binutils-gdb/gdb/testsuite/gdb.python/tui-window.py
Tom Tromey d2d1ea20ae Fix crash when TUI window creation fails
If a TUI window is written in Python, and if the window construction
function fails, then gdb will crash.  This patch fixes the crash.

gdb/ChangeLog
2020-06-16  Tom Tromey  <tom@tromey.com>

	* python/py-tui.c (tui_py_window::~tui_py_window): Handle case
	where m_window==nullptr.

gdb/testsuite/ChangeLog
2020-06-16  Tom Tromey  <tom@tromey.com>

	* gdb.python/tui-window.py (failwin): New function.  Register it
	as a TUI window type.
	* gdb.python/tui-window.exp: Create new "fail" layout.  Test it.
2020-06-16 17:48:38 -06:00

43 lines
1.3 KiB
Python

# Copyright (C) 2020 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/>.
# A TUI window implemented in Python.
import gdb
the_window = None
class TestWindow:
def __init__(self, win):
global the_window
the_window = win
self.count = 0
self.win = win
win.title = "This Is The Title"
def render(self):
self.win.erase()
w = self.win.width
h = self.win.height
self.win.write("Test: " + str(self.count) + " " + str(w) + "x" + str(h))
self.count = self.count + 1
gdb.register_window_type("test", TestWindow)
# A TUI window "constructor" that always fails.
def failwin(win):
raise RuntimeError("Whoops")
gdb.register_window_type("fail", failwin)