mirror of
https://gitee.com/openharmony/arkcompiler_ets_runtime
synced 2024-10-07 08:03:29 +00:00
0500527db8
Issue: #I67PO6 Signed-off-by: Gymee <yumeijie@huawei.com>
305 lines
11 KiB
C++
305 lines
11 KiB
C++
/*
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* Copyright (c) 2022 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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#include "ecmascript/js_api/js_api_deque.h"
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#include "ecmascript/containers/containers_errors.h"
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#include "ecmascript/ecma_vm.h"
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#include "ecmascript/js_object.h"
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#include "ecmascript/js_tagged_value.h"
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#include "ecmascript/js_tagged_value-inl.h"
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#include "ecmascript/js_thread.h"
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#include "ecmascript/object_factory.h"
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#include "ecmascript/tagged_array.h"
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#include "ecmascript/tagged_array-inl.h"
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namespace panda::ecmascript {
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using ContainerError = containers::ContainerError;
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using ErrorFlag = containers::ErrorFlag;
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class JSAPIDequelterator;
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void JSAPIDeque::InsertFront(JSThread *thread, const JSHandle<JSAPIDeque> &deque, const JSHandle<JSTaggedValue> &value)
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{
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JSHandle<TaggedArray> elements(thread, deque->GetElements());
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ASSERT(!elements->IsDictionaryMode());
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uint32_t capacity = elements->GetLength();
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uint32_t first = deque->GetFirst();
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uint32_t last = deque->GetLast();
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ASSERT(capacity != 0);
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if ((first + capacity - 1) % capacity == last) {
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elements = GrowCapacity(thread, deque, capacity, first, last);
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ASSERT(!elements->IsDictionaryMode());
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deque->SetLast(capacity - 1);
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first = 0;
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}
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capacity = elements->GetLength();
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ASSERT(capacity != 0);
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first = (first + capacity - 1) % capacity;
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elements->Set(thread, first, value);
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deque->SetFirst(first);
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}
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void JSAPIDeque::InsertEnd(JSThread *thread, const JSHandle<JSAPIDeque> &deque, const JSHandle<JSTaggedValue> &value)
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{
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JSHandle<TaggedArray> elements(thread, deque->GetElements());
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ASSERT(!elements->IsDictionaryMode());
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uint32_t capacity = elements->GetLength();
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uint32_t first = deque->GetFirst();
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uint32_t last = deque->GetLast();
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ASSERT(capacity != 0);
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if (first == (last + 1) % capacity) {
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elements = GrowCapacity(thread, deque, capacity, first, last);
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ASSERT(!elements->IsDictionaryMode());
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deque->SetFirst(0);
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last = capacity - 1;
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}
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elements->Set(thread, last, value);
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capacity = elements->GetLength();
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ASSERT(capacity != 0);
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last = (last + 1) % capacity;
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deque->SetLast(last);
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}
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JSTaggedValue JSAPIDeque::GetFront()
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{
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if (JSAPIDeque::IsEmpty()) {
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return JSTaggedValue::Undefined();
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}
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TaggedArray *elements = TaggedArray::Cast(GetElements().GetTaggedObject());
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ASSERT(!elements->IsDictionaryMode());
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return elements->Get(GetFirst());
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}
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JSTaggedValue JSAPIDeque::GetTail()
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{
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if (JSAPIDeque::IsEmpty()) {
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return JSTaggedValue::Undefined();
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}
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TaggedArray *elements = TaggedArray::Cast(GetElements().GetTaggedObject());
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ASSERT(!elements->IsDictionaryMode());
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uint32_t capacity = elements->GetLength();
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uint32_t last = GetLast();
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ASSERT(capacity != 0);
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return elements->Get((last + capacity - 1) % capacity);
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}
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JSHandle<TaggedArray> JSAPIDeque::GrowCapacity(JSThread *thread, const JSHandle<JSAPIDeque> &deque,
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uint32_t oldCapacity, uint32_t first, uint32_t last)
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{
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JSHandle<TaggedArray> oldElements(thread, deque->GetElements());
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ASSERT(!oldElements->IsDictionaryMode());
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uint32_t newCapacity = ComputeCapacity(oldCapacity);
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uint32_t size = deque->GetSize();
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JSHandle<TaggedArray> newElements =
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thread->GetEcmaVM()->GetFactory()->CopyDeque(oldElements, newCapacity, size, first, last);
