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88b9d363 | 1 | # Copyright (C) 2014-2022 Free Software Foundation, Inc. |
c75bd3a2 JK |
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 | # This file is part of the GDB testsuite. It tests Python-based | |
17 | # frame-filters. | |
18 | import gdb | |
19 | import itertools | |
20 | from gdb.FrameDecorator import FrameDecorator | |
21 | import copy | |
22 | ||
c75bd3a2 | 23 | |
13123da8 | 24 | class Reverse_Function(FrameDecorator): |
c75bd3a2 JK |
25 | def __init__(self, fobj): |
26 | super(Reverse_Function, self).__init__(fobj) | |
27 | self.fobj = fobj | |
28 | ||
13123da8 SM |
29 | def function(self): |
30 | fname = str(self.fobj.function()) | |
f9e59d06 | 31 | if not fname: |
c75bd3a2 | 32 | return None |
13123da8 SM |
33 | if fname == "end_func": |
34 | extra = self.fobj.inferior_frame().read_var("str").string() | |
c75bd3a2 | 35 | else: |
13123da8 | 36 | extra = "" |
c75bd3a2 JK |
37 | fname = fname[::-1] + extra |
38 | return fname | |
39 | ||
c75bd3a2 | 40 | |
13123da8 SM |
41 | class FrameFilter: |
42 | def __init__(self): | |
c75bd3a2 JK |
43 | self.name = "Reverse" |
44 | self.priority = 100 | |
45 | self.enabled = True | |
13123da8 | 46 | gdb.frame_filters[self.name] = self |
c75bd3a2 | 47 | |
13123da8 | 48 | def filter(self, frame_iter): |
c75bd3a2 JK |
49 | # Python 3.x moved the itertools.imap functionality to map(), |
50 | # so check if it is available. | |
51 | if hasattr(itertools, "imap"): | |
13123da8 | 52 | frame_iter = itertools.imap(Reverse_Function, frame_iter) |
c75bd3a2 JK |
53 | else: |
54 | frame_iter = map(Reverse_Function, frame_iter) | |
55 | ||
56 | return frame_iter | |
57 | ||
13123da8 | 58 | |
c75bd3a2 | 59 | FrameFilter() |