mirror of
https://gitee.com/openharmony/arkcompiler_ets_runtime
synced 2024-10-07 08:03:29 +00:00
169977e926
Issue: #I7NYFW Change-Id: I59ed5b9c377f2ce6bad2723795309099e015f8df Signed-off-by: yingguofeng@huawei.com <yingguofeng@huawei.com>
455 lines
14 KiB
C++
455 lines
14 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_JSOBJECT_INL_H
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#define ECMASCRIPT_JSOBJECT_INL_H
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#include "ecmascript/js_object.h"
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#include "ecmascript/js_array.h"
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#include "ecmascript/js_hclass-inl.h"
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#include "ecmascript/js_tagged_value-inl.h"
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#include "ecmascript/js_typed_array.h"
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#include "ecmascript/tagged_array-inl.h"
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namespace panda::ecmascript {
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inline void ECMAObject::SetCallable(bool flag)
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{
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GetClass()->SetCallable(flag);
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}
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inline bool ECMAObject::IsCallable() const
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{
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return GetClass()->IsCallable();
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}
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// JSObject
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inline bool JSObject::IsExtensible() const
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{
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return GetJSHClass()->IsExtensible();
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}
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inline void JSObject::FillElementsWithHoles(const JSThread *thread, uint32_t start, uint32_t end)
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{
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if (start >= end) {
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return;
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}
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TaggedArray *elements = TaggedArray::Cast(GetElements().GetTaggedObject());
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for (uint32_t i = start; i < end; i++) {
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elements->Set(thread, i, JSTaggedValue::Hole());
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}
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}
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inline JSHClass *JSObject::GetJSHClass() const
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{
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return GetClass();
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}
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inline bool JSObject::IsJSGlobalObject() const
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{
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return GetJSHClass()->IsJSGlobalObject();
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}
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inline bool JSObject::IsConstructor() const
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{
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return GetJSHClass()->IsConstructor();
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}
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inline bool JSObject::IsECMAObject() const
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{
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return GetJSHClass()->IsECMAObject();
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}
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inline bool JSObject::IsJSError() const
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{
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return GetJSHClass()->IsJSError();
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}
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inline bool JSObject::IsArguments() const
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{
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return GetJSHClass()->IsArguments();
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}
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inline bool JSObject::IsDate() const
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{
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return GetJSHClass()->IsDate();
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}
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inline bool JSObject::IsJSArray() const
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{
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return GetJSHClass()->IsJSArray();
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}
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inline bool JSObject::IsJSMap() const
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{
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return GetJSHClass()->IsJSMap();
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}
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inline bool JSObject::IsJSSet() const
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{
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return GetJSHClass()->IsJSSet();
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}
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inline bool JSObject::IsJSRegExp() const
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{
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return GetJSHClass()->IsJSRegExp();
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}
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inline bool JSObject::IsJSFunction() const
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{
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return GetJSHClass()->IsJSFunction();
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}
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inline bool JSObject::IsBoundFunction() const
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{
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return GetJSHClass()->IsJsBoundFunction();
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}
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inline bool JSObject::IsJSIntlBoundFunction() const
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{
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return GetJSHClass()->IsJSIntlBoundFunction();
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}
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inline bool JSObject::IsProxyRevocFunction() const
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{
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return GetJSHClass()->IsJSProxyRevocFunction();
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}
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inline bool JSObject::IsAccessorData() const
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{
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return GetJSHClass()->IsAccessorData();
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}
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inline bool JSObject::IsJSGlobalEnv() const
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{
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return GetJSHClass()->IsJsGlobalEnv();
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}
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inline bool JSObject::IsJSProxy() const
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{
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return GetJSHClass()->IsJSProxy();
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}
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inline bool JSObject::IsGeneratorObject() const
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{
