| /* 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" |
| |
| struct ui_out *cli_uiout; |
| |
| /* These are the ui_out and the interpreter for the console interpreter. */ |
| |
| /* Longjmp-safe wrapper for "execute_command" */ |
| static int do_captured_execute_command (struct ui_out *uiout, void *data); |
| static enum gdb_rc 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) |
| { |
| /*sync_execution = 1; */ |
| gdb_setup_readline (); |
| 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 int |
| cli_interpreter_exec (void *data, const char *command_str) |
| { |
| int result; |
| struct ui_file *old_stream; |
| |
| /* 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 int |
| 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); |
| return GDB_RC_OK; |
| } |
| |
| static enum gdb_rc |
| 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_exceptions (uiout, do_captured_execute_command, &args, |
| NULL, RETURN_MASK_ALL); |
| } |
| |
| |
| /* standard gdb initialization hook */ |
| 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); |
| } |