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arkcompiler_ets_runtime/ecmascript/object_factory.cpp
wupengyong d732a736fb Reason:optimize CopyArray 
Issue: https://gitee.com/openharmony/arkcompiler_ets_runtime/issues/IAXXBN?from=project-issue
Test: Build & Boot devices

Signed-off-by: wupengyong <wupengyong@huawei.com>
Change-Id: I41d4a322cec55051d06f33f7fb821e4a5a2d8a1f
2024-10-21 16:53:37 +08:00

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/*
* Copyright (c) 2021-2022 Huawei Device Co., Ltd.
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "ecmascript/dfx/native_module_failure_info.h"
#include "ecmascript/builtins/builtins.h"
#include "ecmascript/builtins/builtins_errors.h"
#include "ecmascript/ecma_string_table.h"
#include "ecmascript/ecma_string-inl.h"
#include "ecmascript/ic/ic_handler.h"
#include "ecmascript/ic/profile_type_info.h"
#include "ecmascript/ic/proto_change_details.h"
#include "ecmascript/jobs/pending_job.h"
#include "ecmascript/js_api/js_api_arraylist.h"
#include "ecmascript/js_api/js_api_arraylist_iterator.h"
#include "ecmascript/js_api/js_api_bitvector.h"
#include "ecmascript/js_api/js_api_bitvector_iterator.h"
#include "ecmascript/js_api/js_api_deque.h"
#include "ecmascript/js_api/js_api_deque_iterator.h"
#include "ecmascript/js_api/js_api_hashmap_iterator.h"
#include "ecmascript/js_api/js_api_hashset.h"
#include "ecmascript/js_api/js_api_hashset_iterator.h"
#include "ecmascript/js_api/js_api_lightweightmap.h"
#include "ecmascript/js_api/js_api_lightweightmap_iterator.h"
#include "ecmascript/js_api/js_api_lightweightset.h"
#include "ecmascript/js_api/js_api_lightweightset_iterator.h"
#include "ecmascript/js_api/js_api_linked_list.h"
#include "ecmascript/js_api/js_api_linked_list_iterator.h"
#include "ecmascript/js_api/js_api_list.h"
#include "ecmascript/js_api/js_api_list_iterator.h"
#include "ecmascript/js_api/js_api_plain_array.h"
#include "ecmascript/js_api/js_api_plain_array_iterator.h"
#include "ecmascript/js_api/js_api_queue.h"
#include "ecmascript/js_api/js_api_queue_iterator.h"
#include "ecmascript/js_api/js_api_stack_iterator.h"
#include "ecmascript/js_api/js_api_tree_map.h"
#include "ecmascript/js_api/js_api_tree_map_iterator.h"
#include "ecmascript/js_api/js_api_tree_set.h"
#include "ecmascript/js_api/js_api_tree_set_iterator.h"
#include "ecmascript/js_api/js_api_vector.h"
#include "ecmascript/js_api/js_api_vector_iterator.h"
#include "ecmascript/js_arguments.h"
#include "ecmascript/js_array_iterator.h"
#include "ecmascript/js_arraybuffer.h"
#include "ecmascript/js_async_from_sync_iterator.h"
#include "ecmascript/js_async_function.h"
#include "ecmascript/js_async_generator_object.h"
#include "ecmascript/js_finalization_registry.h"
#include "ecmascript/js_for_in_iterator.h"
#include "ecmascript/js_map.h"
#include "ecmascript/js_map_iterator.h"
#include "ecmascript/js_primitive_ref.h"
#include "ecmascript/js_promise.h"
#include "ecmascript/js_realm.h"
#include "ecmascript/js_regexp.h"
#include "ecmascript/js_regexp_iterator.h"
#include "ecmascript/js_set.h"
#include "ecmascript/js_set_iterator.h"
#include "ecmascript/js_string_iterator.h"
#include "ecmascript/js_weak_container.h"
#include "ecmascript/js_weak_ref.h"
#include "ecmascript/jspandafile/program_object.h"
#include "ecmascript/marker_cell.h"
#include "ecmascript/object_factory.h"
#include "ecmascript/require/js_cjs_exports.h"
#include "ecmascript/require/js_cjs_require.h"
#include "ecmascript/shared_mm/shared_mm.h"
#include "ecmascript/shared_objects/js_shared_array.h"
#include "ecmascript/shared_objects/js_sendable_arraybuffer.h"
