/* Top level stuff for GDB, the GNU debugger.
- Copyright 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995,
- 1996, 1997, 1998, 1999, 2000, 2001 Free Software Foundation, Inc.
+
+ Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995,
+ 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007,
+ 2008 Free Software Foundation, Inc.
This file is part of GDB.
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,
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. */
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
#include "defs.h"
#include "gdbcmd.h"
#include "cli/cli-cmds.h"
#include "cli/cli-script.h"
#include "cli/cli-setshow.h"
+#include "cli/cli-decode.h"
#include "symtab.h"
#include "inferior.h"
+#include "exceptions.h"
#include <signal.h>
#include "target.h"
#include "breakpoint.h"
#include "serial.h"
#include "doublest.h"
#include "gdb_assert.h"
+#include "main.h"
+#include "event-loop.h"
/* readline include files */
-#include <readline/readline.h>
-#include <readline/history.h>
+#include "readline/readline.h"
+#include "readline/history.h"
/* readline defines this. */
#undef savestring
#include <sys/types.h>
-#include <setjmp.h>
-
#include "event-top.h"
#include "gdb_string.h"
#include "gdb_stat.h"
#include <ctype.h>
-#ifdef UI_OUT
#include "ui-out.h"
#include "cli-out.h"
-#endif
/* Default command line prompt. This is overriden in some configs. */
/* Initialization file name for gdb. This is overridden in some configs. */
+#ifndef PATH_MAX
+# ifdef FILENAME_MAX
+# define PATH_MAX FILENAME_MAX
+# else
+# define PATH_MAX 512
+# endif
+#endif
+
#ifndef GDBINIT_FILENAME
#define GDBINIT_FILENAME ".gdbinit"
#endif
-char gdbinit[] = GDBINIT_FILENAME;
+char gdbinit[PATH_MAX + 1] = GDBINIT_FILENAME;
int inhibit_gdbinit = 0;
/* If nonzero, and GDB has been configured to be able to use windows,
attempt to open them upon startup. */
-int use_windows = 1;
+int use_windows = 0;
extern char lang_frame_mismatch_warn[]; /* language.c */
/* Flag for whether we want all the "from_tty" gubbish printed. */
int caution = 1; /* Default is yes, sigh. */
+static void
+show_caution (struct ui_file *file, int from_tty,
+ struct cmd_list_element *c, const char *value)
+{
+ fprintf_filtered (file, _("\
+Whether to confirm potentially dangerous operations is %s.\n"),
+ value);
+}
/* stdio stream that command input is being read from. Set to stdin normally.
Set by source_command to the file we are sourcing. Set to NULL if we are
FILE *instream;
+/* Flag to indicate whether a user defined command is currently running. */
+
+int in_user_command;
+
/* Current working directory. */
char *current_directory;
In mid-1996, remote_timeout was moved from remote.c to top.c and
it began being used in other remote-* targets. It appears that the
default was changed to 20 seconds at that time, perhaps because the
- Hitachi E7000 ICE didn't always respond in a timely manner.
+ Renesas E7000 ICE didn't always respond in a timely manner.
But if 5 seconds is a long time to sit and wait for retransmissions,
20 seconds is far worse. This demonstrates the difficulty of using
target is off and running, which gdb is doing something else. */
int target_executing = 0;
-/* Level of control structure. */
-static int control_level;
+/* Sbrk location on entry to main. Used for statistics only. */
+#ifdef HAVE_SBRK
+char *lim_at_start;
+#endif
/* Signal to catch ^Z typed while reading a command: SIGTSTP or SIGCONT. */
/* Hooks for alternate command interfaces. */
/* Called after most modules have been initialized, but before taking users
- command file. */
+ command file.
+
+ If the UI fails to initialize and it wants GDB to continue
+ using the default UI, then it should clear this hook before returning. */
-void (*init_ui_hook) (char *argv0);
+void (*deprecated_init_ui_hook) (char *argv0);
/* This hook is called from within gdb's many mini-event loops which could
steal control from a real user interface's event loop. It returns
non-zero if the user is requesting a detach, zero otherwise. */
-int (*ui_loop_hook) (int);
+int (*deprecated_ui_loop_hook) (int);
/* Called instead of command_loop at top level. Can be invoked via
- return_to_top_level. */
+ throw_exception(). */
-void (*command_loop_hook) (void);
+void (*deprecated_command_loop_hook) (void);
/* Called from print_frame_info to list the line we stopped in. */
-void (*print_frame_info_listing_hook) (struct symtab * s, int line,
- int stopline, int noerror);
+void (*deprecated_print_frame_info_listing_hook) (struct symtab * s, int line,
+ int stopline, int noerror);
/* Replaces most of query. */
-int (*query_hook) (const char *, va_list);
+int (*deprecated_query_hook) (const char *, va_list);
/* Replaces most of warning. */
-void (*warning_hook) (const char *, va_list);
+void (*deprecated_warning_hook) (const char *, va_list);
-/* These three functions support getting lines of text from the user. They
- are used in sequence. First readline_begin_hook is called with a text
- string that might be (for example) a message for the user to type in a
- sequence of commands to be executed at a breakpoint. If this function
- calls back to a GUI, it might take this opportunity to pop up a text
- interaction window with this message. Next, readline_hook is called
- with a prompt that is emitted prior to collecting the user input.
- It can be called multiple times. Finally, readline_end_hook is called
- to notify the GUI that we are done with the interaction window and it
- can close it. */
+/* These three functions support getting lines of text from the user.
