py-section-script.py revision 1.1.1.2 
1# Copyright (C) 2010-2013 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# This file is part of the GDB testsuite.
17
18import re
19
20class pp_ss:
21    def __init__(self, val):
22        self.val = val
23
24    def to_string(self):
25        return "a=<" + str(self.val["a"]) + "> b=<" + str(self.val["b"]) + ">"
26
27def lookup_function (val):
28    "Look-up and return a pretty-printer that can print val."
29
30    # Get the type.
31    type = val.type
32
33    # If it points to a reference, get the reference.
34    if type.code == gdb.TYPE_CODE_REF:
35        type = type.target ()
36
37    # Get the unqualified type, stripped of typedefs.
38    type = type.unqualified ().strip_typedefs ()
39
40    # Get the type name.
41    typename = type.tag
42
43    if typename == None:
44        return None
45
46    # Iterate over local dictionary of types to determine
47    # if a printer is registered for that type.  Return an
48    # instantiation of the printer if found.
49    for function in pretty_printers_dict:
50        if function.match (typename):
51            return pretty_printers_dict[function] (val)
52
53    # Cannot find a pretty printer.  Return None.
54
55    return None
56
57def register_pretty_printers ():
58    pretty_printers_dict[re.compile ('^ss$')]  = pp_ss
59
60pretty_printers_dict = {}
61
62register_pretty_printers ()
63gdb.current_progspace().pretty_printers.append (lookup_function)
64