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32d0add0 | 1 | # Copyright (C) 2013-2015 Free Software Foundation, Inc. |
e7045703 DE |
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 re | |
17 | import gdb | |
18 | ||
19 | class pp_s (object): | |
20 | def __init__(self, val): | |
21 | self.val = val | |
22 | ||
23 | def to_string(self): | |
24 | m = self.val["m"] | |
25 | return "m=<" + str(self.val["m"]) + ">" | |
26 | ||
27 | class pp_ss (object): | |
28 | def __init__(self, val): | |
29 | self.val = val | |
30 | ||
31 | def to_string(self): | |
32 | return "super struct" | |
33 | ||
34 | def children (self): | |
35 | yield 'a', self.val['a'] | |
36 | yield 'b', self.val['b'] | |
37 | ||
38 | ||
39 | def lookup_function (val): | |
40 | "Look-up and return a pretty-printer that can print val." | |
41 | ||
42 | # Get the type. | |
43 | type = val.type | |
44 | ||
45 | # If it points to a reference, get the reference. | |
46 | if type.code == gdb.TYPE_CODE_REF: | |
47 | type = type.target () | |
48 | ||
49 | # Get the unqualified type, stripped of typedefs. | |
50 | type = type.unqualified ().strip_typedefs () | |
51 | ||
52 | # Get the type name. | |
53 | typename = type.tag | |
54 | if typename == None: | |
55 | return None | |
56 | ||
57 | # Iterate over local dictionary of types to determine | |
58 | # if a printer is registered for that type. Return an | |
59 | # instantiation of the printer if found. | |
60 | for function in pretty_printers_dict: | |
61 | if function.match (typename): | |
62 | return pretty_printers_dict[function] (val) | |
63 | ||
64 | # Cannot find a pretty printer. Return None. | |
65 | return None | |
66 | ||
67 | ||
68 | def register_pretty_printers (): | |
69 | pretty_printers_dict[re.compile ('^s$')] = pp_s | |
70 | pretty_printers_dict[re.compile ('^ss$')] = pp_ss | |
71 | ||
72 | pretty_printers_dict = {} | |
73 | ||
74 | register_pretty_printers () | |
75 | gdb.pretty_printers.append (lookup_function) |