157 lines
4.2 KiB
C
157 lines
4.2 KiB
C
/* CLI Definitions for GDB, the GNU debugger.
|
|
|
|
Copyright 2002, 2003 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
|
|
(at your option) any later version.
|
|
|
|
This program is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with this program; if not, write to the Free Software
|
|
Foundation, Inc., 59 Temple Place - Suite 330,
|
|
Boston, MA 02111-1307, USA. */
|
|
|
|
#include "defs.h"
|
|
#include "interps.h"
|
|
#include "wrapper.h"
|
|
#include "event-top.h"
|
|
#include "ui-out.h"
|
|
#include "cli-out.h"
|
|
#include "top.h" /* for "execute_command" */
|
|
#include "gdb_string.h"
|
|
#include "exceptions.h"
|
|
|
|
struct ui_out *cli_uiout;
|
|
|
|
/* These are the ui_out and the interpreter for the console interpreter. */
|
|
|
|
/* Longjmp-safe wrapper for "execute_command" */
|
|
static struct exception safe_execute_command (struct ui_out *uiout,
|
|
char *command, int from_tty);
|
|
struct captured_execute_command_args
|
|
{
|
|
char *command;
|
|
int from_tty;
|
|
};
|
|
|
|
/* These implement the cli out interpreter: */
|
|
|
|
static void *
|
|
cli_interpreter_init (void)
|
|
{
|
|
return NULL;
|
|
}
|
|
|
|
static int
|
|
cli_interpreter_resume (void *data)
|
|
{
|
|
struct ui_file *stream;
|
|
|
|
/*sync_execution = 1; */
|
|
|
|
/* gdb_setup_readline will change gdb_stdout. If the CLI was previously
|
|
writing to gdb_stdout, then set it to the new gdb_stdout afterwards. */
|
|
|
|
stream = cli_out_set_stream (cli_uiout, gdb_stdout);
|
|
if (stream != gdb_stdout)
|
|
{
|
|
cli_out_set_stream (cli_uiout, stream);
|
|
stream = NULL;
|
|
}
|
|
|
|
gdb_setup_readline ();
|
|
|
|
if (stream != NULL)
|
|
cli_out_set_stream (cli_uiout, gdb_stdout);
|
|
|
|
return 1;
|
|
}
|
|
|
|
static int
|
|
cli_interpreter_suspend (void *data)
|
|
{
|
|
gdb_disable_readline ();
|
|
return 1;
|
|
}
|
|
|
|
/* Don't display the prompt if we are set quiet. */
|
|
static int
|
|
cli_interpreter_display_prompt_p (void *data)
|
|
{
|
|
if (interp_quiet_p (NULL))
|
|
return 0;
|
|
else
|
|
return 1;
|
|
}
|
|
|
|
static struct exception
|
|
cli_interpreter_exec (void *data, const char *command_str)
|
|
{
|
|
struct ui_file *old_stream;
|
|
struct exception result;
|
|
|
|
/* FIXME: cagney/2003-02-01: Need to const char *propogate
|
|
safe_execute_command. */
|
|
char *str = strcpy (alloca (strlen (command_str) + 1), command_str);
|
|
|
|
/* gdb_stdout could change between the time cli_uiout was initialized
|
|
and now. Since we're probably using a different interpreter which has
|
|
a new ui_file for gdb_stdout, use that one instead of the default.
|
|
|
|
It is important that it gets reset everytime, since the user could
|
|
set gdb to use a different interpreter. */
|
|
old_stream = cli_out_set_stream (cli_uiout, gdb_stdout);
|
|
result = safe_execute_command (cli_uiout, str, 1);
|
|
cli_out_set_stream (cli_uiout, old_stream);
|
|
return result;
|
|
}
|
|
|
|
static void
|
|
do_captured_execute_command (struct ui_out *uiout, void *data)
|
|
{
|
|
struct captured_execute_command_args *args =
|
|
(struct captured_execute_command_args *) data;
|
|
execute_command (args->command, args->from_tty);
|
|
}
|
|
|
|
static struct exception
|
|
safe_execute_command (struct ui_out *uiout, char *command, int from_tty)
|
|
{
|
|
struct captured_execute_command_args args;
|
|
args.command = command;
|
|
args.from_tty = from_tty;
|
|
return catch_exception (uiout, do_captured_execute_command, &args,
|
|
RETURN_MASK_ALL);
|
|
}
|
|
|
|
|
|
/* standard gdb initialization hook */
|
|
extern initialize_file_ftype _initialize_cli_interp; /* -Wmissing-prototypes */
|
|
|
|
void
|
|
_initialize_cli_interp (void)
|
|
{
|
|
static const struct interp_procs procs = {
|
|
cli_interpreter_init, /* init_proc */
|
|
cli_interpreter_resume, /* resume_proc */
|
|
cli_interpreter_suspend, /* suspend_proc */
|
|
cli_interpreter_exec, /* exec_proc */
|
|
cli_interpreter_display_prompt_p /* prompt_proc_p */
|
|
};
|
|
struct interp *cli_interp;
|
|
|
|
/* Create a default uiout builder for the CLI. */
|
|
cli_uiout = cli_out_new (gdb_stdout);
|
|
cli_interp = interp_new (INTERP_CONSOLE, NULL, cli_uiout, &procs);
|
|
|
|
interp_add (cli_interp);
|
|
}
|