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return GetJSHClass()->IsGeneratorObject();
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}
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inline bool JSObject::IsAsyncGeneratorObject() const
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{
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return GetJSHClass()->IsAsyncGeneratorObject();
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}
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inline bool JSObject::IsForinIterator() const
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{
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return GetJSHClass()->IsForinIterator();
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}
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inline bool JSObject::IsJSSetIterator() const
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{
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return GetJSHClass()->IsJSSetIterator();
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}
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inline bool JSObject::IsJSRegExpIterator() const
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{
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return GetJSHClass()->IsJSRegExpIterator();
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}
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inline bool JSObject::IsJSMapIterator() const
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{
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return GetJSHClass()->IsJSMapIterator();
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}
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inline bool JSObject::IsJSArrayIterator() const
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{
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return GetJSHClass()->IsJSArrayIterator();
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}
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inline bool JSObject::IsJSAPIArrayListIterator() const
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{
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return GetJSHClass()->IsJSAPIArrayListIterator();
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}
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inline bool JSObject::IsJSAPIStackIterator() const
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{
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return GetJSHClass()->IsJSAPIStackIterator();
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}
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inline bool JSObject::IsJSAPIVectorIterator() const
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{
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return GetJSHClass()->IsJSAPIVectorIterator();
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}
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inline bool JSObject::IsJSAPILinkedListIterator() const
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{
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return GetJSHClass()->IsJSAPILinkedListIterator();
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}
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inline bool JSObject::IsJSAPIListIterator() const
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{
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return GetJSHClass()->IsJSAPIListIterator();
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}
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inline bool JSObject::IsJSPrimitiveRef() const
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{
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return GetJSHClass()->IsJsPrimitiveRef();
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}
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inline bool JSObject::IsElementDict() const
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{
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return TaggedArray::Cast(GetElements().GetTaggedObject())->IsDictionaryMode();
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}
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inline bool JSObject::IsPropertiesDict() const
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{
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return TaggedArray::Cast(GetProperties().GetTaggedObject())->IsDictionaryMode();
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}
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inline bool JSObject::IsTypedArray() const
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{
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return GetJSHClass()->IsTypedArray();
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}
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std::pair<bool, JSTaggedValue> JSObject::ConvertValueWithRep(uint32_t index, JSTaggedValue value)
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{
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auto layout = LayoutInfo::Cast(GetJSHClass()->GetLayout().GetTaggedObject());
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auto attr = layout->GetAttr(index);
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if (attr.IsDoubleRep()) {
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if (value.IsInt()) {
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double doubleValue = value.GetInt();
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return std::pair(true, JSTaggedValue(bit_cast<JSTaggedType>(doubleValue)));
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} else if (value.IsDouble()) {
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return std::pair(true, JSTaggedValue(bit_cast<JSTaggedType>(value.GetDouble())));
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} else {
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return std::pair(false, value);
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}
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} else if (attr.IsIntRep()) {
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if (value.IsInt()) {
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int intValue = value.GetInt();
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return std::pair(true, JSTaggedValue(static_cast<JSTaggedType>(intValue)));
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} else {
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return std::pair(false, value);
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}
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}
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return std::pair(true, value);
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}
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void JSObject::SetPropertyInlinedPropsWithRep(const JSThread *thread, uint32_t index, JSTaggedValue value)
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{
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auto layout = LayoutInfo::Cast(GetJSHClass()->GetLayout().GetTaggedObject());
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auto attr = layout->GetAttr(index);
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if (attr.IsTaggedRep()) {
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SetPropertyInlinedProps<true>(thread, index, value);
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} else {
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SetPropertyInlinedProps<false>(thread, index, value);
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}
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}
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template <bool needBarrier>
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void JSObject::SetPropertyInlinedProps(const JSThread *thread, uint32_t index, JSTaggedValue value)
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{
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SetPropertyInlinedProps<needBarrier>(thread, GetJSHClass(), index, value);
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}
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JSTaggedValue JSObject::GetPropertyInlinedPropsWithRep(uint32_t index, PropertyAttributes attr) const
