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https://gitee.com/openharmony/arkcompiler_ets_runtime
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287 lines
11 KiB
C++
287 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_queue.h"
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#include "ecmascript/interpreter/fast_runtime_stub-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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void JSAPIQueue::Add(JSThread *thread, const JSHandle<JSAPIQueue> &queue, const JSHandle<JSTaggedValue> &value)
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{
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uint32_t length = queue->GetLength().GetArrayLength();
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JSHandle<TaggedArray> elements = GrowCapacity(thread, queue, length + 1);
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ASSERT(!elements->IsDictionaryMode());
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uint32_t tail = queue->GetTail();
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elements->Set(thread, tail, value);
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queue->SetLength(thread, JSTaggedValue(++length));
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uint32_t elementsSize = elements->GetLength();
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ASSERT(elementsSize != 0);
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queue->SetTail((tail + 1) % elementsSize);
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}
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JSHandle<TaggedArray> JSAPIQueue::GrowCapacity(const JSThread *thread, const JSHandle<JSAPIQueue> &obj,
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uint32_t capacity)
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{
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JSHandle<TaggedArray> newElements;
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uint32_t front = obj->GetFront();
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uint32_t tail = obj->GetTail();
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JSHandle<TaggedArray> oldElements(thread, obj->GetElements());
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ASSERT(!oldElements->IsDictionaryMode());
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uint32_t oldLength = oldElements->GetLength();
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uint32_t newCapacity = 0;
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if (oldLength == 0) {
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newCapacity = ComputeCapacity(capacity);
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newElements = thread->GetEcmaVM()->GetFactory()->CopyArray(oldElements, oldLength, newCapacity);
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} else if ((tail + 1) % oldLength == front) {
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newCapacity = ComputeCapacity(capacity);
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newElements = thread->GetEcmaVM()->GetFactory()->CopyQueue(oldElements, newCapacity, front, tail);
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front = 0;
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tail = oldLength - 1;
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} else {
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return oldElements;
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}
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obj->SetElements(thread, newElements);
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obj->SetFront(front);
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obj->SetTail(tail);
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return newElements;
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}
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JSTaggedValue JSAPIQueue::GetFirst(JSThread *thread, const JSHandle<JSAPIQueue> &queue)
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{
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if (queue->GetLength().GetArrayLength() < 1) {
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return JSTaggedValue::Undefined();
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}
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uint32_t index = queue->GetFront();
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JSHandle<TaggedArray> elements(thread, queue->GetElements());
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ASSERT(!elements->IsDictionaryMode());
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return elements->Get(index);
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}
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JSTaggedValue JSAPIQueue::Pop(JSThread *thread, const JSHandle<JSAPIQueue> &queue)
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{
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uint32_t length = queue->GetLength().GetArrayLength();
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if (length < 1) {
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return JSTaggedValue::Undefined();
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}
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JSHandle<TaggedArray> elements(thread, queue->GetElements());
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ASSERT(!elements->IsDictionaryMode());
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uint32_t front = queue->GetFront();
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JSTaggedValue value = elements->Get(front);
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queue->SetLength(thread, JSTaggedValue(length - 1));
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uint32_t elementsSize = elements->GetLength();
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ASSERT(elementsSize != 0);
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queue->SetFront((front + 1) % elementsSize);
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return value;
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}
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JSTaggedValue JSAPIQueue::Get(JSThread *thread, const uint32_t index)
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{
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uint32_t length = GetSize();
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if (index >= length) {
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ASSERT(length > 0);
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std::ostringstream oss;
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oss << "The value of \"Get property index\" is out of range. It must be >= 0 && <= "
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<< (length - 1) << ". 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, JSTaggedValue::Exception());
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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 front = GetCurrentFront();
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ASSERT(capacity != 0);
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uint32_t curIndex = (front + index) % capacity;
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return elements->Get(curIndex);
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}
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JSTaggedValue JSAPIQueue::Set(JSThread *thread, const uint32_t index, JSTaggedValue value)
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{
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if (index < 0 || index >= GetLength().GetArrayLength()) {
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ASSERT(GetLength().GetArrayLength() > 0);
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std::ostringstream oss;
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oss << "The value of \"Set property index\" is out of range. It must be >= 0 && <= "
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<< (GetLength().GetArrayLength() - 1) << ". 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, JSTaggedValue::Exception());
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}
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TaggedArray *elements = TaggedArray::Cast(GetElements().GetTaggedObject());
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elements->Set(thread, index, value);
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return JSTaggedValue::Undefined();
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}
