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FrameIterator.py
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1# Copyright (C) 2013-2023 Free Software Foundation, Inc.
2
3# This program is free software; you can redistribute it and/or modify
4# it under the terms of the GNU General Public License as published by
5# the Free Software Foundation; either version 3 of the License, or
6# (at your option) any later version.
7#
8# This program is distributed in the hope that it will be useful,
9# but WITHOUT ANY WARRANTY; without even the implied warranty of
10# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11# GNU General Public License for more details.
12#
13# You should have received a copy of the GNU General Public License
14# along with this program. If not, see <http://www.gnu.org/licenses/>.
15
16
17class FrameIterator(object):
18 """A gdb.Frame iterator. Iterates over gdb.Frames or objects that
19 conform to that interface."""
20
21 def __init__(self, frame_obj):
22 """Initialize a FrameIterator.
23
24 Arguments:
25 frame_obj the starting frame."""
26
27 super(FrameIterator, self).__init__()
28 self.frame = frame_obj
29
30 def __iter__(self):
31 return self
32
33 def __next__(self):
34 """next implementation.
35
36 Returns:
37 The next oldest frame."""
38
39 result = self.frame
40 if result is None:
41 raise StopIteration
42 self.frame = result.older()
43 return result