1 files changed, 51 insertions, 0 deletions
diff --git a/src/qml/jsruntime/qv4compilationunitmapper_p.h b/src/qml/jsruntime/qv4compilationunitmapper_p.h
new file mode 100644
index 0000000000..c214141804
--- /dev/null
+++ b/src/qml/jsruntime/qv4compilationunitmapper_p.h
@@ -0,0 +1,51 @@
+// Copyright (C) 2016 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
+
+#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:
+    CompiledData::Unit *get(
+            const QString &cacheFilePath, const QDateTime &sourceTimeStamp, QString *errorString);
+    static void invalidate(const QString &cacheFilePath);
+
+private:
+    CompiledData::Unit *open(
+            const QString &cacheFilePath, const QDateTime &sourceTimeStamp, QString *errorString);
+    void close();
+
+#if defined(Q_OS_UNIX)
+    size_t length = 0;
+#endif
+    void *dataPtr = nullptr;
+};
+
+}
+
+QT_END_NAMESPACE
+
+#endif // QV4COMPILATIONUNITMAPPER_H