/* 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 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
+ 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004
+ Free Software Foundation, Inc.
This file is part of GDB.
#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 <signal.h>
#include "gdb_assert.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 "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. */
/* 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 */
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
/* 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. */
#ifndef STOP_SIGNAL
/* Hooks for alternate command interfaces. */
/* Called after most modules have been initialized, but before taking users
- command file. */
+ command file.
-void (*init_ui_hook) (char *argv0);
+ 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 (*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);
+void (*deprecated_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_registers_changed_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;
+NORETURN void (*deprecated_error_hook) (void) ATTR_NORETURN;
\f
/* One should use catch_errors rather than manipulating these
#define SIGLONGJMP(buf,val) longjmp((buf), (val))
#endif
-/* Where to go for return_to_top_level. */
+/* Where to go for throw_exception(). */
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)
+throw_exception (enum return_reason reason)
{
quit_flag = 0;
immediate_quit = 0;
/* 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 is aborted (using throw_exception() or zero if the
function returns normally. Set FUNC_VAL to the value returned by
the function or 0 if the function was aborted.
int *func_val,
enum return_reason *func_caught,
char *errstring,
+ char **gdberrmsg,
return_mask mask)
{
SIGJMP_BUF *saved_catch;
if (!caught)
val = (*func) (func_uiout, func_args);
else
- val = 0;
+ {
+ val = 0;
+ /* If caller wants a copy of the low-level error message, make one.
+ This is used in the case of a silent error whereby the caller
+ may optionally want to issue the message. */
+ if (gdberrmsg)
+ *gdberrmsg = error_last_message ();
+ }
catch_return = saved_catch;
/* FIXME: cagney/1999-11-05: A correct FUNC implementation will
/* The caller didn't request that the event be caught, relay the
event to the next containing catch_errors(). */
- return_to_top_level (caught);
+ throw_exception (caught);
}
int
{
int val;
enum return_reason caught;
- catcher (func, uiout, func_args, &val, &caught, errstring, mask);
+ catcher (func, uiout, func_args, &val, &caught, errstring, NULL, mask);
+ gdb_assert (val >= 0);
+ gdb_assert (caught <= 0);
+ if (caught < 0)
+ return caught;
+ return val;
+}
+
+int
+catch_exceptions_with_msg (struct ui_out *uiout,
+ catch_exceptions_ftype *func,
+ void *func_args,
+ char *errstring,
+ char **gdberrmsg,
+ return_mask mask)
+{
+ int val;
+ enum return_reason caught;
+ catcher (func, uiout, func_args, &val, &caught, errstring, gdberrmsg, mask);
gdb_assert (val >= 0);
gdb_assert (caught <= 0);
if (caught < 0)
void *func_args;
};
-int
+static int
do_catch_errors (struct ui_out *uiout, void *data)
{
struct catch_errors_args *args = data;
struct catch_errors_args args;
args.func = func;
args.func_args = func_args;
- catcher (do_catch_errors, uiout, &args, &val, &caught, errstring, mask);
+ catcher (do_catch_errors, uiout, &args, &val, &caught, errstring,
+ NULL, mask);
if (caught != 0)
return 0;
return val;
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 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"))
+ 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)
+ else if (!cmd_func_p (c))
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 (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
}
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",
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);
}
static int history_size;
static char *history_filename;
+/* This is like readline(), but it has some gdb-specific behavior.
