1 files changed, 87 insertions, 0 deletions
diff --git a/src/qml/common/qv4calldata_p.h b/src/qml/common/qv4calldata_p.h
new file mode 100644
index 0000000000..8d193bae4d
--- /dev/null
+++ b/src/qml/common/qv4calldata_p.h
@@ -0,0 +1,87 @@
+// Copyright (C) 2019 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 QV4CALLDATA_P_H
+#define QV4CALLDATA_P_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/qv4staticvalue_p.h>
+
+QT_BEGIN_NAMESPACE
+
+namespace QV4 {
+
+struct CallData
+{
+    enum Offsets {
+        Function = 0,
+        Context = 1,
+        Accumulator = 2,
+        This = 3,
+        NewTarget = 4,
+        Argc = 5,
+
+        LastOffset = Argc,
+        OffsetCount = LastOffset + 1
+    };
+
+    StaticValue function;
+    StaticValue context;
+    StaticValue accumulator;
+    StaticValue thisObject;
+    StaticValue newTarget;
+    StaticValue _argc;
+
+    int argc() const {
+        Q_ASSERT(_argc.isInteger());
+        return _argc.int_32();
+    }
+
+    void setArgc(int argc) {
+        Q_ASSERT(argc >= 0);
+        _argc.setInt_32(argc);
+    }
+
+    inline ReturnedValue argument(int i) const {
+        return i < argc() ? args[i].asReturnedValue()
+                          : StaticValue::undefinedValue().asReturnedValue();
+    }
+
+    StaticValue args[1];
+
+    static constexpr int HeaderSize()
+    {
+        return offsetof(CallData, args) / sizeof(QV4::StaticValue);
+    }
+
+    template<typename Value>
+    Value *argValues();
+
+    template<typename Value>
+    const Value *argValues() const;
+};
+
+Q_STATIC_ASSERT(std::is_standard_layout<CallData>::value);
+Q_STATIC_ASSERT(offsetof(CallData, function   ) == CallData::Function    * sizeof(StaticValue));
+Q_STATIC_ASSERT(offsetof(CallData, context    ) == CallData::Context     * sizeof(StaticValue));
+Q_STATIC_ASSERT(offsetof(CallData, accumulator) == CallData::Accumulator * sizeof(StaticValue));
+Q_STATIC_ASSERT(offsetof(CallData, thisObject ) == CallData::This        * sizeof(StaticValue));
+Q_STATIC_ASSERT(offsetof(CallData, newTarget  ) == CallData::NewTarget   * sizeof(StaticValue));
+Q_STATIC_ASSERT(offsetof(CallData, _argc      ) == CallData::Argc        * sizeof(StaticValue));
+Q_STATIC_ASSERT(offsetof(CallData, args       ) == 6 * sizeof(StaticValue));
+
+} // namespace QV4
+
+QT_END_NAMESPACE
+
+#endif // QV4CALLDATA_P_H