gdb/testsuite/gdb.python/pretty-print-call-by-hand.py

   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
  17 class 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
  28 def 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
  37 def disable_lookup_function():
  38     ec_lookup_function.enabled = False
  39
  40
  41 def enable_lookup_function():
  42     ec_lookup_function.enabled = True
  43
  44
  45 gdb.pretty_printers.append(ec_lookup_function)