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# Copyright (C) 2023-2024 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/>.
import gdb
import itertools
from gdb.FrameDecorator import DAPFrameDecorator
class ElidingFrameDecorator(DAPFrameDecorator):
def __init__(self, frame, elided_frames):
super(ElidingFrameDecorator, self).__init__(frame)
self.elided_frames = elided_frames
def elided(self):
return iter(self.elided_frames)
class ElidingIterator:
def __init__(self, ii):
self.input_iterator = ii
def __iter__(self):
return self
def __next__(self):
frame = next(self.input_iterator)
if str(frame.function()) != "function":
return frame
# Elide the next three frames.
elided = []
elided.append(next(self.input_iterator))
elided.append(next(self.input_iterator))
elided.append(next(self.input_iterator))
return ElidingFrameDecorator(frame, elided)
class FrameElider:
def __init__(self):
self.name = "Elider"
self.priority = 900
self.enabled = True
gdb.frame_filters[self.name] = self
def filter(self, frame_iter):
return ElidingIterator(frame_iter)
FrameElider()
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