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deque->SetElements(thread, newElements);
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return newElements;
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}
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JSTaggedValue JSAPIDeque::PopFirst()
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{
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if (JSAPIDeque::IsEmpty()) {
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return JSTaggedValue::Undefined();
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}
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uint32_t first = GetFirst();
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TaggedArray *elements = TaggedArray::Cast(GetElements().GetTaggedObject());
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ASSERT(!elements->IsDictionaryMode());
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uint32_t capacity = elements->GetLength();
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JSTaggedValue firstElement = elements->Get(first);
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ASSERT(capacity != 0);
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first = (first + 1) % capacity;
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SetFirst(first);
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return firstElement;
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}
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JSTaggedValue JSAPIDeque::PopLast()
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{
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if (JSAPIDeque::IsEmpty()) {
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return JSTaggedValue::Undefined();
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}
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uint32_t last = GetLast();
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TaggedArray *elements = TaggedArray::Cast(GetElements().GetTaggedObject());
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ASSERT(!elements->IsDictionaryMode());
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uint32_t capacity = elements->GetLength();
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ASSERT(capacity != 0);
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last = (last + capacity - 1) % capacity;
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JSTaggedValue lastElement = elements->Get(last);
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SetLast(last);
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return lastElement;
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}
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bool JSAPIDeque::IsEmpty()
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{
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uint32_t first = GetFirst();
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uint32_t last = GetLast();
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return first == last;
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}
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uint32_t JSAPIDeque::GetSize() const
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{
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TaggedArray *elements = TaggedArray::Cast(GetElements().GetTaggedObject());
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uint32_t capacity = elements->GetLength();
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uint32_t first = GetFirst();
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uint32_t last = GetLast();
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ASSERT(capacity != 0);
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return (last - first + capacity) % capacity;
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}
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JSTaggedValue JSAPIDeque::Get(const uint32_t index)
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{
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ASSERT(index < GetSize());
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TaggedArray *elements = TaggedArray::Cast(GetElements().GetTaggedObject());
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uint32_t capacity = elements->GetLength();
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uint32_t first = GetFirst();
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ASSERT(capacity != 0);
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uint32_t curIndex = (first + index) % capacity;
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return elements->Get(curIndex);
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}
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JSTaggedValue JSAPIDeque::Set(JSThread *thread, const uint32_t index, JSTaggedValue value)
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{
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ASSERT(index < GetSize());
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TaggedArray *elements = TaggedArray::Cast(GetElements().GetTaggedObject());
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uint32_t capacity = elements->GetLength();
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uint32_t first = GetFirst();
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ASSERT(capacity != 0);
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uint32_t curIndex = (first + index) % capacity;
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elements->Set(thread, curIndex, value);
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return JSTaggedValue::Undefined();
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}
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bool JSAPIDeque::Has(JSTaggedValue value) const
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{
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uint32_t first = GetFirst();
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uint32_t last = GetLast();
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TaggedArray *elements = TaggedArray::Cast(GetElements().GetTaggedObject());
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uint32_t capacity = elements->GetLength();
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uint32_t index = first;
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while (index != last) {
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if (JSTaggedValue::SameValue(elements->Get(index), value)) {
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return true;
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}
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ASSERT(capacity != 0);
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index = (index + 1) % capacity;
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}
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return false;
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}
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JSHandle<TaggedArray> JSAPIDeque::OwnKeys(JSThread *thread, const JSHandle<JSAPIDeque> &deque)
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{
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uint32_t length = deque->GetSize();
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JSHandle<TaggedArray> oldElements(thread, deque->GetElements());
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ASSERT(!oldElements->IsDictionaryMode());
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uint32_t oldCapacity = oldElements->GetLength();
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uint32_t newCapacity = ComputeCapacity(oldCapacity);
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uint32_t firstIndex = deque->GetFirst();
