui_file *); +/* Functions that implement commands about CLI commands. */ 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 *); - -/* NOTE: cagney/2005-02-21: Since every set command should be paired - with a corresponding show command (i.e., add_setshow_*) this call - should not be needed. Unfortunatly some are not (e.g., - "maintenance ") and those need to be fixed. */ -extern struct cmd_list_element *deprecated_add_set_cmd (char *name, enum - command_class class, - var_types var_type, void *var, - char *doc, - struct cmd_list_element **list); - /* 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). */ @@ -228,7 +239,7 @@ 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 *const *enumlist, const char **var, const char *set_doc, const char *show_doc, @@ -336,24 +347,53 @@ extern void add_setshow_zinteger_cmd (char *name, 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); + +extern void + add_setshow_zuinteger_unlimited_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; +/* Used everywhere whenever at least one parameter is required and + none is specified. */ + +extern void error_no_arg (char *) ATTRIBUTE_NORETURN; extern void dont_repeat (void); +extern struct cleanup *prevent_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 */ +/* 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); +/* Call the command function. */ +extern void cmd_func (struct cmd_list_element *cmd, + char *args, int from_tty); #endif /* !defined (COMMAND_H) */