+ They are used in sequence. First deprecated_readline_begin_hook is
+ called with a text string that might be (for example) a message for
+ the user to type in a sequence of commands to be executed at a
+ breakpoint. If this function calls back to a GUI, it might take
+ this opportunity to pop up a text interaction window with this
+ message. Next, deprecated_readline_hook is called with a prompt
+ that is emitted prior to collecting the user input. It can be
+ called multiple times. Finally, deprecated_readline_end_hook is
+ called to notify the GUI that we are done with the interaction
+ window and it can close it. */
-void (*readline_begin_hook) (char *, ...);
-char *(*readline_hook) (char *);
-void (*readline_end_hook) (void);
+void (*deprecated_readline_begin_hook) (char *, ...);
+char *(*deprecated_readline_hook) (char *);
+void (*deprecated_readline_end_hook) (void);
/* Called as appropriate to notify the interface of the specified breakpoint
conditions. */
-void (*create_breakpoint_hook) (struct breakpoint * bpt);
-void (*delete_breakpoint_hook) (struct breakpoint * bpt);
-void (*modify_breakpoint_hook) (struct breakpoint * bpt);
+void (*deprecated_create_breakpoint_hook) (struct breakpoint * bpt);
+void (*deprecated_delete_breakpoint_hook) (struct breakpoint * bpt);
+void (*deprecated_modify_breakpoint_hook) (struct breakpoint * bpt);
/* Called as appropriate to notify the interface that we have attached
to or detached from an already running process. */
-void (*attach_hook) (void);
-void (*detach_hook) (void);
+void (*deprecated_attach_hook) (void);
+void (*deprecated_detach_hook) (void);
/* Called during long calculations to allow GUI to repair window damage, and to
check for stop buttons, etc... */
-void (*interactive_hook) (void);
-
-/* Called when the registers have changed, as a hint to a GUI
- to minimize window update. */
-
-void (*registers_changed_hook) (void);
+void (*deprecated_interactive_hook) (void);
/* Tell the GUI someone changed the register REGNO. -1 means
that the caller does not know which register changed or
that several registers have changed (see value_assign). */
-void (*register_changed_hook) (int regno);
+void (*deprecated_register_changed_hook) (int regno);
/* Tell the GUI someone changed LEN bytes of memory at ADDR */
-void (*memory_changed_hook) (CORE_ADDR addr, int len);
+void (*deprecated_memory_changed_hook) (CORE_ADDR addr, int len);
/* Called when going to wait for the target. Usually allows the GUI to run
while waiting for target events. */
-ptid_t (*target_wait_hook) (ptid_t ptid,
- struct target_waitstatus * status);
+ptid_t (*deprecated_target_wait_hook) (ptid_t ptid,
+ struct target_waitstatus * status);
/* Used by UI as a wrapper around command execution. May do various things
like enabling/disabling buttons, etc... */
-void (*call_command_hook) (struct cmd_list_element * c, char *cmd,
- int from_tty);
+void (*deprecated_call_command_hook) (struct cmd_list_element * c, char *cmd,
+ int from_tty);
/* Called after a `set' command has finished. Is only run if the
`set' command succeeded. */
-void (*set_hook) (struct cmd_list_element * c);
+void (*deprecated_set_hook) (struct cmd_list_element * c);
/* Called when the current thread changes. Argument is thread id. */
-void (*context_hook) (int id);
+void (*deprecated_context_hook) (int id);
/* Takes control from error (). Typically used to prevent longjmps out of the
middle of the GUI. Usually used in conjunction with a catch routine. */
-NORETURN void (*error_hook) (void) ATTR_NORETURN;
-\f
-
-/* One should use catch_errors rather than manipulating these
- directly. */
-#if defined(HAVE_SIGSETJMP)
-#define SIGJMP_BUF sigjmp_buf
-#define SIGSETJMP(buf) sigsetjmp((buf), 1)
-#define SIGLONGJMP(buf,val) siglongjmp((buf), (val))
-#else
-#define SIGJMP_BUF jmp_buf
-#define SIGSETJMP(buf) setjmp(buf)
-#define SIGLONGJMP(buf,val) longjmp((buf), (val))
-#endif
-
-/* Where to go for return_to_top_level. */
-static SIGJMP_BUF *catch_return;
-
-/* Return for reason REASON to the nearest containing catch_errors(). */
-
-NORETURN void
-return_to_top_level (enum return_reason reason)
-{
- quit_flag = 0;
- immediate_quit = 0;
-
- /* Perhaps it would be cleaner to do this via the cleanup chain (not sure
- I can think of a reason why that is vital, though). */
- bpstat_clear_actions (stop_bpstat); /* Clear queued breakpoint commands */
-
- disable_current_display ();
- do_cleanups (ALL_CLEANUPS);
- if (event_loop_p && target_can_async_p () && !target_executing)
- do_exec_cleanups (ALL_CLEANUPS);
- if (event_loop_p && sync_execution)
- do_exec_error_cleanups (ALL_CLEANUPS);
-
- if (annotation_level > 1)
- switch (reason)
- {
- case RETURN_QUIT:
- annotate_quit ();
- break;
- case RETURN_ERROR:
- annotate_error ();
- break;
- }
-
- /* Jump to the containing catch_errors() call, communicating REASON
- to that call via setjmp's return value. Note that REASON can't
- be zero, by definition in defs.h. */
-
- (NORETURN void) SIGLONGJMP (*catch_return, (int) reason);
-}
-
-/* Call FUNC() with args FUNC_UIOUT and FUNC_ARGS, catching any
- errors. Set FUNC_CAUGHT to an ``enum return_reason'' if the
- function is aborted (using return_to_top_level() or zero if the
- function returns normally. Set FUNC_VAL to the value returned by
- the function or 0 if the function was aborted.
-
- Must not be called with immediate_quit in effect (bad things might
- happen, say we got a signal in the middle of a memcpy to quit_return).
- This is an OK restriction; with very few exceptions immediate_quit can
- be replaced by judicious use of QUIT.
-
- MASK specifies what to catch; it is normally set to
- RETURN_MASK_ALL, if for no other reason than that the code which
- calls catch_errors might not be set up to deal with a quit which
- isn't caught. But if the code can deal with it, it generally
- should be RETURN_MASK_ERROR, unless for some reason it is more
- useful to abort only the portion of the operation inside the
- catch_errors. Note that quit should return to the command line
- fairly quickly, even if some further processing is being done. */
-
-/* MAYBE: cagney/1999-11-05: catch_errors() in conjunction with
- error() et.al. could maintain a set of flags that indicate the the
- current state of each of the longjmp buffers. This would give the
- longjmp code the chance to detect a longjmp botch (before it gets
- to longjmperror()). Prior to 1999-11-05 this wasn't possible as
- code also randomly used a SET_TOP_LEVEL macro that directly
- initialize the longjmp buffers. */
-
-/* MAYBE: cagney/1999-11-05: Should the catch_errors and cleanups code
- be consolidated into a single file instead of being distributed
- between utils.c and top.c? */
-
-static void
-catcher (catch_exceptions_ftype *func,
- struct ui_out *func_uiout,
- void *func_args,
- int *func_val,
- enum return_reason *func_caught,
- char *errstring,
- return_mask mask)
-{
- SIGJMP_BUF *saved_catch;
- SIGJMP_BUF catch;
- struct cleanup *saved_cleanup_chain;
- char *saved_error_pre_print;
- char *saved_quit_pre_print;
- struct ui_out *saved_uiout;
-
- /* Return value from SIGSETJMP(): enum return_reason if error or
- quit caught, 0 otherwise. */
- int caught;
-
- /* Return value from FUNC(): Hopefully non-zero. Explicitly set to
- zero if an error quit was caught. */
- int val;
-
- /* Override error/quit messages during FUNC. */
-
- saved_error_pre_print = error_pre_print;
- saved_quit_pre_print = quit_pre_print;
-
- if (mask & RETURN_MASK_ERROR)
- error_pre_print = errstring;
- if (mask & RETURN_MASK_QUIT)
- quit_pre_print = errstring;
-
- /* Override the global ``struct ui_out'' builder. */
-
- saved_uiout = uiout;
- uiout = func_uiout;
-
- /* Prevent error/quit during FUNC from calling cleanups established
- prior to here. */
-
- saved_cleanup_chain = save_cleanups ();
-
- /* Call FUNC, catching error/quit events. */
-
- saved_catch = catch_return;
- catch_return = &catch;
- caught = SIGSETJMP (catch);
- if (!caught)
- val = (*func) (func_uiout, func_args);
- else
- val = 0;
- catch_return = saved_catch;
-
- /* FIXME: cagney/1999-11-05: A correct FUNC implementation will
- clean things up (restoring the cleanup chain) to the state they
- were just prior to the call. Unfortunately, many FUNC's are not
- that well behaved. This could be fixed by adding either a
- do_cleanups call (to cover the problem) or an assertion check to
- detect bad FUNCs code. */
-
- /* Restore the cleanup chain, the error/quit messages, and the uiout
- builder, to their original states. */
-
- restore_cleanups (saved_cleanup_chain);
-
- uiout = saved_uiout;
-
- if (mask & RETURN_MASK_QUIT)
- quit_pre_print = saved_quit_pre_print;
- if (mask & RETURN_MASK_ERROR)
- error_pre_print = saved_error_pre_print;
-
- /* Return normally if no error/quit event occurred or this catcher
- can handle this exception. The caller analyses the func return
- values. */
-
- if (!caught || (mask & RETURN_MASK (caught)))
- {
- *func_val = val;
- *func_caught = caught;
- return;
- }
-
- /* The caller didn't request that the event be caught, relay the
- event to the next containing catch_errors(). */
-
- return_to_top_level (caught);
-}
-
-int
-catch_exceptions (struct ui_out *uiout,
