diff options
author | Lars Knoll <lars.knoll@digia.com> | 2014-03-31 15:48:02 +0200 |
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committer | The Qt Project <gerrit-noreply@qt-project.org> | 2014-04-04 17:26:20 +0200 |
commit | 8e556778c8324c61ddf5842e457c873c1b5aac02 (patch) | |
tree | ca9dd1cd85510fdbd01221005cb0c096a844a762 /src/qml/jsruntime/qv4memberdata_p.h | |
parent | b02eeeee586abe343b8866385c1327ac009b3ef0 (diff) |
Garbage collect member data
Move the allocated member data into the garbage collected
area, so that we can avoid using malloc/free for it.
Change-Id: I20625efa67ecd60238568742b74854b0c8cb2e3e
Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
Diffstat (limited to 'src/qml/jsruntime/qv4memberdata_p.h')
-rw-r--r-- | src/qml/jsruntime/qv4memberdata_p.h | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/src/qml/jsruntime/qv4memberdata_p.h b/src/qml/jsruntime/qv4memberdata_p.h new file mode 100644 index 0000000000..03aa75a365 --- /dev/null +++ b/src/qml/jsruntime/qv4memberdata_p.h @@ -0,0 +1,82 @@ +/**************************************************************************** +** +** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies). +** Contact: http://www.qt-project.org/legal +** +** This file is part of the QtQml module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** Commercial License Usage +** Licensees holding valid commercial Qt licenses may use this file in +** accordance with the commercial license agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Digia. For licensing terms and +** conditions see http://qt.digia.com/licensing. For further information +** use the contact form at http://qt.digia.com/contact-us. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 2.1 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 2.1 requirements +** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** +** In addition, as a special exception, Digia gives you certain additional +** rights. These rights are described in the Digia Qt LGPL Exception +** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 3.0 as published by the Free Software +** Foundation and appearing in the file LICENSE.GPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU General Public License version 3.0 requirements will be +** met: http://www.gnu.org/copyleft/gpl.html. +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ +#ifndef QV4MEMBERDATA_H +#define QV4MEMBERDATA_H + +#include "qv4global_p.h" +#include "qv4managed_p.h" + +QT_BEGIN_NAMESPACE + +namespace QV4 { + +struct MemberData : Managed +{ + V4_MANAGED + uint size; + Value data[1]; + + MemberData(QV4::InternalClass *ic) : Managed(ic) {} + Value &operator[] (uint idx) { return data[idx]; } + + static void markObjects(Managed *that, ExecutionEngine *e); +}; + +struct Members : Value +{ + void ensureIndex(QV4::ExecutionEngine *e, uint idx); + Value &operator[] (uint idx) const { return static_cast<MemberData *>(managed())->data[idx]; } + inline uint size() const { return d() ? d()->size : 0; } + inline MemberData *d() const { return static_cast<MemberData *>(managed()); } + Value *data() const { return static_cast<MemberData *>(managed())->data; } + + void mark(ExecutionEngine *e) const { + MemberData *m = d(); + if (m) + m->mark(e); + } +}; + +} + +QT_END_NAMESPACE + +#endif |