arkcompiler_ets_runtime/ecmascript/js_dataview.h
zhangyukun 7ffcc4b20f Sync js_runtime to openharmony
Signed-off-by: zhangyukun <zhangyukun8@huawei.com>
2021-09-08 09:20:53 +08:00

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1.5 KiB
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/*
* Copyright (c) 2021 Huawei Device Co., Ltd.
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef ECMASCRIPT_JSDATAVIEW_H
#define ECMASCRIPT_JSDATAVIEW_H
#include "ecmascript/js_object.h"
namespace panda::ecmascript {
enum class DataViewType : uint8_t { FLOAT32 = 0, FLOAT64, INT8, INT16, INT32, UINT8, UINT16, UINT32, UINT8_CLAMPED };
class JSDataView : public JSObject {
public:
static JSDataView *Cast(ObjectHeader *object)
{
return static_cast<JSDataView *>(object);
}
static int32_t GetElementSize(DataViewType type);
static constexpr size_t DATA_VIEW_OFFSET = JSObject::SIZE;
ACCESSORS(DataView, DATA_VIEW_OFFSET, VIEW_ARRAY_BUFFER_OFFSET);
ACCESSORS(ViewedArrayBuffer, VIEW_ARRAY_BUFFER_OFFSET, BYTE_LENGTH_OFFSET);
ACCESSORS(ByteLength, BYTE_LENGTH_OFFSET, BYTE_OFFSET_OFFSET);
ACCESSORS(ByteOffset, BYTE_OFFSET_OFFSET, SIZE);
DECL_VISIT_OBJECT_FOR_JS_OBJECT(JSObject, DATA_VIEW_OFFSET, SIZE)
DECL_DUMP()
};
} // namespace panda::ecmascript
#endif // ECMASCRIPT_JSDATAVIEW_H