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# Copyright (C) 2014-2022 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 Python-based
# frame-filters.
import gdb
import itertools
from gdb.FrameDecorator import FrameDecorator
import copy
class Reverse_Function(FrameDecorator):
def __init__(self, fobj):
super(Reverse_Function, self).__init__(fobj)
self.fobj = fobj
def function(self):
fname = str(self.fobj.function())
if not fname:
return None
if fname == "end_func":
extra = self.fobj.inferior_frame().read_var("str").string()
else:
extra = ""
fname = fname[::-1] + extra
return fname
class FrameFilter:
def __init__(self):
self.name = "Reverse"
self.priority = 100
self.enabled = True
gdb.frame_filters[self.name] = self
def filter(self, frame_iter):
# Python 3.x moved the itertools.imap functionality to map(),
# so check if it is available.
if hasattr(itertools, "imap"):
frame_iter = itertools.imap(Reverse_Function, frame_iter)
else:
frame_iter = map(Reverse_Function, frame_iter)
return frame_iter
FrameFilter()
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