1# Copyright (C) 2010-2023 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"]) + "> y=<" + str(self.val["y"]) + ">"
31
32    typename = gdb.types.get_basic_type(val.type).tag
33    # Note: typename could be None.
34    if typename == "function_lookup_test":
35        return PrintFunctionLookup(val)
36    return None
37
38
39class pp_s(object):
40    def __init__(self, val):
41        self.val = val
42
43    def to_string(self):
44        a = self.val["a"]
45        b = self.val["b"]
46        if a.address != b:
47            raise Exception("&a(%s) != b(%s)" % (str(a.address), str(b)))
48        return "a=<" + str(self.val["a"]) + "> b=<" + str(self.val["b"]) + ">"
49
50
51class pp_ss(object):
52    def __init__(self, val):
53        self.val = val
54
55    def to_string(self):
56        return "a=<" + str(self.val["a"]) + "> b=<" + str(self.val["b"]) + ">"
57
58
59def build_pretty_printer():
60    pp = gdb.printing.RegexpCollectionPrettyPrinter("pp-test")
61
62    pp.add_printer("struct s", "^struct s$", pp_s)
63    pp.add_printer("s", "^s$", pp_s)
64
65    # Use a lambda this time to exercise doing things this way.
66    pp.add_printer("struct ss", "^struct ss$", lambda val: pp_ss(val))
67    pp.add_printer("ss", "^ss$", lambda val: pp_ss(val))
68
69    pp.add_printer(
70        "enum flag_enum",
71        "^flag_enum$",
72        gdb.printing.FlagEnumerationPrinter("enum flag_enum"),
73    )
74
75    return pp
76
77
78gdb.printing.register_pretty_printer(gdb, lookup_function_lookup_test)
79my_pretty_printer = build_pretty_printer()
80gdb.printing.register_pretty_printer(gdb, my_pretty_printer)
81