- catch_exceptions_ftype *func,
- void *func_args,
- char *errstring,
- return_mask mask)
-{
- int val;
- enum return_reason caught;
- catcher (func, uiout, func_args, &val, &caught, errstring, mask);
- gdb_assert (val >= 0);
- gdb_assert (caught <= 0);
- if (caught < 0)
- return caught;
- return val;
-}
-
-struct catch_errors_args
-{
- catch_errors_ftype *func;
- void *func_args;
-};
-
-int
-do_catch_errors (struct ui_out *uiout, void *data)
-{
- struct catch_errors_args *args = data;
- return args->func (args->func_args);
-}
-
-int
-catch_errors (catch_errors_ftype *func, void *func_args, char *errstring,
- return_mask mask)
-{
- int val;
- enum return_reason caught;
- struct catch_errors_args args;
- args.func = func;
- args.func_args = func_args;
- catcher (do_catch_errors, uiout, &args, &val, &caught, errstring, mask);
- if (caught != 0)
- return 0;
- return val;
-}
-
-struct captured_command_args
- {
- catch_command_errors_ftype *command;
- char *arg;
- int from_tty;
- };
-
-static int
-do_captured_command (void *data)
-{
- struct captured_command_args *context = data;
- context->command (context->arg, context->from_tty);
- /* FIXME: cagney/1999-11-07: Technically this do_cleanups() call
- isn't needed. Instead an assertion check could be made that
- simply confirmed that the called function correctly cleaned up
- after itself. Unfortunately, old code (prior to 1999-11-04) in
- main.c was calling SET_TOP_LEVEL(), calling the command function,
- and then *always* calling do_cleanups(). For the moment we
- remain ``bug compatible'' with that old code.. */
- do_cleanups (ALL_CLEANUPS);
- return 1;
-}
-
-int
-catch_command_errors (catch_command_errors_ftype * command,
- char *arg, int from_tty, return_mask mask)
-{
- struct captured_command_args args;
- args.command = command;
- args.arg = arg;
- args.from_tty = from_tty;
- return catch_errors (do_captured_command, &args, "", mask);
-}
-
+void (*deprecated_error_hook) (void);
/* Handler for SIGHUP. */
#ifdef SIGHUP
-/* Just a little helper function for disconnect(). */
-
/* NOTE 1999-04-29: This function will be static again, once we modify
gdb to use the event loop as the default command loop and we merge
event-top.c into this file, top.c */
quit_command ((char *) 0, 0);
return 0;
}
-
-static void
-disconnect (int signo)
-{
- catch_errors (quit_cover, NULL,
- "Could not kill the program being debugged", RETURN_MASK_ALL);
- signal (SIGHUP, SIG_DFL);
- kill (getpid (), SIGHUP);
-}
#endif /* defined SIGHUP */
\f
/* Line number we are currently in in a file which is being sourced. */
event-top.c into this file, top.c */
/* static */ char *source_file_name;
-/* Buffer containing the error_pre_print used by the source stuff.
- Malloc'd. */
-/* NOTE 1999-04-29: This variable will be static again, once we modify
- gdb to use the event loop as the default command loop and we merge
- event-top.c into this file, top.c */
-/* static */ char *source_error;
-static int source_error_allocated;
-
-/* Something to glom on to the start of error_pre_print if source_file_name
- is set. */
-/* NOTE 1999-04-29: This variable will be static again, once we modify
- gdb to use the event loop as the default command loop and we merge
- event-top.c into this file, top.c */
-/* static */ char *source_pre_error;
-
/* Clean up on error during a "source" command (or execution of a
user-defined command). */
void
execute_command (char *p, int from_tty)
{
- register struct cmd_list_element *c;
- register enum language flang;
+ struct cmd_list_element *c;
+ enum language flang;
static int warned = 0;
char *line;
if (p == NULL)
return;
- serial_log_command (p);
+ target_log_command (p);
while (*p == ' ' || *p == '\t')
p++;
char *arg;
line = p;
+ /* If trace-commands is set then this will print this command. */
+ print_command_trace (p);
+
c = lookup_cmd (&p, cmdlist, "", 0, 1);
/* If the target is running, we allow only a limited set of
commands. */
- if (event_loop_p && target_can_async_p () && target_executing)
- if (!strcmp (c->name, "help")
- && !strcmp (c->name, "pwd")
- && !strcmp (c->name, "show")
- && !strcmp (c->name, "stop"))
- error ("Cannot execute this command while the target is running.");
+ if (target_can_async_p () && target_executing)
+ if (strcmp (c->name, "help") != 0
+ && strcmp (c->name, "pwd") != 0
+ && strcmp (c->name, "show") != 0
+ && strcmp (c->name, "stop") != 0)
+ error (_("Cannot execute this command while the target is running."));
/* Pass null arg rather than an empty one. */
arg = *p ? p : 0;
- /* Clear off trailing whitespace, except for set and complete command. */
+ /* FIXME: cagney/2002-02-02: The c->type test is pretty dodgy
+ while the is_complete_command(cfunc) test is just plain
+ bogus. They should both be replaced by a test of the form
+ c->strip_trailing_white_space_p. */
+ /* NOTE: cagney/2002-02-02: The function.cfunc in the below
+ can't be replaced with func. This is because it is the
+ cfunc, and not the func, that has the value that the
+ is_complete_command hack is testing for. */
+ /* Clear off trailing whitespace, except for set and complete
+ command. */
if (arg
&& c->type != set_cmd
- && !is_complete_command (c->function.cfunc))
+ && !is_complete_command (c))
{
p = arg + strlen (arg) - 1;
while (p >= arg && (*p == ' ' || *p == '\t'))
}
/* If this command has been pre-hooked, run the hook first. */
- if ((c->hook_pre) && (!c->hook_in))
- {
- c->hook_in = 1; /* Prevent recursive hooking */
- execute_user_command (c->hook_pre, (char *) 0);
- c->hook_in = 0; /* Allow hook to work again once it is complete */
- }
+ execute_cmd_pre_hook (c);
if (c->flags & DEPRECATED_WARN_USER)
deprecated_cmd_warning (&line);
execute_user_command (c, arg);
else if (c->type == set_cmd || c->type == show_cmd)
do_setshow_command (arg, from_tty & caution, c);
- else if (c->function.cfunc == NO_FUNCTION)
- error ("That is not a command, just a help topic.");
- else if (call_command_hook)
- call_command_hook (c, arg, from_tty & caution);
+ else if (!cmd_func_p (c))
+ error (_("That is not a command, just a help topic."));
+ else if (deprecated_call_command_hook)
+ deprecated_call_command_hook (c, arg, from_tty & caution);
else
- (*c->function.cfunc) (arg, from_tty & caution);
+ cmd_func (c, arg, from_tty & caution);
/* If this command has been post-hooked, run the hook last. */
- if ((c->hook_post) && (!c->hook_in))
- {
- c->hook_in = 1; /* Prevent recursive hooking */
- execute_user_command (c->hook_post, (char *) 0);
- c->hook_in = 0; /* allow hook to work again once it is complete */
- }
+ execute_cmd_post_hook (c);
}
if (display_space)
{
#ifdef HAVE_SBRK
- extern char **environ;
char *lim = (char *) sbrk (0);
-
- space_at_cmd_start = (long) (lim - (char *) &environ);
+ space_at_cmd_start = lim - lim_at_start;
#endif
}
{
long cmd_time = get_run_time () - time_at_cmd_start;
- printf_unfiltered ("Command execution time: %ld.%06ld\n",
+ printf_unfiltered (_("Command execution time: %ld.%06ld\n"),
cmd_time / 1000000, cmd_time % 1000000);
}
if (display_space)
{
#ifdef HAVE_SBRK
- extern char **environ;
char *lim = (char *) sbrk (0);
- long space_now = lim - (char *) &environ;
+ long space_now = lim - lim_at_start;
long space_diff = space_now - space_at_cmd_start;
- printf_unfiltered ("Space used: %ld (%c%ld for this command)\n",
+ printf_unfiltered (_("Space used: %ld (%s%ld for this command)\n"),
space_now,
- (space_diff >= 0 ? '+' : '-'),
+ (space_diff >= 0 ? "+" : ""),
space_diff);
#endif
}
character position to be off, since the newline we read from
the user is not accounted for. */
fputs_unfiltered (prompt_arg, gdb_stdout);
- /* OBSOLETE #ifdef MPW */
- /* OBSOLETE Move to a new line so the entered line doesn't have a prompt */
- /* OBSOLETE on the front of it. */
- /* OBSOLETE fputs_unfiltered ("\n", gdb_stdout); */
- /* OBSOLETE #endif *//* MPW */
gdb_flush (gdb_stdout);
}
}
if (c == '\n')
-#ifndef CRLF_SOURCE_FILES
- break;
-#else
{
if (input_index > 0 && result[input_index - 1] == '\r')
input_index--;
break;
}
-#endif
result[input_index++] = c;
while (input_index >= result_size)
substitution. These variables are given default values at the end
of this file. */
static int command_editing_p;
+
/* NOTE 1999-04-29: This variable will be static again, once we modify
gdb to use the event loop as the default command loop and we merge
event-top.c into this file, top.c */
+
/* static */ int history_expansion_p;
+
static int write_history_p;
+static void
+show_write_history_p (struct ui_file *file, int from_tty,
+ struct cmd_list_element *c, const char *value)
+{
+ fprintf_filtered (file, _("Saving of the history record on exit is %s.\n"),
+ value);
+}
+
static int history_size;
+static void
+show_history_size (struct ui_file *file, int from_tty,
+ struct cmd_list_element *c, const char *value)
+{
+ fprintf_filtered (file, _("The size of the command history is %s.\n"),
+ value);
+}
+
static char *history_filename;
+static void
+show_history_filename (struct ui_file *file, int from_tty,
+ struct cmd_list_element *c, const char *value)
+{
+ fprintf_filtered (file, _("\
+The filename in which to record the command history is \"%s\".\n"),
+ value);
+}
+
+/* This is like readline(), but it has some gdb-specific behavior.
