# -*- tab-width: 4; indent-tabs-mode: nil; py-indent-offset: 4 -*- # GDB pretty printers for Boost.Optional. # # Copyright (C) 2012 Red Hat, Inc., David Tardon <dtardon@redhat.com> # # This file is part of boost-gdb-printers. # # This program is free software; you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by # the Free Software Foundation; either version 3 of the License, or # (at your option) any later version. # # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # # You should have received a copy of the GNU General Public License # along with this program. If not, see <http://www.gnu.org/licenses/>.
import gdb
import boost.util.printing as printing
class OptionalPrinter:
def __init__(self, typename, value):
self.typename = typename
self.value = value
def to_string(self): if self.value['m_initialized']:
data = self.value['m_storage']['dummy_']['data']
ptr_type = self.value.type.template_argument(0).pointer() return"%s %s" % (self.typename, data.cast(ptr_type).dereference()) else: return"empty " + self.typename
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