+2019-03-19 Tom Tromey <tromey@adacore.com>
+
+ * mi/mi-interp.c (mi_on_normal_stop_1): Only show displays once.
+ * infrun.h (print_stop_event): Add "displays" parameter.
+ * infrun.c (print_stop_event): Add "displays" parameter.
+
2019-03-19 Pedro Alves <palves@redhat.com>
* tui/tui-out.c (tui_ui_out::do_field_string): Simplify.
/* See infrun.h. */
void
-print_stop_event (struct ui_out *uiout)
+print_stop_event (struct ui_out *uiout, bool displays)
{
struct target_waitstatus last;
ptid_t last_ptid;
print_stop_location (&last);
/* Display the auto-display expressions. */
- do_displays ();
+ if (displays)
+ do_displays ();
}
tp = inferior_thread ();
/* Print current location without a level number, if we have changed
functions or hit a breakpoint. Print source line if we have one.
- If the execution command captured a return value, print it. */
+ If the execution command captured a return value, print it. If
+ DISPLAYS is false, do not call 'do_displays'. */
-extern void print_stop_event (struct ui_out *uiout);
+extern void print_stop_event (struct ui_out *uiout, bool displays = true);
/* Pretty print the results of target_wait, for debugging purposes. */
reason = tp->thread_fsm->async_reply_reason ();
mi_uiout->field_string ("reason", async_reason_lookup (reason));
}
- print_stop_event (mi_uiout);
console_interp = interp_lookup (current_ui, INTERP_CONSOLE);
- if (should_print_stop_to_console (console_interp, tp))
+ /* We only want to print the displays once, and we want it to
+ look just how it would on the console, so we use this to
+ decide whether the MI stop should include them. */
+ bool console_print = should_print_stop_to_console (console_interp, tp);
+ print_stop_event (mi_uiout, !console_print);
+
+ if (console_print)
print_stop_event (mi->cli_uiout);
mi_uiout->field_int ("thread-id", tp->global_num);
+2019-03-19 Tom Tromey <tromey@adacore.com>
+
+ * gdb.mi/mi2-cli-display.c: New file.
+ * gdb.mi/mi2-cli-display.exp: New file.
+
2019-03-18 Joel Brobecker <brobecker@adacore.com>
Tom Tromey <tromey@adacore.com>
--- /dev/null
+/* Copyright 2019 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 3 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, see <http://www.gnu.org/licenses/>. */
+
+int
+do_tests (int x)
+{
+ ++x;
+ ++x;
+ ++x;
+ ++x;
+ return x;
+}
+
+int
+main (void)
+{
+ return do_tests (23);
+}
--- /dev/null
+# Copyright 2019 Free Software Foundation, Inc.
+
+# 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 3 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, see <http://www.gnu.org/licenses/>.
+
+# Ensure that CLI "display"s aren't double-emitted in MI mode.
+
+load_lib mi-support.exp
+set MIFLAGS "-i=mi2"
+
+if {[mi_gdb_start]} {
+ continue
+}
+
+standard_testfile
+
+if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } {
+ untested "failed to compile"
+ return -1
+}
+
+mi_delete_breakpoints
+mi_gdb_reinitialize_dir $srcdir/$subdir
+mi_gdb_load ${binfile}
+
+mi_runto do_tests
+
+# A helper procedure that checks for the display and the line number,
+# and the following *stopped. X is the expected value of "x" and is
+# also used in test names.
+proc check_cli_display {x show_source} {
+ global mi_gdb_prompt
+
+ # Now check for the display and the source line. We don't check
+ # the source line too closely, since it's not really important
+ # here, but we do check that the stop happened.
+ set stop "\\*stopped,reason=.*\r\n$mi_gdb_prompt$"
+ if {$show_source} {
+ set src "~\"\[0-9\]+\[^\"\]*\\\\n\"\r\n"
+ } else {
+ set src ""
+ }
+ set display "~\"1: x = $x\\\\n\"\r\n"
+ gdb_expect {
+ -re "^${display}${src}${display}${stop}" {
+ # This case is the bug: the display is shown twice.
+ fail "check display and source line x=$x"
+ }
+ -re "^${src}${display}${stop}" {
+ verbose -log "got <<<$expect_out(buffer)>>>"
+ pass "check display and source line x=$x"
+ }
+ -re ".*\r\n$mi_gdb_prompt$" {
+ verbose -log "got <<<$expect_out(buffer)>>>"
+ fail "check display and source line x=$x (unexpected output)"
+ }
+ timeout {
+ fail "check display and source line x=$x (timeout)"
+ }
+ }
+}
+
+mi_gdb_test "display x" \
+ "&\"display x\\\\n\"\r\n~\"1: x = 23\\\\n\"\r\n\\^done" \
+ "display x"
+
+if {![mi_send_resuming_command "interpreter-exec console next" next]} {
+ pass "next"
+}
+check_cli_display 24 1
+
+# Also check that displays are shown for -exec-next.
+if {![mi_send_resuming_command exec-next exec-next]} {
+ pass "-exec-next"
+}
+check_cli_display 25 0