+ gdb may want readline in both the synchronous and async modes during
+ a single gdb invocation. At the ordinary top-level prompt we might
+ be using the async readline. That means we can't use
+ rl_pre_input_hook, since it doesn't work properly in async mode.
+ However, for a secondary prompt (" >", such as occurs during a
+ `define'), gdb wants a synchronous response.
+
+ We used to call readline() directly, running it in synchronous
+ mode. But mixing modes this way is not supported, and as of
+ readline 5.x it no longer works; the arrow keys come unbound during
+ the synchronous call. So we make a nested call into the event
+ loop. That's what gdb_readline_wrapper is for. */
+
+/* A flag set as soon as gdb_readline_wrapper_line is called; we can't
+ rely on gdb_readline_wrapper_result, which might still be NULL if
+ the user types Control-D for EOF. */
+static int gdb_readline_wrapper_done;
+
+/* The result of the current call to gdb_readline_wrapper, once a newline
+ is seen. */
+static char *gdb_readline_wrapper_result;
+
+/* Any intercepted hook. Operate-and-get-next sets this, expecting it
+ to be called after the newline is processed (which will redisplay
+ the prompt). But in gdb_readline_wrapper we will not get a new
+ prompt until the next call, or until we return to the event loop.
+ So we disable this hook around the newline and restore it before we
+ return. */
+static void (*saved_after_char_processing_hook) (void);
+
+/* This function is called when readline has seen a complete line of
+ text. */
+
+static void
+gdb_readline_wrapper_line (char *line)
+{
+ gdb_assert (!gdb_readline_wrapper_done);
+ gdb_readline_wrapper_result = line;
+ gdb_readline_wrapper_done = 1;
+
+ /* Prevent operate-and-get-next from acting too early. */
+ saved_after_char_processing_hook = after_char_processing_hook;
+ after_char_processing_hook = NULL;
+
+ /* Prevent parts of the prompt from being redisplayed if annotations
+ are enabled, and readline's state getting out of sync. */
+ if (async_command_editing_p)
+ rl_callback_handler_remove ();
+}
+
+struct gdb_readline_wrapper_cleanup
+ {
+ void (*handler_orig) (char *);
+ int already_prompted_orig;
+ };
+
+static void
+gdb_readline_wrapper_cleanup (void *arg)
+{
+ struct gdb_readline_wrapper_cleanup *cleanup = arg;
+
+ rl_already_prompted = cleanup->already_prompted_orig;
+
+ gdb_assert (input_handler == gdb_readline_wrapper_line);
+ input_handler = cleanup->handler_orig;
+ gdb_readline_wrapper_result = NULL;
+ gdb_readline_wrapper_done = 0;
+
+ after_char_processing_hook = saved_after_char_processing_hook;
+ saved_after_char_processing_hook = NULL;
+
+ xfree (cleanup);
+}
+
+char *
+gdb_readline_wrapper (char *prompt)
+{
+ struct cleanup *back_to;
+ struct gdb_readline_wrapper_cleanup *cleanup;
+ char *retval;
+
+ cleanup = xmalloc (sizeof (*cleanup));
+ cleanup->handler_orig = input_handler;
+ input_handler = gdb_readline_wrapper_line;
+
+ cleanup->already_prompted_orig = rl_already_prompted;
+
+ back_to = make_cleanup (gdb_readline_wrapper_cleanup, cleanup);
+
+ /* Display our prompt and prevent double prompt display. */
+ display_gdb_prompt (prompt);
+ rl_already_prompted = 1;
+
+ if (after_char_processing_hook)
+ (*after_char_processing_hook) ();
+ gdb_assert (after_char_processing_hook == NULL);
+
+ /* gdb_do_one_event argument is unused. */
+ while (gdb_do_one_event (NULL) >= 0)
+ if (gdb_readline_wrapper_done)
+ break;
+
+ retval = gdb_readline_wrapper_result;
+ do_cleanups (back_to);
+ return retval;
+}
\f
#ifdef STOP_SIGNAL
/* This message is based on ANSI C, section 4.7. Note that integer
divide by zero causes this, so "float" is a misnomer. */
signal (SIGFPE, float_handler);
- error ("Erroneous arithmetic operation.");
+ error (_("Erroneous arithmetic operation."));
}
static void
signal (signo, do_nothing);
}
+/* The current saved history number from operate-and-get-next.
+ This is -1 if not valid. */
+static int operate_saved_history = -1;
+
+/* This is put on the appropriate hook and helps operate-and-get-next
+ do its work. */
static void
-init_signals (void)
+gdb_rl_operate_and_get_next_completion (void)
{
- signal (SIGINT, request_quit);
+ int delta = where_history () - operate_saved_history;
+ /* The `key' argument to rl_get_previous_history is ignored. */
+ rl_get_previous_history (delta, 0);
+ operate_saved_history = -1;
- /* If SIGTRAP was set to SIG_IGN, then the SIG_IGN will get passed
- to the inferior and breakpoints will be ignored. */
-#ifdef SIGTRAP
- signal (SIGTRAP, SIG_DFL);
-#endif
+ /* readline doesn't automatically update the display for us. */
+ rl_redisplay ();
- /* If we initialize SIGQUIT to SIG_IGN, then the SIG_IGN will get
- passed to the inferior, which we don't want. It would be
- possible to do a "signal (SIGQUIT, SIG_DFL)" after we fork, but
- on BSD4.3 systems using vfork, that can affect the
- GDB process as well as the inferior (the signal handling tables
- might be in memory, shared between the two). Since we establish
- a handler for SIGQUIT, when we call exec it will set the signal
- to SIG_DFL for us. */
- signal (SIGQUIT, do_nothing);
-#ifdef SIGHUP
- if (signal (SIGHUP, do_nothing) != SIG_IGN)
- signal (SIGHUP, disconnect);
-#endif
- signal (SIGFPE, float_handler);
+ after_char_processing_hook = NULL;
+ rl_pre_input_hook = NULL;
+}
-#if defined(SIGWINCH) && defined(SIGWINCH_HANDLER)
- signal (SIGWINCH, SIGWINCH_HANDLER);
-#endif
+/* This is a gdb-local readline command handler. It accepts the
+ current command line (like RET does) and, if this command was taken
+ from the history, arranges for the next command in the history to
+ appear on the command line when the prompt returns.
