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ecd75fc8 | 1 | # Copyright (C) 2013-2014 Free Software Foundation, Inc. |
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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 | import gdb | |
17 | import itertools | |
18 | ||
19 | class FrameIterator(object): | |
20 | """A gdb.Frame iterator. Iterates over gdb.Frames or objects that | |
21 | conform to that interface.""" | |
22 | ||
23 | def __init__(self, frame_obj): | |
24 | """Initialize a FrameIterator. | |
25 | ||
26 | Arguments: | |
27 | frame_obj the starting frame.""" | |
28 | ||
29 | super(FrameIterator, self).__init__() | |
30 | self.frame = frame_obj | |
31 | ||
32 | def __iter__(self): | |
33 | return self | |
34 | ||
35 | def next(self): | |
36 | """next implementation. | |
37 | ||
38 | Returns: | |
39 | The next oldest frame.""" | |
40 | ||
41 | result = self.frame | |
42 | if result is None: | |
43 | raise StopIteration | |
44 | self.frame = result.older() | |
45 | return result | |
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46 | |
47 | # Python 3.x requires __next__(self) while Python 2.x requires | |
48 | # next(self). Define next(self), and for Python 3.x create this | |
49 | # wrapper. | |
50 | def __next__(self): | |
51 | return self.next() |