mirror of
https://gitee.com/openharmony/arkcompiler_ets_runtime
synced 2024-10-06 23:54:03 +00:00
7ff11e1a87
Issue:https://gitee.com/openharmony/arkcompiler_ets_runtime/issues/IAJSUM Signed-off-by: c00451847 <chenkai71@huawei.com> Change-Id: Ie613e31ad72e6079af419b6d519c04664f82f126
165 lines
7.7 KiB
C++
165 lines
7.7 KiB
C++
/*
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* Copyright (c) 2021-2024 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 "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/js_thread.h"
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#include "ecmascript/tagged_array.h"
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namespace panda::ecmascript {
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enum class ArrayMode : uint8_t { UNDEFINED = 0, DICTIONARY, LITERAL };
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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 PUBLIC_API JSHandle<JSTaggedValue> ArrayCreate(JSThread *thread, JSTaggedNumber length,
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ArrayMode mode = ArrayMode::UNDEFINED);
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static JSHandle<JSTaggedValue> ArrayCreate(JSThread *thread, JSTaggedNumber length,
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const JSHandle<JSTaggedValue> &newTarget,
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ArrayMode mode = ArrayMode::UNDEFINED);
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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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static JSHandle<JSArray> CreateArrayFromList(JSThread *thread, const JSHandle<JSTaggedValue> &newtarget,
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const JSHandle<TaggedArray> &elements);
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// use first inlined property slot for array length
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inline uint32_t GetArrayLength() const
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{
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return GetLength();
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}
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inline void SetArrayLength([[maybe_unused]]const JSThread *thread, uint32_t length)
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{
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SetLength(length);
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}
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inline uint32_t GetHintLength() const
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{
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auto trackInfo = GetTrackInfo();
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if (trackInfo.IsInt()) {
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int hint = trackInfo.GetInt();
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return hint > 0 ? hint : 0;
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}
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return 0;
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}
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static constexpr size_t LENGTH_OFFSET = JSObject::SIZE;
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ACCESSORS_PRIMITIVE_FIELD(Length, uint32_t, LENGTH_OFFSET, TRACE_INDEX_OFFSET)
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ACCESSORS_PRIMITIVE_FIELD(TraceIndex, uint32_t, TRACE_INDEX_OFFSET, TRACK_INFO_OFFSET)
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ACCESSORS(TrackInfo, TRACK_INFO_OFFSET, SIZE)
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DECL_VISIT_OBJECT_FOR_JS_OBJECT(JSObject, TRACK_INFO_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 JSTaggedValue Sort(JSThread *thread, const JSHandle<JSTaggedValue> &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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static void PUBLIC_API CheckAndCopyArray(const JSThread *thread, JSHandle<JSArray> obj);
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static void SetCapacity(JSThread *thread, const JSHandle<JSObject> &array, uint32_t oldLen, uint32_t newLen,
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bool isNew = false);
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static void SortElements(JSThread *thread, const JSHandle<TaggedArray> &elements,
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const JSHandle<JSTaggedValue> &fn);
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static void SortElementsByObject(JSThread *thread, const JSHandle<JSObject> &thisObjHandle,
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const JSHandle<JSTaggedValue> &fn);
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static void SortElementsByInsertionSort(JSThread *thread, const JSHandle<TaggedArray> &elements, uint32_t len,
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const JSHandle<JSTaggedValue> &fn);
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static void SortElementsByMergeSort(JSThread *thread, const JSHandle<TaggedArray> &elements,
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const JSHandle<JSTaggedValue> &fn, int64_t startIdx, int64_t endIdx);
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static void MergeSortedElements(JSThread *thread, const JSHandle<TaggedArray> &elements,
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const JSHandle<JSTaggedValue> &fn, int64_t startIdx, int64_t middleIdx, int64_t endIdx);
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template <class Callback>
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static JSTaggedValue ArrayCreateWithInit(JSThread *thread, uint32_t length, const Callback &cb)
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{
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ObjectFactory *factory = thread->GetEcmaVM()->GetFactory();
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JSHandle<TaggedArray> newElements(factory->NewTaggedArray(length));
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RETURN_EXCEPTION_IF_ABRUPT_COMPLETION(thread);
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JSHandle<JSTaggedValue> array(JSArray::CreateArrayFromList(thread, newElements));
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cb(newElements, length);
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return array.GetTaggedValue();
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}
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};
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class TrackInfo : public TaggedObject {
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public:
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static TrackInfo *Cast(TaggedObject *object)
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{
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ASSERT(JSTaggedValue(object).IsTrackInfoObject());
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return static_cast<TrackInfo *>(object);
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}
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static constexpr size_t CACHED_HCLASS_OFFSET = TaggedObjectSize();
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ACCESSORS(CachedHClass, CACHED_HCLASS_OFFSET, CACHED_FUNC_OFFSET);
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ACCESSORS(CachedFunc, CACHED_FUNC_OFFSET, BIT_FIELD_OFFSET);
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ACCESSORS_BIT_FIELD(BitField, BIT_FIELD_OFFSET, ARRAY_LENGTH_OFFSET);
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ACCESSORS_PRIMITIVE_FIELD(ArrayLength, uint32_t, ARRAY_LENGTH_OFFSET, LAST_OFFSET)
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DEFINE_ALIGN_SIZE(LAST_OFFSET);
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// define BitField
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static constexpr size_t ELEMENTS_KIND_BITS = 8;
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static constexpr size_t SPACE_FALG_BITS = 8;
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FIRST_BIT_FIELD(BitField, ElementsKind, ElementsKind, ELEMENTS_KIND_BITS);
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NEXT_BIT_FIELD(BitField, SpaceFlag, RegionSpaceFlag, SPACE_FALG_BITS, ElementsKind);
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DECL_DUMP()
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DECL_VISIT_OBJECT(CACHED_HCLASS_OFFSET, BIT_FIELD_OFFSET);
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};
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} // namespace panda::ecmascript
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#endif // ECMASCRIPT_JSARRAY_H
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