+ We ignore the arguments. */
+static int
+gdb_rl_operate_and_get_next (int count, int key)
+{
+ int where;
+
+ /* Use the async hook. */
+ after_char_processing_hook = gdb_rl_operate_and_get_next_completion;
+
+ /* Find the current line, and find the next line to use. */
+ where = where_history();
+
+ /* FIXME: kettenis/20020817: max_input_history is renamed into
+ history_max_entries in readline-4.2. When we do a new readline
+ import, we should probably change it here too, even though
+ readline maintains backwards compatibility for now by still
+ defining max_input_history. */
+ if ((history_is_stifled () && (history_length >= max_input_history)) ||
+ (where >= history_length - 1))
+ operate_saved_history = where;
+ else
+ operate_saved_history = where + 1;
+
+ return rl_newline (1, key);
}
\f
/* Read one line from the command input stream `instream'
{
static char *linebuffer = 0;
static unsigned linelength = 0;
- register char *p;
+ char *p;
char *p1;
char *rl;
char *local_prompt = prompt_arg;
immediate_quit++;
#ifdef STOP_SIGNAL
if (job_control)
- {
- if (event_loop_p)
- signal (STOP_SIGNAL, handle_stop_sig);
- else
- signal (STOP_SIGNAL, stop_sig);
- }
+ signal (STOP_SIGNAL, handle_stop_sig);
#endif
while (1)
gdb_flush (gdb_stderr);
if (source_file_name != NULL)
- {
- ++source_line_number;
- sprintf (source_error,
- "%s%s:%d: Error in sourced command file:\n",
- source_pre_error,
- source_file_name,
- source_line_number);
- error_pre_print = source_error;
- }
+ ++source_line_number;
if (annotation_level > 1 && instream == stdin)
{
- printf_unfiltered ("\n\032\032pre-");
- printf_unfiltered (annotation_suffix);
- printf_unfiltered ("\n");
+ puts_unfiltered ("\n\032\032pre-");
+ puts_unfiltered (annotation_suffix);
+ puts_unfiltered ("\n");
}
/* Don't use fancy stuff if not talking to stdin. */
- if (readline_hook && instream == NULL)
+ if (deprecated_readline_hook && input_from_terminal_p ())
{
- rl = (*readline_hook) (local_prompt);
+ rl = (*deprecated_readline_hook) (local_prompt);
}
- else if (command_editing_p && instream == stdin && ISATTY (instream))
+ else if (command_editing_p && input_from_terminal_p ())
{
- rl = readline (local_prompt);
+ rl = gdb_readline_wrapper (local_prompt);
}
else
{
if (annotation_level > 1 && instream == stdin)
{
- printf_unfiltered ("\n\032\032post-");
- printf_unfiltered (annotation_suffix);
- printf_unfiltered ("\n");
+ puts_unfiltered ("\n\032\032post-");
+ puts_unfiltered (annotation_suffix);
+ puts_unfiltered ("\n");
}
if (!rl || rl == (char *) EOF)
#define SERVER_COMMAND_LENGTH 7
server_command =
(p - linebuffer > SERVER_COMMAND_LENGTH)
- && STREQN (linebuffer, "server ", SERVER_COMMAND_LENGTH);
+ && strncmp (linebuffer, "server ", SERVER_COMMAND_LENGTH) == 0;
if (server_command)
{
/* Note that we don't set `line'. Between this and the check in
}
strcpy (linebuffer, history_value);
p = linebuffer + strlen (linebuffer);
- xfree (history_value);
}
+ xfree (history_value);
}
/* If we just got an empty line, and that is supposed
program to parse, and is just canonical program name and version
number, which starts after last space. */
-#ifdef MI_OUT
- /* Print it console style until a format is defined */
- fprintf_filtered (stream, "GNU gdb %s (MI_OUT)\n", version);
-#else
fprintf_filtered (stream, "GNU gdb %s\n", version);
-#endif
/* Second line is a copyright notice. */
- fprintf_filtered (stream, "Copyright 2001 Free Software Foundation, Inc.\n");
+ fprintf_filtered (stream, "Copyright (C) 2008 Free Software Foundation, Inc.\n");
/* Following the copyright is a brief statement that the program is
free software, that users are free to copy and change it on
there is no warranty. */
fprintf_filtered (stream, "\
-GDB is free software, covered by the GNU General Public License, and you are\n\
-welcome to change it and/or distribute copies of it under certain conditions.\n\
-Type \"show copying\" to see the conditions.\n\
-There is absolutely no warranty for GDB. Type \"show warranty\" for details.\n");
+License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>\n\
+This is free software: you are free to change and redistribute it.\n\
+There is NO WARRANTY, to the extent permitted by law. Type \"show copying\"\n\
+and \"show warranty\" for details.\n");
/* After the required info we print the configuration information. */
fprintf_filtered (stream, "This GDB was configured as \"");
- if (!STREQ (host_name, target_name))
+ if (strcmp (host_name, target_name) != 0)
{
fprintf_filtered (stream, "--host=%s --target=%s", host_name, target_name);
}
\f
/* get_prompt: access method for the GDB prompt string. */
-#define MAX_PROMPT_SIZE 256
-
-/*
- * int get_prompt_1 (char * buf);
- *
- * Work-horse for get_prompt (called via catch_errors).
- * Argument is buffer to hold the formatted prompt.
- *
- * Returns: 1 for success (use formatted prompt)
- * 0 for failure (use gdb_prompt_string).
- */
-
-static int gdb_prompt_escape;
-
-static int
-get_prompt_1 (void *data)
-{
- char *formatted_prompt = data;
- char *local_prompt;
-
- if (event_loop_p)
- local_prompt = PROMPT (0);
- else
- local_prompt = gdb_prompt_string;
-
-
- if (gdb_prompt_escape == 0)
- {
- return 0; /* do no formatting */
- }
- else
- /* formatted prompt */
- {
- char fmt[40], *promptp, *outp, *tmp;
- value_ptr arg_val;
- DOUBLEST doubleval;
- LONGEST longval;
- CORE_ADDR addrval;
-
- int i, len;
- struct type *arg_type, *elt_type;
-
- promptp = local_prompt;
- outp = formatted_prompt;
-
- while (*promptp != '\0')
- {
- int available = MAX_PROMPT_SIZE - (outp - formatted_prompt) - 1;
-
- if (*promptp != gdb_prompt_escape)
- {
- if (available >= 1) /* overflow protect */
- *outp++ = *promptp++;
- }
- else
- {
- /* GDB prompt string contains escape char. Parse for arg.
- Two consecutive escape chars followed by arg followed by
- a comma means to insert the arg using a default format.
