xref: /netbsd-src/external/gpl3/gdb.old/dist/gdb/testsuite/gdb.python/pretty-print-call-by-hand.py (revision f8cf1a9151c7af1cb0bd8b09c13c66bca599c027)
1# Copyright (C) 2022-2023 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
17class MytypePrinter:
18    """pretty print my type"""
19
20    def __init__(self, val):
21        self.val = val
22
23    def to_string(self):
24        calls = gdb.parse_and_eval("f()")
25        return "mytype is %s" % self.val["x"]
26
27
28def ec_lookup_function(val):
29    typ = val.type
30    if typ.code == gdb.TYPE_CODE_REF:
31        typ = typ.target()
32    if str(typ) == "struct mytype":
33        return MytypePrinter(val)
34    return None
35
36
37def disable_lookup_function():
38    ec_lookup_function.enabled = False
39
40
41def enable_lookup_function():
42    ec_lookup_function.enabled = True
43
44
45gdb.pretty_printers.append(ec_lookup_function)
46