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
;
122 execute_command (args
->command
, args
->from_tty
);
125 static struct gdb_exception
126 safe_execute_command (struct ui_out
*uiout
, char *command
, int from_tty
)
128 struct gdb_exception e
;
129 struct captured_execute_command_args args
;
131 args
.command
= command
;
132 args
.from_tty
= from_tty
;
133 e
= catch_exception (uiout
, do_captured_execute_command
, &args
,
135 /* FIXME: cagney/2005-01-13: This shouldn't be needed. Instead the
136 caller should print the exception. */
137 exception_print (gdb_stderr
, e
);
142 /* Standard gdb initialization hook. */
143 extern initialize_file_ftype _initialize_cli_interp
; /* -Wmissing-prototypes */
146 _initialize_cli_interp (void)
148 static const struct interp_procs procs
= {
149 cli_interpreter_init
, /* init_proc */
150 cli_interpreter_resume
, /* resume_proc */
151 cli_interpreter_suspend
, /* suspend_proc */
152 cli_interpreter_exec
, /* exec_proc */
153 cli_interpreter_display_prompt_p
/* prompt_proc_p */
155 struct interp
*cli_interp
;
157 /* Create a default uiout builder for the CLI. */
158 cli_uiout
= cli_out_new (gdb_stdout
);
159 cli_interp
= interp_new (INTERP_CONSOLE
, NULL
, cli_uiout
, &procs
);
161 interp_add (cli_interp
);