+ gdb can use 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 just calls readline() directly, running it in
+ synchronous mode. So for operate-and-get-next to work in this
+ situation, we have to switch the hooks around. That is what
+ gdb_readline_wrapper is for. */
+char *
+gdb_readline_wrapper (char *prompt)
+{
+ /* Set the hook that works in this case. */
+ if (event_loop_p && after_char_processing_hook)
+ {
+ rl_pre_input_hook = (Function *) after_char_processing_hook;
+ after_char_processing_hook = NULL;
+ }
+
+ return readline (prompt);
+}
+
\f
#ifdef STOP_SIGNAL
static void
#endif
}
\f
+/* 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
+gdb_rl_operate_and_get_next_completion (void)
+{
+ 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;
+
+ /* readline doesn't automatically update the display for us. */
+ rl_redisplay ();
+
+ after_char_processing_hook = NULL;
+ rl_pre_input_hook = NULL;
+}
+
+/* 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;
+
+ if (event_loop_p)
+ {
+ /* Use the async hook. */
+ after_char_processing_hook = gdb_rl_operate_and_get_next_completion;
+ }
+ else
+ {
+ /* This hook only works correctly when we are using the
+ synchronous readline. */
+ rl_pre_input_hook = (Function *) 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'
into the local static buffer `linebuffer' (whose current length
is `linelength').
{
static char *linebuffer = 0;
static unsigned linelength = 0;
- register char *p;
+ char *p;
char *p1;
char *rl;
char *local_prompt = prompt_arg;
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 && instream == NULL)
{
- rl = (*readline_hook) (local_prompt);
+ rl = (*deprecated_readline_hook) (local_prompt);
}
else if (command_editing_p && instream == stdin && ISATTY (instream))
{
- 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
/* Second line is a copyright notice. */
- fprintf_filtered (stream, "Copyright 2001 Free Software Foundation, Inc.\n");
+ fprintf_filtered (stream, "Copyright 2004 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
/* 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_address (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 */
- }
+ if (event_loop_p)
+ return PROMPT (0);
else
- {
- /* Prompt could not be formatted. */
- if (event_loop_p)
- return PROMPT (0);
- else
- return gdb_prompt_string;
- }
+ return gdb_prompt_string;
}
void
/* 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);
+ }
+
+ 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);
}
return gdb_has_a_terminal () && (instream == stdin) & caution;
}
\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)
{
}
}
-/* ARGSUSED */
void
set_history (char *args, int from_tty)
{
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)
{
if (annotation_level > 1)
set_async_annotation_level (NULL, 0, NULL);
}
- gdb_prompt_escape = 0; /* default to none. */
/* 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";
+ 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);
/* The set prompt command is different depending whether or not the
async version is run. NOTE: this difference is going to
gdb. */
if (!event_loop_p)
{
- add_show_from_set
+ deprecated_add_show_from_set
(add_set_cmd ("prompt", class_support, var_string,
(char *) &gdb_prompt_string, "Set gdb's prompt",
&setlist),
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;
+ deprecated_add_show_from_set (c, &showlist);
+ set_cmd_sfunc (c, 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\
Primarily used inside of user-defined commands that should not be repeated when\n\
hitting return.");
as we make the event loop be the default engine of gdb. */
if (!event_loop_p)
{
- add_show_from_set
+ deprecated_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\
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;
+ deprecated_add_show_from_set (c, &showlist);
+ set_cmd_sfunc (c, set_async_editing_command);
}
- add_show_from_set
+ deprecated_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\
Use \"on\" to enable the saving, and \"off\" to disable it.\n\
&showhistlist);
c = add_set_cmd ("size", no_class, var_integer, (char *) &history_size,
- "Set the size of the command history, \n\
+ "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;
+ deprecated_add_show_from_set (c, &showhistlist);
+ set_cmd_sfunc (c, 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);
+(the list of previous commands of which a record is kept).", &sethistlist);
+ set_cmd_completer (c, filename_completer);
+ deprecated_add_show_from_set (c, &showhistlist);
- add_show_from_set
+ deprecated_add_show_from_set
(add_set_cmd ("confirm", class_support, var_boolean,
(char *) &caution,
"Set whether to confirm potentially dangerous operations.",
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);
+ c = deprecated_add_show_from_set (c, &showlist);
}
else
{
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;
+ deprecated_add_show_from_set (c, &showlist);
+ set_cmd_sfunc (c, set_async_annotation_level);
}
if (event_loop_p)
{
- add_show_from_set
+ deprecated_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),
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);
}