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{
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return GetPropertyInlinedPropsWithRep(GetJSHClass(), index, attr);
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}
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JSTaggedValue JSObject::GetPropertyInlinedPropsWithRep(const JSHClass *hclass, uint32_t index,
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PropertyAttributes attr) const
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{
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auto value = GetPropertyInlinedProps(hclass, index);
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if (attr.IsDoubleRep()) {
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value = JSTaggedValue(bit_cast<double>(value.GetRawData()));
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} else if (attr.IsIntRep()) {
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value = JSTaggedValue(static_cast<int32_t>(value.GetRawData()));
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}
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return value;
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}
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JSTaggedValue JSObject::GetPropertyInlinedProps(uint32_t index) const
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{
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return GetPropertyInlinedProps(GetJSHClass(), index);
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}
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template <bool needBarrier>
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void JSObject::SetPropertyInlinedProps(const JSThread *thread, const JSHClass *hclass, uint32_t index,
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JSTaggedValue value)
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{
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uint32_t offset = hclass->GetInlinedPropertiesOffset(index);
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if (needBarrier) {
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SET_VALUE_WITH_BARRIER(thread, this, offset, value);
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} else {
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SET_VALUE_PRIMITIVE(this, offset, value);
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}
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}
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JSTaggedValue JSObject::GetPropertyInlinedProps(const JSHClass *hclass, uint32_t index) const
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{
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uint32_t offset = hclass->GetInlinedPropertiesOffset(index);
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return JSTaggedValue(GET_VALUE(this, offset));
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}
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JSTaggedValue JSObject::GetProperty(const JSHClass *hclass, PropertyAttributes attr) const
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{
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if (attr.IsInlinedProps()) {
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return GetPropertyInlinedPropsWithRep(hclass, attr.GetOffset(), attr);
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}
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TaggedArray *array = TaggedArray::Cast(GetProperties().GetTaggedObject());
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return array->Get(attr.GetOffset() - hclass->GetInlinedProperties());
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}
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template <bool needBarrier>
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void JSObject::SetProperty(const JSThread *thread, const JSHClass *hclass, PropertyAttributes attr, JSTaggedValue value)
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{
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if (attr.IsInlinedProps()) {
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SetPropertyInlinedProps<needBarrier>(thread, hclass, attr.GetOffset(), value);
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} else {
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TaggedArray *array = TaggedArray::Cast(GetProperties().GetTaggedObject());
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array->Set<needBarrier>(thread, attr.GetOffset() - hclass->GetInlinedProperties(), value);
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}
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}
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inline bool JSObject::ShouldTransToDict(uint32_t capacity, uint32_t index)
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{
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if (index < capacity) {
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return false;
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}
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if (index - capacity > MAX_GAP) {
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return true;
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}
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if (index >= static_cast<uint32_t>(INT32_MAX)) {
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return true;
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}
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if (capacity >= MIN_GAP) {
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return index > capacity * FAST_ELEMENTS_FACTOR;
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}
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return false;
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}
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inline uint32_t JSObject::ComputeElementCapacity(uint32_t oldCapacity)
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{
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uint32_t newCapacity = oldCapacity + (oldCapacity >> 1U);
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return newCapacity > MIN_ELEMENTS_LENGTH ? newCapacity : MIN_ELEMENTS_LENGTH;
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}
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inline uint32_t JSObject::ComputePropertyCapacity(uint32_t oldCapacity)
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{
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uint32_t newCapacity = static_cast<uint32_t>(oldCapacity + PROPERTIES_GROW_SIZE);
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return newCapacity > JSHClass::MAX_CAPACITY_OF_OUT_OBJECTS ? JSHClass::MAX_CAPACITY_OF_OUT_OBJECTS
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: newCapacity;
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}
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// static
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template<ElementTypes types>
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JSHandle<JSTaggedValue> JSObject::CreateListFromArrayLike(JSThread *thread, const JSHandle<JSTaggedValue> &obj)
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{
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// 3. If Type(obj) is not Object, throw a TypeError exception.
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if (!obj->IsECMAObject()) {
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THROW_TYPE_ERROR_AND_RETURN(thread, "CreateListFromArrayLike must accept object",
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JSHandle<JSTaggedValue>(thread, JSTaggedValue::Exception()));
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}
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// 4. Let len be ToLength(Get(obj, "length")).
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JSHandle<JSTaggedValue> lengthKeyHandle = thread->GlobalConstants()->GetHandledLengthString();
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JSHandle<JSTaggedValue> value = GetProperty(thread, obj, lengthKeyHandle).GetValue();
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JSTaggedNumber number = JSTaggedValue::ToLength(thread, value);
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// 5. ReturnIfAbrupt(len).
