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https://gitee.com/openharmony/arkcompiler_ets_runtime
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101 lines
4.4 KiB
C++
101 lines
4.4 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_JSARRAY_H
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#define ECMASCRIPT_JSARRAY_H
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#include <limits>
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#include "ecmascript/js_object.h"
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#include "ecmascript/js_tagged_value-inl.h"
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#include "ecmascript/js_tagged_value.h"
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#include "ecmascript/tagged_array.h"
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namespace panda::ecmascript {
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// ecma6 9.4.2 Array Exotic Object
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class JSArray : public JSObject {
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public:
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static constexpr int LENGTH_INLINE_PROPERTY_INDEX = 0;
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CAST_CHECK(JSArray, IsJSArray);
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static JSHandle<JSTaggedValue> ArrayCreate(JSThread *thread, JSTaggedNumber length);
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static JSHandle<JSTaggedValue> ArrayCreate(JSThread *thread, JSTaggedNumber length,
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const JSHandle<JSTaggedValue> &newTarget);
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static JSTaggedValue ArraySpeciesCreate(JSThread *thread, const JSHandle<JSObject> &originalArray,
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JSTaggedNumber length);
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static bool ArraySetLength(JSThread *thread, const JSHandle<JSObject> &array, const PropertyDescriptor &desc);
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static bool DefineOwnProperty(JSThread *thread, const JSHandle<JSObject> &array, const JSHandle<JSTaggedValue> &key,
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const PropertyDescriptor &desc);
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static bool DefineOwnProperty(JSThread *thread, const JSHandle<JSObject> &array, uint32_t index,
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const PropertyDescriptor &desc);
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static bool IsLengthString(JSThread *thread, const JSHandle<JSTaggedValue> &key);
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// ecma6 7.3 Operations on Objects
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static JSHandle<JSArray> CreateArrayFromList(JSThread *thread, const JSHandle<TaggedArray> &elements);
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// use first inlined property slot for array length
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inline size_t GetArrayLength() const
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{
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return GetLength().GetArrayLength();
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}
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inline void SetArrayLength(const JSThread *thread, uint32_t length)
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{
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SetLength(thread, JSTaggedValue(length));
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}
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static constexpr size_t LENGTH_OFFSET = JSObject::SIZE;
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ACCESSORS(Length, LENGTH_OFFSET, SIZE);
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DECL_VISIT_OBJECT_FOR_JS_OBJECT(JSObject, LENGTH_OFFSET, SIZE)
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static const uint32_t MAX_ARRAY_INDEX = MAX_ELEMENT_INDEX;
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DECL_DUMP()
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static int32_t GetArrayLengthOffset()
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{
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return LENGTH_OFFSET;
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}
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static bool PropertyKeyToArrayIndex(JSThread *thread, const JSHandle<JSTaggedValue> &key, uint32_t *output);
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static JSTaggedValue LengthGetter(JSThread *thread, const JSHandle<JSObject> &self);
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static bool LengthSetter(JSThread *thread, const JSHandle<JSObject> &self, const JSHandle<JSTaggedValue> &value,
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bool mayThrow = false);
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static JSHandle<JSTaggedValue> FastGetPropertyByValue(JSThread *thread, const JSHandle<JSTaggedValue> &obj,
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uint32_t index);
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static JSHandle<JSTaggedValue> FastGetPropertyByValue(JSThread *thread, const JSHandle<JSTaggedValue> &obj,
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const JSHandle<JSTaggedValue> &key);
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static bool FastSetPropertyByValue(JSThread *thread, const JSHandle<JSTaggedValue> &obj, uint32_t index,
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const JSHandle<JSTaggedValue> &value);
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static bool FastSetPropertyByValue(JSThread *thread, const JSHandle<JSTaggedValue> &obj,
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const JSHandle<JSTaggedValue> &key, const JSHandle<JSTaggedValue> &value);
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static void Sort(JSThread *thread, const JSHandle<JSObject> &obj, const JSHandle<JSTaggedValue> &fn);
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static bool IncludeInSortedValue(JSThread *thread, const JSHandle<JSTaggedValue> &obj,
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const JSHandle<JSTaggedValue> &value);
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static JSHandle<TaggedArray> ToTaggedArray(JSThread *thread, const JSHandle<JSTaggedValue> &obj);
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private:
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static void SetCapacity(JSThread *thread, const JSHandle<JSObject> &array, uint32_t oldLen, uint32_t newLen);
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};
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} // namespace panda::ecmascript
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#endif // ECMASCRIPT_JSARRAY_H
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