1# Copyright (C) 2010-2020 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.  It tests python pretty
17# printers.
18
19import re
20import gdb.types
21import gdb.printing
22
23
24def lookup_function_lookup_test(val):
25    class PrintFunctionLookup(object):
26        def __init__(self, val):
27            self.val = val
28
29        def to_string(self):
30            return ("x=<" + str(self.val["x"]) +
31                    "> y=<" + str(self.val["y"]) + ">")
32
33    typename = gdb.types.get_basic_type(val.type).tag
34    # Note: typename could be None.
35    if typename == "function_lookup_test":
36        return PrintFunctionLookup(val)
37    return None
38
39
40class pp_s (object):
41    def __init__(self, val):
42        self.val = val
43
44    def to_string(self):
45        a = self.val["a"]
46        b = self.val["b"]
47        if a.address != b:
48            raise Exception("&a(%s) != b(%s)" % (str(a.address), str(b)))
49        return "a=<" + str(self.val["a"]) + "> b=<" + str(self.val["b"]) + ">"
50
51
52class pp_ss (object):
53    def __init__(self, val):
54        self.val = val
55
56    def to_string(self):
57        return "a=<" + str(self.val["a"]) + "> b=<" + str(self.val["b"]) + ">"
58
59
60def build_pretty_printer():
61    pp = gdb.printing.RegexpCollectionPrettyPrinter("pp-test")
62
63    pp.add_printer('struct s', '^struct s$', pp_s)
64    pp.add_printer('s', '^s$', pp_s)
65
66    # Use a lambda this time to exercise doing things this way.
67    pp.add_printer('struct ss', '^struct ss$', lambda val: pp_ss(val))
68    pp.add_printer('ss', '^ss$', lambda val: pp_ss(val))
69
70    pp.add_printer('enum flag_enum', '^flag_enum$',
71                   gdb.printing.FlagEnumerationPrinter('enum flag_enum'))
72
73    return pp
74
75
76gdb.printing.register_pretty_printer(gdb, lookup_function_lookup_test)
77my_pretty_printer = build_pretty_printer()
78gdb.printing.register_pretty_printer(gdb, my_pretty_printer)
79