- Otherwise a printf format string may be included between
- the two escape chars. eg:
- %%foo, insert foo using default format
- %2.2f%foo, insert foo using "%2.2f" format
- A mismatch between the format string and the data type
- of "foo" is an error (which we don't know how to protect
- against). */
-
- fmt[0] = '\0'; /* assume null format string */
- if (promptp[1] == gdb_prompt_escape) /* double esc char */
- {
- promptp += 2; /* skip past two escape chars. */
- }
- else
- {
- /* extract format string from between two esc chars */
- i = 0;
- do
- {
- fmt[i++] = *promptp++; /* copy format string */
- }
- while (i < sizeof (fmt) - 1 &&
- *promptp != gdb_prompt_escape &&
- *promptp != '\0');
-
- if (*promptp != gdb_prompt_escape)
- error ("Syntax error at prompt position %d",
- promptp - local_prompt);
- else
- {
- promptp++; /* skip second escape char */
- fmt[i++] = '\0'; /* terminate the format string */
- }
- }
-
- arg_val = parse_to_comma_and_eval (&promptp);
- if (*promptp == ',')
- promptp++; /* skip past the comma */
- arg_type = check_typedef (VALUE_TYPE (arg_val));
- switch (TYPE_CODE (arg_type))
- {
- case TYPE_CODE_ARRAY:
- elt_type = check_typedef (TYPE_TARGET_TYPE (arg_type));
- if (TYPE_LENGTH (arg_type) > 0 &&
- TYPE_LENGTH (elt_type) == 1 &&
- TYPE_CODE (elt_type) == TYPE_CODE_INT)
- {
- int len = TYPE_LENGTH (arg_type);
-
- if (VALUE_LAZY (arg_val))
- value_fetch_lazy (arg_val);
- tmp = VALUE_CONTENTS (arg_val);
-
- if (len > available)
- len = available; /* overflow protect */
-
- /* FIXME: how to protect GDB from crashing
- from bad user-supplied format string? */
- if (fmt[0] != 0)
- sprintf (outp, fmt, tmp);
- else
- strncpy (outp, tmp, len);
- outp[len] = '\0';
- }
- break;
- case TYPE_CODE_PTR:
- elt_type = check_typedef (TYPE_TARGET_TYPE (arg_type));
- addrval = value_as_pointer (arg_val);
-
- if (TYPE_LENGTH (elt_type) == 1 &&
- TYPE_CODE (elt_type) == TYPE_CODE_INT &&
- addrval != 0)
- {
- /* display it as a string */
- char *default_fmt = "%s";
- char *tmp;
- int err = 0;
-
- /* Limiting the number of bytes that the following call
- will read protects us from sprintf overflow later. */
- i = target_read_string (addrval, /* src */
- &tmp, /* dest */
- available, /* len */
- &err);
- if (err) /* read failed */
- error ("%s on target_read", safe_strerror (err));
-
- tmp[i] = '\0'; /* force-terminate string */
- /* FIXME: how to protect GDB from crashing
- from bad user-supplied format string? */
- sprintf (outp, fmt[0] == 0 ? default_fmt : fmt,
- tmp);
- xfree (tmp);
- }
- else
- {
- /* display it as a pointer */
- char *default_fmt = "0x%x";
-
- /* FIXME: how to protect GDB from crashing
- from bad user-supplied format string? */
- if (available >= 16 /*? */ ) /* overflow protect */
- sprintf (outp, fmt[0] == 0 ? default_fmt : fmt,
- (long) addrval);
- }
- break;
- case TYPE_CODE_FLT:
- {
- char *default_fmt = "%g";
-
- doubleval = value_as_double (arg_val);
- /* FIXME: how to protect GDB from crashing
- from bad user-supplied format string? */
- if (available >= 16 /*? */ ) /* overflow protect */
- sprintf (outp, fmt[0] == 0 ? default_fmt : fmt,
- (double) doubleval);
- break;
- }
- case TYPE_CODE_INT:
- {
- char *default_fmt = "%d";
-
- longval = value_as_long (arg_val);
- /* FIXME: how to protect GDB from crashing
- from bad user-supplied format string? */
- if (available >= 16 /*? */ ) /* overflow protect */
- sprintf (outp, fmt[0] == 0 ? default_fmt : fmt,
- (long) longval);
- break;
- }
- case TYPE_CODE_BOOL:
- {
- /* no default format for bool */
- longval = value_as_long (arg_val);
- if (available >= 8 /*? */ ) /* overflow protect */
- {
- if (longval)
- strcpy (outp, "<true>");
- else
- strcpy (outp, "<false>");
- }
- break;
- }
- case TYPE_CODE_ENUM:
- {
- /* no default format for enum */
- longval = value_as_long (arg_val);
- len = TYPE_NFIELDS (arg_type);
- /* find enum name if possible */
- for (i = 0; i < len; i++)
- if (TYPE_FIELD_BITPOS (arg_type, i) == longval)
- break; /* match -- end loop */
-
- if (i < len) /* enum name found */
- {
- char *name = TYPE_FIELD_NAME (arg_type, i);
-
- strncpy (outp, name, available);
- /* in casel available < strlen (name), */
- outp[available] = '\0';
- }
- else
- {
- if (available >= 16 /*? */ ) /* overflow protect */
- sprintf (outp, "%ld", (long) longval);
- }
- break;
- }
- case TYPE_CODE_VOID:
- *outp = '\0';
- break; /* void type -- no output */
- default:
- error ("bad data type at prompt position %d",
- promptp - local_prompt);
- break;
- }
- outp += strlen (outp);
- }
- }
- *outp++ = '\0'; /* terminate prompt string */
- return 1;
- }
-}
-
char *
get_prompt (void)
{
- static char buf[MAX_PROMPT_SIZE];
-
- if (catch_errors (get_prompt_1, buf, "bad formatted prompt: ",
- RETURN_MASK_ALL))
- {
- return &buf[0]; /* successful formatted prompt */
- }
- else
- {
- /* Prompt could not be formatted. */
- if (event_loop_p)
- return PROMPT (0);
- else
- return gdb_prompt_string;
- }
+ return PROMPT (0);
}
void
if (prompt != NULL)
xfree (prompt);
*/
- if (event_loop_p)
- PROMPT (0) = savestring (s, strlen (s));
- else
- gdb_prompt_string = savestring (s, strlen (s));
+ PROMPT (0) = savestring (s, strlen (s));
}
\f
/* This is something of a hack. But there's no reliable way to
see if a GUI is running. The `use_windows' variable doesn't
cut it. */
- if (init_ui_hook)
+ if (deprecated_init_ui_hook)
s = "A debugging session is active.\nDo you still want to close the debugger?";
else if (attach_flag)
s = "The program is running. Quit anyway (and detach it)? ";
else
s = "The program is running. Exit anyway? ";
- if (!query (s))
+ if (!query ("%s", s))
return 0;
}
return 1;
}
-/* Quit without asking for confirmation. */
+/* Helper routine for quit_force that requires error handling. */
-void
-quit_force (char *args, int from_tty)
+struct qt_args
{
- int exit_code = 0;
-
- /* An optional expression may be used to cause gdb to terminate with the
- value of that expression. */
- if (args)
- {
- value_ptr val = parse_and_eval (args);
+ char *args;
+ int from_tty;
+};
- exit_code = (int) value_as_long (val);
- }
+static int
+quit_target (void *arg)
+{
+ struct qt_args *qt = (struct qt_args *)arg;
if (! ptid_equal (inferior_ptid, null_ptid) && target_has_execution)
{
if (attach_flag)
- target_detach (args, from_tty);
+ target_detach (qt->args, qt->from_tty);
else
- target_kill ();
+ target_kill ();
}
/* UDI wants this, to kill the TIP. */
- target_close (1);
+ target_close (¤t_target, 1);
/* Save the history information if it is appropriate to do so. */
if (write_history_p && history_filename)
do_final_cleanups (ALL_CLEANUPS); /* Do any final cleanups before exiting */
+ return 0;
+}
+
+/* Quit without asking for confirmation. */
+
+void
+quit_force (char *args, int from_tty)
+{