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RETURN_HANDLE_IF_ABRUPT_COMPLETION(JSTaggedValue, thread);
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if (number.GetNumber() > MAX_ELEMENT_INDEX) {
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THROW_TYPE_ERROR_AND_RETURN(thread, "len is bigger than 2^32 - 1",
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JSHandle<JSTaggedValue>(thread, JSTaggedValue::Exception()));
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}
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uint32_t len = number.ToUint32();
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// 6. Let list be an empty List.
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JSHandle<TaggedArray> array = thread->GetEcmaVM()->GetFactory()->NewTaggedArray(len);
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if (obj->IsTypedArray()) {
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JSTypedArray::FastCopyElementToArray(thread, obj, array);
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// c. ReturnIfAbrupt(next).
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RETURN_HANDLE_IF_ABRUPT_COMPLETION(JSTaggedValue, thread);
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return JSHandle<JSTaggedValue>(array);
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}
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// 8. Repeat while index < len
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for (uint32_t i = 0; i < len; i++) {
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JSTaggedValue next = JSTaggedValue::GetProperty(thread, obj, i).GetValue().GetTaggedValue();
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// c. ReturnIfAbrupt(next).
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RETURN_HANDLE_IF_ABRUPT_COMPLETION(JSTaggedValue, thread);
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if constexpr (types == ElementTypes::STRING_AND_SYMBOL) {
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if (!next.IsString() && !next.IsSymbol()) {
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THROW_TYPE_ERROR_AND_RETURN(thread, "CreateListFromArrayLike: not an element of elementTypes",
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JSHandle<JSTaggedValue>(thread, JSTaggedValue::Exception()));
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}
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}
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array->Set(thread, i, next);
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}
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return JSHandle<JSTaggedValue>(array);
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}
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inline JSTaggedValue JSObject::ShouldGetValueFromBox(ObjectOperator *op)
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{
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JSTaggedValue result = op->GetValue();
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if (result.IsPropertyBox()) {
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result = PropertyBox::Cast(result.GetTaggedObject())->GetValue();
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}
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return result;
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}
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inline bool JSObject::CheckHClassHit(const JSHandle<JSObject> &obj, const JSHandle<JSHClass> &cls)
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{
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return obj->GetJSHClass() == *cls;
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}
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inline uint32_t JSObject::SetValuesOrEntries(JSThread *thread, const JSHandle<TaggedArray> &prop, uint32_t index,
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const JSHandle<JSTaggedValue> &key, const JSHandle<JSTaggedValue> &value,
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PropertyKind kind)
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{
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if (kind == PropertyKind::VALUE) {
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prop->Set(thread, index++, value);
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return index;
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}
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JSHandle<TaggedArray> keyValue = thread->GetEcmaVM()->GetFactory()->NewTaggedArray(2); // 2: key-value pair
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keyValue->Set(thread, 0, key);
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keyValue->Set(thread, 1, value);
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JSHandle<JSArray> entry = JSArray::CreateArrayFromList(thread, keyValue);
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prop->Set(thread, index++, entry.GetTaggedValue());
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return index;
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}
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inline std::pair<JSHandle<TaggedArray>, JSHandle<TaggedArray>> JSObject::GetOwnEnumerableNamesInFastMode(
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JSThread *thread, const JSHandle<JSObject> &obj, uint32_t *copyLengthOfKeys, uint32_t *copyLengthOfElements)
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{
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ObjectFactory *factory = thread->GetEcmaVM()->GetFactory();
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uint32_t numOfKeys = obj->GetNumberOfKeys();
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uint32_t numOfElements = obj->GetNumberOfElements();
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JSHandle<TaggedArray> elementArray = numOfElements > 0 ? JSObject::GetEnumElementKeys(
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thread, obj, 0, numOfElements, copyLengthOfElements) : factory->EmptyArray();
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JSHandle<TaggedArray> keyArray = numOfKeys > 0 ? JSObject::GetAllEnumKeys(
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thread, obj, 0, numOfKeys, copyLengthOfKeys) : factory->EmptyArray();
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return std::make_pair(keyArray, elementArray);
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}
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} // namespace panda::ecmascript
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#endif // ECMASCRIPT_JSOBJECT_INL_H
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