gdb/testsuite/gdb.python/py-varobj.py

   1 # Copyright (C) 2023-2024 Free Software Foundation, Inc.
   2 # This program is free software; you can redistribute it and/or modify
   3 # it under the terms of the GNU General Public License as published by
   4 # the Free Software Foundation; either version 3 of the License, or
   5 # (at your option) any later version.
   6 #
   7 # This program is distributed in the hope that it will be useful,
   8 # but WITHOUT ANY WARRANTY; without even the implied warranty of
   9 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  10 # GNU General Public License for more details.
  11 #
  12 # You should have received a copy of the GNU General Public License
  13 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  14
  15 import gdb
  16 import gdb.printing
  17
  18
  19 class TestPrinter:
  20     def __init__(self, val):
  21         self.val = val
  22
  23     def to_string(self):
  24         return "map"
  25
  26     def children(self):
  27         yield "1", "flicker"
  28
  29
  30 def str_lookup_function(val):
  31     lookup_tag = val.type.tag
  32     if lookup_tag == "test":
  33         return TestPrinter(val)
  34     if val.type.code == gdb.TYPE_CODE_PTR and val.type.target().tag == "test":
  35         return TestPrinter(val.dereference())
  36
  37
  38 gdb.printing.register_pretty_printer(None, str_lookup_function)