+ int exit_code = 0;
+ struct qt_args qt;
+
+ /* An optional expression may be used to cause gdb to terminate with the
+ value of that expression. */
+ if (args)
+ {
+ struct value *val = parse_and_eval (args);
+
+ exit_code = (int) value_as_long (val);
+ }
+ else if (return_child_result)
+ exit_code = return_child_result_value;
+
+ qt.args = args;
+ qt.from_tty = from_tty;
+
+ /* We want to handle any quit errors and exit regardless. */
+ catch_errors (quit_target, &qt,
+ "Quitting: ", RETURN_MASK_ALL);
+
exit (exit_code);
}
-/* Returns whether GDB is running on a terminal and whether the user
- desires that questions be asked of them on that terminal. */
+/* Returns whether GDB is running on a terminal and input is
+ currently coming from that terminal. */
int
input_from_terminal_p (void)
{
- return gdb_has_a_terminal () && (instream == stdin) & caution;
+ if (gdb_has_a_terminal () && instream == stdin)
+ return 1;
+
+ /* If INSTREAM is unset, and we are not in a user command, we
+ must be in Insight. That's like having a terminal, for our
+ purposes. */
+ if (instream == NULL && !in_user_command)
+ return 1;
+
+ return 0;
}
\f
-/* ARGSUSED */
static void
dont_repeat_command (char *ignored, int from_tty)
{
}
/* Called by do_setshow_command. */
-/* ARGSUSED */
static void
set_history_size_command (char *args, int from_tty, struct cmd_list_element *c)
{
else
{
history_size = INT_MAX;
- error ("History size must be non-negative");
+ error (_("History size must be non-negative"));
}
}
-/* ARGSUSED */
void
set_history (char *args, int from_tty)
{
- printf_unfiltered ("\"set history\" must be followed by the name of a history subcommand.\n");
+ printf_unfiltered (_("\"set history\" must be followed by the name of a history subcommand.\n"));
help_list (sethistlist, "set history ", -1, gdb_stdout);
}
-/* ARGSUSED */
void
show_history (char *args, int from_tty)
{
int info_verbose = 0; /* Default verbose msgs off */
/* Called by do_setshow_command. An elaborate joke. */
-/* ARGSUSED */
void
set_verbose (char *args, int from_tty, struct cmd_list_element *c)
{
that was read. */
#ifdef __MSDOS__
/* No leading dots in file names are allowed on MSDOS. */
- history_filename = concat (current_directory, "/_gdb_history", NULL);
+ history_filename = concat (current_directory, "/_gdb_history",
+ (char *)NULL);
#else
- history_filename = concat (current_directory, "/.gdb_history", NULL);
+ history_filename = concat (current_directory, "/.gdb_history",
+ (char *)NULL);
#endif
}
read_history (history_filename);
}
+static void
+show_new_async_prompt (struct ui_file *file, int from_tty,
+ struct cmd_list_element *c, const char *value)
+{
+ fprintf_filtered (file, _("Gdb's prompt is \"%s\".\n"), value);
+}
+
+static void
+show_async_command_editing_p (struct ui_file *file, int from_tty,
+ struct cmd_list_element *c, const char *value)
+{
+ fprintf_filtered (file, _("\
+Editing of command lines as they are typed is %s.\n"),
+ value);
+}
+
+static void
+show_annotation_level (struct ui_file *file, int from_tty,
+ struct cmd_list_element *c, const char *value)
+{
+ fprintf_filtered (file, _("Annotation_level is %s.\n"), value);
+}
+
+static void
+show_exec_done_display_p (struct ui_file *file, int from_tty,
+ struct cmd_list_element *c, const char *value)
+{
+ fprintf_filtered (file, _("\
+Notification of completion for asynchronous execution commands is %s.\n"),
+ value);
+}
static void
init_main (void)
{
struct cmd_list_element *c;
- /* If we are running the asynchronous version,
- we initialize the prompts differently. */
- if (!event_loop_p)
- {
- gdb_prompt_string = savestring (DEFAULT_PROMPT, strlen (DEFAULT_PROMPT));
- }
- else
- {
- /* initialize the prompt stack to a simple "(gdb) " prompt or to
- whatever the DEFAULT_PROMPT is. */
- the_prompts.top = 0;
- PREFIX (0) = "";
- PROMPT (0) = savestring (DEFAULT_PROMPT, strlen (DEFAULT_PROMPT));
- SUFFIX (0) = "";
- /* Set things up for annotation_level > 1, if the user ever decides
- to use it. */
- async_annotation_suffix = "prompt";
- /* Set the variable associated with the setshow prompt command. */
- new_async_prompt = savestring (PROMPT (0), strlen (PROMPT (0)));
-
- /* If gdb was started with --annotate=2, this is equivalent to
- the user entering the command 'set annotate 2' at the gdb
- prompt, so we need to do extra processing. */
- if (annotation_level > 1)
- set_async_annotation_level (NULL, 0, NULL);
- }
- gdb_prompt_escape = 0; /* default to none. */
+ /* initialize the prompt stack to a simple "(gdb) " prompt or to
+ whatever the DEFAULT_PROMPT is. */
+ the_prompts.top = 0;
+ PREFIX (0) = "";
+ PROMPT (0) = savestring (DEFAULT_PROMPT, strlen (DEFAULT_PROMPT));
+ SUFFIX (0) = "";
+ /* Set things up for annotation_level > 1, if the user ever decides
+ to use it. */
+ async_annotation_suffix = "prompt";
+ /* Set the variable associated with the setshow prompt command. */
+ new_async_prompt = savestring (PROMPT (0), strlen (PROMPT (0)));
+
+ /* If gdb was started with --annotate=2, this is equivalent to the
+ user entering the command 'set annotate 2' at the gdb prompt, so
+ we need to do extra processing. */
+ if (annotation_level > 1)
+ set_async_annotation_level (NULL, 0, NULL);
/* Set the important stuff up for command editing. */
command_editing_p = 1;
write_history_p = 0;
/* Setup important stuff for command line editing. */
- rl_completion_entry_function = (int (*)()) readline_line_completion_function;
- rl_completer_word_break_characters =
- get_gdb_completer_word_break_characters ();
+ rl_completion_entry_function = readline_line_completion_function;
+ rl_completer_word_break_characters = default_word_break_characters ();
rl_completer_quote_characters = get_gdb_completer_quote_characters ();
rl_readline_name = "gdb";
-
- /* The set prompt command is different depending whether or not the
- async version is run. NOTE: this difference is going to
- disappear as we make the event loop be the default engine of
- gdb. */
- if (!event_loop_p)
- {
- add_show_from_set
- (add_set_cmd ("prompt", class_support, var_string,
- (char *) &gdb_prompt_string, "Set gdb's prompt",
- &setlist),
- &showlist);
- }
- else
- {
- c = add_set_cmd ("prompt", class_support, var_string,
- (char *) &new_async_prompt, "Set gdb's prompt",
- &setlist);
- add_show_from_set (c, &showlist);
- c->function.sfunc = set_async_prompt;
- }
-
- add_show_from_set
- (add_set_cmd ("prompt-escape-char", class_support, var_zinteger,
- (char *) &gdb_prompt_escape,
- "Set escape character for formatting of gdb's prompt",
- &setlist),
- &showlist);
-
- add_com ("dont-repeat", class_support, dont_repeat_command, "Don't repeat this command.\n\
+ rl_terminal_name = getenv ("TERM");
+
+ /* The name for this defun comes from Bash, where it originated.
