arkcompiler_ets_runtime/ecmascript/js_iterator.h
Andrey Efremov d8cf9a50f7 Optimize ArkJS VM build time
Issue: https://gitee.com/open_harmony/dashboard?issue_id=IACDZP

Change-Id: I729c3a2741cb2571d6f7184b2726e5f06eca802a
Signed-off-by: Andrey Efremov <efremov.andrey@huawei-partners.com>
2024-07-30 16:26:35 +08:00

83 lines
3.4 KiB
C++

/*
* Copyright (c) 2021-2024 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_JS_ITERATOR_H
#define ECMASCRIPT_JS_ITERATOR_H
#include "ecmascript/accessor_data.h"
#include "ecmascript/js_tagged_value.h"
namespace panda::ecmascript {
enum class IterationKind : uint8_t {
KEY = 0,
VALUE,
KEY_AND_VALUE
};
class AsyncIteratorRecord final : public Record {
public:
CAST_CHECK(AsyncIteratorRecord, IsAsyncIteratorRecord);
static constexpr size_t ITERATOR_OFFSET = Record::SIZE;
ACCESSORS(Iterator, ITERATOR_OFFSET, NEXTMETHOD_OFFSET);
ACCESSORS(NextMethod, NEXTMETHOD_OFFSET, BIT_FIELD_OFFSET);
ACCESSORS_BIT_FIELD(BitField, BIT_FIELD_OFFSET, LAST_OFFSET)
DEFINE_ALIGN_SIZE(LAST_OFFSET);
static constexpr size_t DONE_BITS = 1;
FIRST_BIT_FIELD(BitField, Done, bool, DONE_BITS)
DECL_VISIT_OBJECT(ITERATOR_OFFSET, BIT_FIELD_OFFSET)
DECL_DUMP()
};
class JSIterator final {
public:
static constexpr int VALUE_INLINE_PROPERTY_INDEX = 0;
static constexpr int DONE_INLINE_PROPERTY_INDEX = 1;
static JSTaggedValue IteratorCloseAndReturn(JSThread *thread, const JSHandle<JSTaggedValue> &iter);
// 7.4.1
static JSHandle<JSTaggedValue> GetIterator(JSThread *thread, const JSHandle<JSTaggedValue> &obj);
static JSHandle<JSTaggedValue> GetIterator(JSThread *thread, const JSHandle<JSTaggedValue> &obj,
const JSHandle<JSTaggedValue> &method);
static JSHandle<JSTaggedValue> GetAsyncIterator(JSThread *thread, const JSHandle<JSTaggedValue> &obj);
// 7.4.2
static JSHandle<JSTaggedValue> IteratorNext(JSThread *thread, const JSHandle<JSTaggedValue> &iter,
const JSHandle<JSTaggedValue> &value);
static JSHandle<JSTaggedValue> IteratorNext(JSThread *thread, const JSHandle<AsyncIteratorRecord> &iter,
const JSHandle<JSTaggedValue> &value);
static JSHandle<JSTaggedValue> IteratorNext(JSThread *thread, const JSHandle<AsyncIteratorRecord> &iter);
static JSHandle<JSTaggedValue> IteratorNext(JSThread *thread, const JSHandle<JSTaggedValue> &iter);
// 7.4.3
static bool IteratorComplete(JSThread *thread, const JSHandle<JSTaggedValue> &iterResult);
// 7.4.4
static JSHandle<JSTaggedValue> IteratorValue(JSThread *thread, const JSHandle<JSTaggedValue> &iterResult);
// 7.4.5
static JSHandle<JSTaggedValue> IteratorStep(JSThread *thread, const JSHandle<JSTaggedValue> &iter);
// 7.4.6
static JSHandle<JSTaggedValue> IteratorClose(JSThread *thread, const JSHandle<JSTaggedValue> &iter,
const JSHandle<JSTaggedValue> &completion);
// 7.4.7
static JSHandle<JSObject> CreateIterResultObject(JSThread *thread, const JSHandle<JSTaggedValue> &value, bool done);
};
} // namespace panda::ecmascript
#endif // ECMASCRIPT_JS_ITERATOR_H