GDB (xrefs)
FrameIterator.py
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1 # Copyright (C) 2013-2015 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 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
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()
def __init__(self, frame_obj)