+ 15 is Control-o, the same binding this function has in Bash. */
+ rl_add_defun ("operate-and-get-next", gdb_rl_operate_and_get_next, 15);
+
+ add_setshow_string_cmd ("prompt", class_support,
+ &new_async_prompt, _("\
+Set gdb's prompt"), _("\
+Show gdb's prompt"), NULL,
+ set_async_prompt,
+ show_new_async_prompt,
+ &setlist, &showlist);
+
+ add_com ("dont-repeat", class_support, dont_repeat_command, _("\
+Don't repeat this command.\n\
Primarily used inside of user-defined commands that should not be repeated when\n\
-hitting return.");
+hitting return."));
- /* The set editing command is different depending whether or not the
- async version is run. NOTE: this difference is going to disappear
- as we make the event loop be the default engine of gdb. */
- if (!event_loop_p)
- {
- add_show_from_set
- (add_set_cmd ("editing", class_support, var_boolean, (char *) &command_editing_p,
- "Set editing of command lines as they are typed.\n\
+ add_setshow_boolean_cmd ("editing", class_support,
+ &async_command_editing_p, _("\
+Set editing of command lines as they are typed."), _("\
+Show editing of command lines as they are typed."), _("\
Use \"on\" to enable the editing, and \"off\" to disable it.\n\
Without an argument, command line editing is enabled. To edit, use\n\
-EMACS-like or VI-like commands like control-P or ESC.", &setlist),
- &showlist);
- }
- else
- {
- c = add_set_cmd ("editing", class_support, var_boolean, (char *) &async_command_editing_p,
- "Set editing of command lines as they are typed.\n\
-Use \"on\" to enable the editing, and \"off\" to disable it.\n\
-Without an argument, command line editing is enabled. To edit, use\n\
-EMACS-like or VI-like commands like control-P or ESC.", &setlist);
-
- add_show_from_set (c, &showlist);
- c->function.sfunc = set_async_editing_command;
- }
-
- add_show_from_set
- (add_set_cmd ("save", no_class, var_boolean, (char *) &write_history_p,
- "Set saving of the history record on exit.\n\
+EMACS-like or VI-like commands like control-P or ESC."),
+ set_async_editing_command,
+ show_async_command_editing_p,
+ &setlist, &showlist);
+
+ add_setshow_boolean_cmd ("save", no_class, &write_history_p, _("\
+Set saving of the history record on exit."), _("\
+Show saving of the history record on exit."), _("\
Use \"on\" to enable the saving, and \"off\" to disable it.\n\
-Without an argument, saving is enabled.", &sethistlist),
- &showhistlist);
-
- c = add_set_cmd ("size", no_class, var_integer, (char *) &history_size,
- "Set the size of the command history, \n\
-ie. the number of previous commands to keep a record of.", &sethistlist);
- add_show_from_set (c, &showhistlist);
- c->function.sfunc = set_history_size_command;
-
- c = add_set_cmd ("filename", no_class, var_filename,
- (char *) &history_filename,
- "Set the filename in which to record the command history\n\
- (the list of previous commands of which a record is kept).", &sethistlist);
- c->completer = filename_completer;
- add_show_from_set (c, &showhistlist);
-
- add_show_from_set
- (add_set_cmd ("confirm", class_support, var_boolean,
- (char *) &caution,
- "Set whether to confirm potentially dangerous operations.",
- &setlist),
- &showlist);
-
- /* The set annotate command is different depending whether or not
- the async version is run. NOTE: this difference is going to
- disappear as we make the event loop be the default engine of
- gdb. */
- if (!event_loop_p)
- {
- c = add_set_cmd ("annotate", class_obscure, var_zinteger,
- (char *) &annotation_level, "Set annotation_level.\n\
+Without an argument, saving is enabled."),
+ NULL,
+ show_write_history_p,
+ &sethistlist, &showhistlist);
+
+ add_setshow_integer_cmd ("size", no_class, &history_size, _("\
+Set the size of the command history,"), _("\
+Show the size of the command history,"), _("\
+ie. the number of previous commands to keep a record of."),
+ set_history_size_command,
+ show_history_size,
+ &sethistlist, &showhistlist);
+
+ add_setshow_filename_cmd ("filename", no_class, &history_filename, _("\
+Set the filename in which to record the command history"), _("\
+Show the filename in which to record the command history"), _("\
+(the list of previous commands of which a record is kept)."),
+ NULL,
+ show_history_filename,
+ &sethistlist, &showhistlist);
+
+ add_setshow_boolean_cmd ("confirm", class_support, &caution, _("\
+Set whether to confirm potentially dangerous operations."), _("\
+Show whether to confirm potentially dangerous operations."), NULL,
+ NULL,
+ show_caution,
+ &setlist, &showlist);
+
+ add_setshow_zinteger_cmd ("annotate", class_obscure, &annotation_level, _("\
+Set annotation_level."), _("\
+Show annotation_level."), _("\
0 == normal; 1 == fullname (for use when running under emacs)\n\
-2 == output annotated suitably for use by programs that control GDB.",
- &setlist);
- c = add_show_from_set (c, &showlist);
- }
- else
- {
- c = add_set_cmd ("annotate", class_obscure, var_zinteger,
- (char *) &annotation_level, "Set annotation_level.\n\
-0 == normal; 1 == fullname (for use when running under emacs)\n\
-2 == output annotated suitably for use by programs that control GDB.",
- &setlist);
- add_show_from_set (c, &showlist);
- c->function.sfunc = set_async_annotation_level;
- }
- if (event_loop_p)
- {
- add_show_from_set
- (add_set_cmd ("exec-done-display", class_support, var_boolean, (char *) &exec_done_display_p,
- "Set notification of completion for asynchronous execution commands.\n\
-Use \"on\" to enable the notification, and \"off\" to disable it.", &setlist),
- &showlist);
- }
+2 == output annotated suitably for use by programs that control GDB."),
+ set_async_annotation_level,
+ show_annotation_level,
+ &setlist, &showlist);
+
+ add_setshow_boolean_cmd ("exec-done-display", class_support,
+ &exec_done_display_p, _("\
+Set notification of completion for asynchronous execution commands."), _("\
+Show notification of completion for asynchronous execution commands."), _("\
+Use \"on\" to enable the notification, and \"off\" to disable it."),
+ NULL,
+ show_exec_done_display_p,
+ &setlist, &showlist);
}
void
init_cli_cmds();
init_main (); /* But that omits this file! Do it now */
- /* The signal handling mechanism is different depending whether or
- not the async version is run. NOTE: in the future we plan to make
- the event loop be the default engine of gdb, and this difference
- will disappear. */
- if (event_loop_p)
- async_init_signals ();
- else
- init_signals ();
+ initialize_stdin_serial ();
+
+ async_init_signals ();
/* We need a default language for parsing expressions, so simple things like
"set width 0" won't fail if no language is explicitly set in a config file
set_language (language_c);
expected_language = current_language; /* don't warn about the change. */
-#ifdef UI_OUT
- /* Install the default UI */
- if (!init_ui_hook)
- {
- uiout = cli_out_new (gdb_stdout);
-
- /* All the interpreters should have had a look at things by now.
- Initialize the selected interpreter. */
- if (interpreter_p)
- {
- fprintf_unfiltered (gdb_stderr, "Interpreter `%s' unrecognized.\n",
- interpreter_p);
- exit (1);
- }
- }
-#endif
-
- if (init_ui_hook)
- init_ui_hook (argv0);
+ /* Allow another UI to initialize. If the UI fails to initialize,
+ and it wants GDB to revert to the CLI, it should clear
+ deprecated_init_ui_hook. */
+ if (deprecated_init_ui_hook)
+ deprecated_init_ui_hook (argv0);
}
projects / deliverable / binutils-gdb.git / blobdiff