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authorAndrew Cagney <cagney@redhat.com>2003-02-06 05:30:17 +0000
committerAndrew Cagney <cagney@redhat.com>2003-02-06 05:30:17 +0000
commit4a8f6654af815d1dc2e36a60d270f21fcb91d13e (patch)
tree3ebb7423e5e2844ee62e438eefcd82971b8a5168 /gdb/cli
parent92851186c3e3f4a246f702f1e2846ec166875982 (diff)
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Add missing files from last commit :-(
Diffstat (limited to 'gdb/cli')
-rw-r--r--gdb/cli/cli-interp.c138
1 files changed, 138 insertions, 0 deletions
diff --git a/gdb/cli/cli-interp.c b/gdb/cli/cli-interp.c
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+/* 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);
+}