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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:24:48 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:24:48 +0000 |
commit | cca66b9ec4e494c1d919bff0f71a820d8afab1fa (patch) | |
tree | 146f39ded1c938019e1ed42d30923c2ac9e86789 /src/gc-anchored.cpp | |
parent | Initial commit. (diff) | |
download | inkscape-cca66b9ec4e494c1d919bff0f71a820d8afab1fa.tar.xz inkscape-cca66b9ec4e494c1d919bff0f71a820d8afab1fa.zip |
Adding upstream version 1.2.2.upstream/1.2.2upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | src/gc-anchored.cpp | 95 |
1 files changed, 95 insertions, 0 deletions
diff --git a/src/gc-anchored.cpp b/src/gc-anchored.cpp new file mode 100644 index 0000000..12eaa83 --- /dev/null +++ b/src/gc-anchored.cpp @@ -0,0 +1,95 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +/* + * Inkscape::GC::Anchored - base class for anchored GC-managed objects + * + * Authors: + * MenTaLguY <mental@rydia.net> + * + * Copyright (C) 2004 MenTaLguY + * + * Released under GNU GPL v2+, read the file 'COPYING' for more information. + */ + +#include <typeinfo> +#include "gc-anchored.h" +#include "debug/event-tracker.h" +#include "debug/simple-event.h" +#include "debug/demangle.h" +#include "util/format.h" + +namespace Inkscape { + +namespace GC { + +namespace { + +typedef Debug::SimpleEvent<Debug::Event::REFCOUNT> RefCountEvent; + +class BaseAnchorEvent : public RefCountEvent { +public: + BaseAnchorEvent(Anchored const *object, int bias, + char const *name) + : RefCountEvent(name) + { + _addProperty("base", Util::format("%p", Core::base(const_cast<Anchored *>(object))).pointer()); + _addProperty("pointer", Util::format("%p", object).pointer()); + _addProperty("class", Debug::demangle(typeid(*object).name())); + _addProperty("new-refcount", object->_anchored_refcount() + bias); + } +}; + +class AnchorEvent : public BaseAnchorEvent { +public: + AnchorEvent(Anchored const *object) + : BaseAnchorEvent(object, 1, "gc-anchor") + {} +}; + +class ReleaseEvent : public BaseAnchorEvent { +public: + ReleaseEvent(Anchored const *object) + : BaseAnchorEvent(object, -1, "gc-release") + {} +}; + +} + +Anchored::Anchor *Anchored::_new_anchor() const { + return new Anchor(this); +} + +void Anchored::_free_anchor(Anchored::Anchor *anchor) const { + delete anchor; +} + +void Anchored::anchor() const { + Debug::EventTracker<AnchorEvent> tracker(this); + if (!_anchor) { + _anchor = _new_anchor(); + } + _anchor->refcount++; +} + +void Anchored::release() const { + Debug::EventTracker<ReleaseEvent> tracker(this); + g_return_if_fail(_anchor); + if (!--_anchor->refcount) { + _free_anchor(_anchor); + _anchor = nullptr; + } +} + +} + +} + +/* + Local Variables: + mode:c++ + c-file-style:"stroustrup" + c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +)) + indent-tabs-mode:nil + fill-column:99 + End: +*/ +// vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:fileencoding=utf-8:textwidth=99 : |