1 /* CLI Definitions for GDB, the GNU debugger.
3 Copyright (c) 2002, 2003, 2007, 2008, 2009, 2010
4 Free Software Foundation, Inc.
6 This file is part of GDB.
8 This program is free software; you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 3 of the License, or
11 (at your option) any later version.
13 This program is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
18 You should have received a copy of the GNU General Public License
19 along with this program. If not, see <http://www.gnu.org/licenses/>. */
24 #include "event-top.h"
27 #include "top.h" /* for "execute_command" */
28 #include "gdb_string.h"
29 #include "exceptions.h"
31 struct ui_out *cli_uiout;
33 /* These are the ui_out and the interpreter for the console interpreter. */
35 /* Longjmp-safe wrapper for "execute_command". */
36 static struct gdb_exception safe_execute_command (struct ui_out *uiout,
37 char *command, int from_tty);
38 struct captured_execute_command_args
44 /* These implement the cli out interpreter: */
47 cli_interpreter_init (int top_level)
53 cli_interpreter_resume (void *data)
55 struct ui_file *stream;
57 /*sync_execution = 1; */
59 /* gdb_setup_readline will change gdb_stdout. If the CLI was previously
60 writing to gdb_stdout, then set it to the new gdb_stdout afterwards. */
62 stream = cli_out_set_stream (cli_uiout, gdb_stdout);
63 if (stream != gdb_stdout)
65 cli_out_set_stream (cli_uiout, stream);
69 gdb_setup_readline ();
72 cli_out_set_stream (cli_uiout, gdb_stdout);
78 cli_interpreter_suspend (void *data)
80 gdb_disable_readline ();
84 /* Don't display the prompt if we are set quiet. */
86 cli_interpreter_display_prompt_p (void *data)
88 if (interp_quiet_p (NULL))
94 static struct gdb_exception
95 cli_interpreter_exec (void *data, const char *command_str)
97 struct ui_file *old_stream;
98 struct gdb_exception result;
100 /* FIXME: cagney/2003-02-01: Need to const char *propogate
101 safe_execute_command. */
102 char *str = strcpy (alloca (strlen (command_str) + 1), command_str);
104 /* gdb_stdout could change between the time cli_uiout was initialized
105 and now. Since we're probably using a different interpreter which has
106 a new ui_file for gdb_stdout, use that one instead of the default.
108 It is important that it gets reset everytime, since the user could
109 set gdb to use a different interpreter. */
110 old_stream = cli_out_set_stream (cli_uiout, gdb_stdout);
111 result = safe_execute_command (cli_uiout, str, 1);
112 cli_out_set_stream (cli_uiout, old_stream);
117 do_captured_execute_command (struct ui_out *uiout, void *data)
119 struct captured_execute_command_args *args =
120 (struct captured_execute_command_args *) data;
121 execute_command (args->command, args->from_tty);
124 static struct gdb_exception
125 safe_execute_command (struct ui_out *uiout, char *command, int from_tty)
127 struct gdb_exception e;
128 struct captured_execute_command_args args;
129 args.command = command;
130 args.from_tty = from_tty;
131 e = catch_exception (uiout, do_captured_execute_command, &args,
133 /* FIXME: cagney/2005-01-13: This shouldn't be needed. Instead the
134 caller should print the exception. */
135 exception_print (gdb_stderr, e);
140 /* Standard gdb initialization hook. */
141 extern initialize_file_ftype _initialize_cli_interp; /* -Wmissing-prototypes */
144 _initialize_cli_interp (void)
146 static const struct interp_procs procs = {
147 cli_interpreter_init, /* init_proc */
148 cli_interpreter_resume, /* resume_proc */
149 cli_interpreter_suspend, /* suspend_proc */
150 cli_interpreter_exec, /* exec_proc */
151 cli_interpreter_display_prompt_p /* prompt_proc_p */
153 struct interp *cli_interp;
155 /* Create a default uiout builder for the CLI. */
156 cli_uiout = cli_out_new (gdb_stdout);
157 cli_interp = interp_new (INTERP_CONSOLE, NULL, cli_uiout, &procs);
159 interp_add (cli_interp);