Separate header verification and mmap handling of CompiledData::Unit

...into a separate class. This will make it easier to specialize the
handling for Posix and Windows platforms.

Change-Id: I995538fa8239eac8586c96812086e50b4c19257f
Reviewed-by: Lars Knoll <[email protected]>

1 files changed, 82 insertions, 0 deletions

diff --git a/src/qml/compiler/qv4compilationunitmapper_p.h b/src/qml/compiler/qv4compilationunitmapper_p.h
new file mode 100644
index 0000000000..06ca3d0e02
--- /dev/null
+++ b/src/qml/compiler/qv4compilationunitmapper_p.h
@@ -0,0 +1,82 @@
+/****************************************************************************
+**
+** Copyright (C) 2016 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** 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 The Qt Company. For licensing terms
+** and conditions see https://www.qt.io/terms-conditions. For further
+** information use the contact form at https://www.qt.io/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 3 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL3 included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU Lesser General Public License version 3 requirements
+** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 2.0 or (at your option) the GNU General
+** Public license version 3 or any later version approved by the KDE Free
+** Qt Foundation. The licenses are as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-2.0.html and
+** https://www.gnu.org/licenses/gpl-3.0.html.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QV4COMPILATIONUNITMAPPER_H
+#define QV4COMPILATIONUNITMAPPER_H
+
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
+#include <private/qv4global_p.h>
+#include <QFile>
+
+QT_BEGIN_NAMESPACE
+
+namespace QV4 {
+
+namespace CompiledData {
+struct Unit;
+}
+
+class CompilationUnitMapper
+{
+public:
+    CompilationUnitMapper();
+
+    CompiledData::Unit *open(const QString &sourcePath, QString *errorString);
+    void close();
+
+private:
+    QFile f;
+    uchar *dataPtr;
+};
+
+}
+
+QT_END_NAMESPACE
+
+#endif // QV4COMPILATIONUNITMAPPER_H