mirror of
https://gitee.com/openharmony/arkcompiler_ets_runtime
synced 2024-10-07 08:03:29 +00:00
780b037667
issue: https://gitee.com/openharmony/arkcompiler_ets_runtime/issues/I7IE0U Signed-off-by: yqhan <hanyuqing2@huawei.com> Change-Id: Ia708f74f3f2d0f8c50563d48fbc9bfebc66ed060
62 lines
2.1 KiB
C++
62 lines
2.1 KiB
C++
/*
|
|
* 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_BYTE_ARRAY_H
|
|
#define ECMASCRIPT_BYTE_ARRAY_H
|
|
|
|
#include "ecmascript/js_hclass.h"
|
|
#include "ecmascript/js_tagged_value.h"
|
|
#include "ecmascript/js_dataview.h"
|
|
|
|
namespace panda::ecmascript {
|
|
class ObjectFactory;
|
|
class JSThread;
|
|
|
|
class ByteArray : public TaggedObject {
|
|
public:
|
|
CAST_CHECK(ByteArray, IsByteArray);
|
|
|
|
static inline size_t ComputeSize(size_t elemSize, uint32_t length)
|
|
{
|
|
ASSERT(elemSize != 0);
|
|
size_t size = DATA_OFFSET + elemSize * length;
|
|
return size;
|
|
}
|
|
|
|
inline void *GetData(uint32_t index = 0) const
|
|
{
|
|
return reinterpret_cast<void *>(ToUintPtr(this) + DATA_OFFSET + index * GetByteLength());
|
|
}
|
|
|
|
void Set(JSThread* thread, uint32_t idx, DataViewType type, JSTaggedType val, uint32_t offset = 0);
|
|
JSTaggedValue Get(JSThread *thread, uint32_t idx, DataViewType type, uint32_t offset = 0);
|
|
|
|
static constexpr size_t ARRAY_LENGTH_OFFSET = TaggedObjectSize();
|
|
ACCESSORS_PRIMITIVE_FIELD(ArrayLength, uint32_t, ARRAY_LENGTH_OFFSET, BYTE_LENGTH_OFFSET)
|
|
ACCESSORS_PRIMITIVE_FIELD(ByteLength, uint32_t, BYTE_LENGTH_OFFSET, LAST_OFFSET)
|
|
DEFINE_ALIGN_SIZE(LAST_OFFSET);
|
|
static constexpr size_t DATA_OFFSET = SIZE; // DATA_OFFSET equal to Empty ByteArray size
|
|
|
|
DECL_DUMP()
|
|
|
|
private:
|
|
friend class ObjectFactory;
|
|
};
|
|
|
|
static_assert(ByteArray::ARRAY_LENGTH_OFFSET == sizeof(TaggedObject));
|
|
static_assert((ByteArray::DATA_OFFSET % static_cast<uint8_t>(MemAlignment::MEM_ALIGN_OBJECT)) == 0);
|
|
} // namespace panda::ecmascript
|
|
#endif // ECMASCRIPT_BYTE_ARRAY_H
|