mirror of
https://gitee.com/openharmony/arkcompiler_ets_runtime
synced 2024-10-07 16:13:49 +00:00
9a907ba3c3
Signed-off-by: wengchangcheng <wengchangcheng@huawei.com>
43 lines
1.6 KiB
C++
43 lines
1.6 KiB
C++
/*
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* Copyright (c) 2021 Huawei Device Co., Ltd.
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef ECMASCRIPT_JSDATAVIEW_H
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#define ECMASCRIPT_JSDATAVIEW_H
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#include "ecmascript/js_object.h"
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namespace panda::ecmascript {
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enum class DataViewType : uint8_t { FLOAT32 = 0, FLOAT64, INT8, INT16, INT32, UINT8, UINT16, UINT32, UINT8_CLAMPED };
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class JSDataView : public JSObject {
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public:
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CAST_CHECK(JSDataView, IsDataView);
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static uint32_t GetElementSize(DataViewType type);
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static constexpr size_t DATA_VIEW_OFFSET = JSObject::SIZE;
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ACCESSORS(DataView, DATA_VIEW_OFFSET, VIEW_ARRAY_BUFFER_OFFSET);
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ACCESSORS(ViewedArrayBuffer, VIEW_ARRAY_BUFFER_OFFSET, BYTE_LENGTH_OFFSET);
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ACCESSORS_PRIMITIVE_FIELD(ByteLength, uint32_t, BYTE_LENGTH_OFFSET, BYTE_OFFSET_OFFSET);
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ACCESSORS_PRIMITIVE_FIELD(ByteOffset, uint32_t, BYTE_OFFSET_OFFSET, LAST_OFFSET);
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DEFINE_ALIGN_SIZE(LAST_OFFSET);
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DECL_VISIT_OBJECT_FOR_JS_OBJECT(JSObject, DATA_VIEW_OFFSET, BYTE_LENGTH_OFFSET)
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DECL_DUMP()
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};
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} // namespace panda::ecmascript
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#endif // ECMASCRIPT_JSDATAVIEW_H
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