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https://gitee.com/openharmony/arkcompiler_ets_runtime
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48 lines
1.5 KiB
C++
48 lines
1.5 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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#include "ecmascript/js_dataview.h"
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namespace panda::ecmascript {
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uint32_t JSDataView::GetElementSize(DataViewType type)
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{
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uint32_t size;
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switch (type) {
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case DataViewType::INT8:
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case DataViewType::UINT8:
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case DataViewType::UINT8_CLAMPED:
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size = 1;
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break;
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case DataViewType::INT16:
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case DataViewType::UINT16:
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size = 2; // 2 means the length
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break;
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case DataViewType::INT32:
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case DataViewType::UINT32:
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case DataViewType::FLOAT32:
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size = 4; // 4 means the length
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break;
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case DataViewType::FLOAT64:
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case DataViewType::BIGINT64:
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case DataViewType::BIGUINT64:
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size = 8; // 8 means the length
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break;
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default:
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LOG_ECMA(FATAL) << "this branch is unreachable";
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UNREACHABLE();
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}
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return size;
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}
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} // namespace panda::ecmascript
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