python/gdbpp/gdbpp/smartptr.py
author Norisz Fay <nfay@mozilla.com>
Fri, 21 Jan 2022 11:26:20 +0200
changeset 605083 6ca2ae7f66684fae2b65257496074d7f2b0510b3
parent 554551 994ae8e4833c90447d91f0e26a718573cff5a514
permissions -rw-r--r--
Merge autoland to mozilla-central. a=merge

# -*- Mode: python; indent-tabs-mode: nil; tab-width: 40 -*-
# vim: set filetype=python:
# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
# file, You can obtain one at http://mozilla.org/MPL/2.0/.

from __future__ import absolute_import

from gdbpp import GeckoPrettyPrinter


@GeckoPrettyPrinter("nsWeakPtr", "^nsCOMPtr<nsIWeakReference>$")
class weak_ptr_printer(object):
    def __init__(self, value):
        self.value = value

    def to_string(self):
        proxy = self.value["mRawPtr"]
        if not proxy:
            return "[(%s) 0x0]" % proxy.type

        ref_type = proxy.dynamic_type
        weak_ptr = proxy.cast(ref_type).dereference()["mReferent"]
        if not weak_ptr:
            return "[(%s) %s]" % (weak_ptr.type, weak_ptr)

        return "[(%s) %s]" % (weak_ptr.dynamic_type, weak_ptr)


@GeckoPrettyPrinter("mozilla::StaticAutoPtr", "^mozilla::StaticAutoPtr<.*>$")
@GeckoPrettyPrinter("mozilla::StaticRefPtr", "^mozilla::StaticRefPtr<.*>$")
@GeckoPrettyPrinter("nsAutoPtr", "^nsAutoPtr<.*>$")
@GeckoPrettyPrinter("nsCOMPtr", "^nsCOMPtr<.*>$")
@GeckoPrettyPrinter("RefPtr", "^RefPtr<.*>$")
class smartptr_printer(object):
    def __init__(self, value):
        self.value = value["mRawPtr"]

    def to_string(self):
        if not self.value:
            type_name = str(self.value.type)
        else:
            type_name = str(self.value.dereference().dynamic_type.pointer())

        return "[(%s) %s]" % (type_name, str(self.value))


@GeckoPrettyPrinter("UniquePtr", "^mozilla::UniquePtr<.*>$")
class uniqueptr_printer(object):
    def __init__(self, value):
        self.value = value["mTuple"]["mFirstA"]

    def to_string(self):
        if not self.value:
            type_name = str(self.value.type)
        else:
            type_name = str(self.value.dereference().dynamic_type.pointer())

        return "[(%s) %s]" % (type_name, str(self.value))