binutils-gdb/gdb/testsuite/gdb.python/py-bad-printers.py
Joel Brobecker 61baf725ec update copyright year range in GDB files
This applies the second part of GDB's End of Year Procedure, which
updates the copyright year range in all of GDB's files.

gdb/ChangeLog:

        Update copyright year range in all GDB files.
2017-01-01 10:52:34 +04:00

81 lines
2.5 KiB
Python

# Copyright (C) 2008-2017 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/>.
# This file is part of the GDB testsuite. It tests GDB's handling of
# bad python pretty printers.
# Test a printer with a bad children iterator.
import re
import gdb.printing
class BadChildrenContainerPrinter1(object):
"""Children iterator doesn't return a tuple of two elements."""
def __init__(self, val):
self.val = val
def to_string(self):
return 'container %s with %d elements' % (self.val['name'], self.val['len'])
@staticmethod
def _bad_iterator(pointer, len):
start = pointer
end = pointer + len
while pointer != end:
yield 'intentional violation of children iterator protocol'
pointer += 1
def children(self):
return self._bad_iterator(self.val['elements'], self.val['len'])
class BadChildrenContainerPrinter2(object):
"""Children iterator returns a tuple of two elements with bad values."""
def __init__(self, val):
self.val = val
def to_string(self):
return 'container %s with %d elements' % (self.val['name'], self.val['len'])
@staticmethod
def _bad_iterator(pointer, len):
start = pointer
end = pointer + len
while pointer != end:
# The first argument is supposed to be a string.
yield (42, 'intentional violation of children iterator protocol')
pointer += 1
def children(self):
return self._bad_iterator(self.val['elements'], self.val['len'])
def build_pretty_printer():
pp = gdb.printing.RegexpCollectionPrettyPrinter("bad-printers")
pp.add_printer('container1', '^container$',
BadChildrenContainerPrinter1)
pp.add_printer('container2', '^container$',
BadChildrenContainerPrinter2)
return pp
my_pretty_printer = build_pretty_printer()
gdb.printing.register_pretty_printer(gdb, my_pretty_printer)