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uint32_t lastIndex = deque->GetLast();
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JSHandle<TaggedArray> newElements =
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thread->GetEcmaVM()->GetFactory()->CopyDeque(oldElements, newCapacity, length, firstIndex, lastIndex);
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deque->SetFirst(0);
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deque->SetLast(length);
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deque->SetElements(thread, newElements);
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return JSObject::GetOwnPropertyKeys(thread, JSHandle<JSObject>::Cast(deque));
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}
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JSHandle<TaggedArray> JSAPIDeque::OwnEnumKeys(JSThread *thread, const JSHandle<JSAPIDeque> &deque)
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{
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uint32_t length = deque->GetSize();
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JSHandle<TaggedArray> oldElements(thread, deque->GetElements());
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ASSERT(!oldElements->IsDictionaryMode());
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uint32_t oldCapacity = oldElements->GetLength();
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uint32_t newCapacity = ComputeCapacity(oldCapacity);
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uint32_t firstIndex = deque->GetFirst();
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uint32_t lastIndex = deque->GetLast();
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JSHandle<TaggedArray> newElements =
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thread->GetEcmaVM()->GetFactory()->CopyDeque(oldElements, newCapacity, length, firstIndex, lastIndex);
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deque->SetFirst(0);
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deque->SetLast(length);
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deque->SetElements(thread, newElements);
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return JSObject::GetOwnEnumPropertyKeys(thread, JSHandle<JSObject>::Cast(deque));
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}
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bool JSAPIDeque::GetOwnProperty(JSThread *thread, const JSHandle<JSAPIDeque> &deque,
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const JSHandle<JSTaggedValue> &key)
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{
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uint32_t index = 0;
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if (UNLIKELY(!JSTaggedValue::ToElementIndex(key.GetTaggedValue(), &index))) {
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JSHandle<EcmaString> result = JSTaggedValue::ToString(thread, key.GetTaggedValue());
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CString errorMsg =
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"The type of \"key\" can not obtain attributes of no-number type. Received value is: "
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+ ConvertToString(*result);
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JSTaggedValue error = ContainerError::BusinessError(thread, ErrorFlag::TYPE_ERROR, errorMsg.c_str());
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THROW_NEW_ERROR_AND_RETURN_VALUE(thread, error, false);
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}
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uint32_t length = deque->GetSize();
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if (index >= length) {
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std::ostringstream oss;
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oss << "The value of \"index\" is out of range. It must be > " << (length - 1)
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<< ". Received value is: " << index;
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JSTaggedValue error = ContainerError::BusinessError(thread, ErrorFlag::RANGE_ERROR, oss.str().c_str());
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THROW_NEW_ERROR_AND_RETURN_VALUE(thread, error, false);
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}
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deque->Get(index);
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return true;
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}
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JSTaggedValue JSAPIDeque::GetIteratorObj(JSThread *thread, const JSHandle<JSAPIDeque> &deque)
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{
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ObjectFactory *factory = thread->GetEcmaVM()->GetFactory();
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JSHandle<JSAPIDequeIterator> iter(factory->NewJSAPIDequeIterator(deque));
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return iter.GetTaggedValue();
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}
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OperationResult JSAPIDeque::GetProperty(JSThread *thread, const JSHandle<JSAPIDeque> &obj,
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const JSHandle<JSTaggedValue> &key)
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{
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int length = static_cast<int>(obj->GetSize());
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int index = key->GetInt();
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if (index < 0 || index >= length) {
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std::ostringstream oss;
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oss << "The value of \"index\" is out of range. It must be >= 0 && <= " << (length - 1)
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<< ". Received value is: " << index;
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JSTaggedValue error = ContainerError::BusinessError(thread, ErrorFlag::RANGE_ERROR, oss.str().c_str());
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THROW_NEW_ERROR_AND_RETURN_VALUE(thread, error, OperationResult(thread,
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JSTaggedValue::Exception(),
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PropertyMetaData(false)));
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}
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return OperationResult(thread, obj->Get(index), PropertyMetaData(false));
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}
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bool JSAPIDeque::SetProperty(JSThread *thread, const JSHandle<JSAPIDeque> &obj,
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const JSHandle<JSTaggedValue> &key,
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const JSHandle<JSTaggedValue> &value)
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{
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int length = static_cast<int>(obj->GetSize());
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int index = key->GetInt();
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if (index < 0 || index >= length) {
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return false;
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}
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obj->Set(thread, index, value.GetTaggedValue());
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return true;
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}
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} // namespace panda::ecmascript
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