76 lines
2.4 KiB
Python
76 lines
2.4 KiB
Python
# -*- tab-width: 4; indent-tabs-mode: nil; py-indent-offset: 4 -*-
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# GDB pretty printers for Boost.Smart Ptr.
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#
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# Copyright (C) 2012 Red Hat, Inc., David Tardon <dtardon@redhat.com>
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#
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# This file is part of boost-gdb-printers.
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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import gdb
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import boost.util.printing as printing
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class SmartPtrPrinter:
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"""Prints smart pointers based on Boost.SmartPtr"""
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def __init__(self, typename, value):
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self.typename = typename
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self.value = value
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def to_string(self):
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if self.value['px']:
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print_object = gdb.parameter('print object')
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value = self.value['px'].dereference()
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if print_object:
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dynamic_type = self.value['px'].dynamic_type
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value = self.value['px'].cast(dynamic_type).dereference()
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return "%s %s" % (self.typename, value)
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else:
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return "empty %s" % (self.typename)
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class WeakPtrPrinter:
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"""Prints boost::weak_ptr instances"""
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def __init__(self, typename, value):
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self.typename = typename
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self.value = value
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def to_string(self):
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value = self.value['px']
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return "%s %s" % (self.typename, value)
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printer = None
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def build_pretty_printers():
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global printer
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if printer is not None:
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return
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printer = printing.Printer("boost.smart_ptr")
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printer.add('boost::shared_ptr', SmartPtrPrinter)
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# printer.add('boost::shared_array', SmartPtrPrinter)
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printer.add('boost::weak_ptr', WeakPtrPrinter)
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printer.add('boost::scoped_ptr', SmartPtrPrinter)
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# printer.add('boost::scoped_array', SmartPtrPrinter)
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def register_pretty_printers(obj):
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printing.register_pretty_printer(printer, obj)
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build_pretty_printers()
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# vim:set filetype=python shiftwidth=4 softtabstop=4 expandtab:
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