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bool JSAPIQueue::Has(JSTaggedValue value) const
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{
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uint32_t begin = GetCurrentFront();
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uint32_t end = GetCurrentTail();
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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 = begin;
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while (index != end) {
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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> JSAPIQueue::OwnKeys(JSThread *thread, const JSHandle<JSAPIQueue> &obj)
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{
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uint32_t length = obj->GetLength().GetArrayLength();
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JSHandle<TaggedArray> oldElements(thread, obj->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 front = obj->GetFront();
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uint32_t tail = obj->GetTail();
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JSHandle<TaggedArray> newElements =
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thread->GetEcmaVM()->GetFactory()->CopyQueue(oldElements, newCapacity, front, tail);
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obj->SetFront(0);
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obj->SetTail(length);
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obj->SetElements(thread, newElements);
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return JSObject::GetOwnPropertyKeys(thread, JSHandle<JSObject>::Cast(obj));
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}
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JSHandle<TaggedArray> JSAPIQueue::OwnEnumKeys(JSThread *thread, const JSHandle<JSAPIQueue> &obj)
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{
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uint32_t length = obj->GetLength().GetArrayLength();
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JSHandle<TaggedArray> oldElements(thread, obj->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 front = obj->GetFront();
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uint32_t tail = obj->GetTail();
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JSHandle<TaggedArray> newElements =
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thread->GetEcmaVM()->GetFactory()->CopyQueue(oldElements, newCapacity, front, tail);
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obj->SetFront(0);
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obj->SetTail(length);
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obj->SetElements(thread, newElements);
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return JSObject::GetOwnEnumPropertyKeys(thread, JSHandle<JSObject>::Cast(obj));
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}
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bool JSAPIQueue::GetOwnProperty(JSThread *thread, const JSHandle<JSAPIQueue> &obj,
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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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RETURN_VALUE_IF_ABRUPT_COMPLETION(thread, false);
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CString errorMsg =
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"The type of \"index\" 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 = obj->GetLength().GetArrayLength();
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if (index >= length) {
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ASSERT(length > 0);
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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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obj->Get(thread, index);
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RETURN_VALUE_IF_ABRUPT_COMPLETION(thread, false);
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return true;
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}
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OperationResult JSAPIQueue::GetProperty(JSThread *thread, const JSHandle<JSAPIQueue> &obj,
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const JSHandle<JSTaggedValue> &key)
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{
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int32_t length = static_cast<int32_t>(obj->GetSize());
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JSHandle<JSTaggedValue> indexKey = key;
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if (indexKey->IsDouble()) {
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/* 将Math.floor(1)等形式的double变量处理为Int，而大于INT32_MAX的整数仍然是double形式 */
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indexKey = JSHandle<JSTaggedValue>(thread, JSTaggedValue::TryCastDoubleToInt32(indexKey->GetDouble()));
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}
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if (!indexKey->IsInt()) {
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CString errorMsg = "The type of \"index\" must be small integer.";
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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,
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OperationResult(thread, JSTaggedValue::Exception(), PropertyMetaData(false)));
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}
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int index = indexKey->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(thread, static_cast<uint32_t>(index)), PropertyMetaData(false));
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}
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bool JSAPIQueue::SetProperty(JSThread *thread, const JSHandle<JSAPIQueue> &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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uint32_t length = obj->GetSize();
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double index = key->GetNumber();
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if (index < 0 || static_cast<uint32_t>(index) >= length) {
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return false;
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}
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obj->Set(thread, static_cast<uint32_t>(index), value.GetTaggedValue());
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RETURN_VALUE_IF_ABRUPT_COMPLETION(thread, false);
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return true;
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}
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uint32_t JSAPIQueue::GetArrayLength(JSThread *thread, const JSHandle<JSAPIQueue> &queue)
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{
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uint32_t begin = queue->GetCurrentFront();
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uint32_t end = queue->GetCurrentTail();
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JSHandle<TaggedArray> elements(thread, queue->GetElements());
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ASSERT(!elements->IsDictionaryMode());
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uint32_t elementsSize = elements->GetLength();
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ASSERT(elementsSize != 0);
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uint32_t length = (end - begin + elementsSize) % elementsSize;
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return length;
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}
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uint32_t JSAPIQueue::GetNextPosition(uint32_t current)
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{
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uint32_t next = 0;
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TaggedArray *elements = TaggedArray::Cast(GetElements().GetTaggedObject());
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uint32_t elementsSize = elements->GetLength();
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ASSERT(elementsSize != 0);
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next = (current + 1) % elementsSize;
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return next;
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}
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} // namespace panda::ecmascript
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