#include "ecmascript/shared_objects/js_shared_array_iterator.h"
#include "ecmascript/shared_objects/js_shared_map.h"
#include "ecmascript/shared_objects/js_shared_map_iterator.h"
#include "ecmascript/shared_objects/js_shared_set.h"
#include "ecmascript/shared_objects/js_shared_set_iterator.h"
#include "ecmascript/shared_objects/js_shared_typed_array.h"
#include "ecmascript/symbol_table.h"
#include "ecmascript/template_map.h"
#include "ecmascript/vtable.h"
#ifdef ARK_SUPPORT_INTL
#include "ecmascript/js_collator.h"
#include "ecmascript/js_date_time_format.h"
#include "ecmascript/js_displaynames.h"
#include "ecmascript/js_list_format.h"
#include "ecmascript/js_number_format.h"
#include "ecmascript/js_plural_rules.h"
#include "ecmascript/js_relative_time_format.h"
#include "ecmascript/js_segmenter.h"
#include "ecmascript/js_segments.h"
#include "ecmascript/js_segment_iterator.h"
#endif
namespace panda::ecmascript {
using Error = builtins::BuiltinsError;
using RangeError = builtins::BuiltinsRangeError;
using ReferenceError = builtins::BuiltinsReferenceError;
using TypeError = builtins::BuiltinsTypeError;
using AggregateError = builtins::BuiltinsAggregateError;
using URIError = builtins::BuiltinsURIError;
using SyntaxError = builtins::BuiltinsSyntaxError;
using EvalError = builtins::BuiltinsEvalError;
using OOMError = builtins::BuiltinsOOMError;
using ErrorType = base::ErrorType;
using ErrorHelper = base::ErrorHelper;
ObjectFactory::ObjectFactory(JSThread *thread, Heap *heap, SharedHeap *sHeap)
: thread_(thread), vm_(thread->GetEcmaVM()), heap_(heap), sHeap_(sHeap) {}
JSHandle<Method> ObjectFactory::NewMethodForNativeFunction(const void *func, FunctionKind kind,
kungfu::BuiltinsStubCSigns::ID builtinId,
MemSpaceType methodSpaceType)
{
uint32_t numArgs = 2; // function object and this
auto method = NewSMethod(nullptr, methodSpaceType);
method->SetNativePointer(const_cast<void *>(func));
method->SetNativeBit(true);
if (builtinId != kungfu::BuiltinsStubCSigns::INVALID) {
bool isFast = kungfu::BuiltinsStubCSigns::IsFastBuiltin(builtinId);
method->SetFastBuiltinBit(isFast);
method->SetBuiltinId(static_cast<uint8_t>(builtinId));
}
method->SetNumArgsWithCallField(numArgs);
method->SetFunctionKind(kind);
return method;
}
JSHandle<JSHClass> ObjectFactory::NewEcmaHClassClass(JSHClass *hclass, uint32_t size, JSType type)
{
NewObjectHook();
uint32_t classSize = JSHClass::SIZE;
auto *newClass = static_cast<JSHClass *>(heap_->AllocateClassClass(hclass, classSize));
newClass->Initialize(thread_, size, type, 0);
return JSHandle<JSHClass>(thread_, newClass);
}
JSHandle<JSHClass> ObjectFactory::InitClassClass()
{
JSHandle<JSHClass> hClassHandle = NewEcmaHClassClass(nullptr, JSHClass::SIZE, JSType::HCLASS);
JSHClass *hclass = reinterpret_cast<JSHClass *>(hClassHandle.GetTaggedValue().GetTaggedObject());
hclass->SetClass(thread_, hclass);
return hClassHandle;
}
JSHandle<JSHClass> ObjectFactory::NewEcmaHClass(JSHClass *hclass, uint32_t size, JSType type, uint32_t inlinedProps)
{
NewObjectHook();
uint32_t classSize = JSHClass::SIZE;
auto *newClass = static_cast<JSHClass *>(heap_->AllocateNonMovableOrHugeObject(hclass, classSize));
newClass->Initialize(thread_, size, type, inlinedProps);
return JSHandle<JSHClass>(thread_, newClass);
}
// This function don't UpdateProtoClass
JSHandle<JSHClass> ObjectFactory::NewEcmaHClass(uint32_t size, uint32_t inlinedProps, JSType type,
const JSHandle<JSTaggedValue> &prototype, const JSHandle<JSTaggedValue> &layout)
{
NewSObjectHook();
uint32_t classSize = JSHClass::SIZE;
auto *newClass = static_cast<JSHClass *>(heap_->AllocateNonMovableOrHugeObject(
JSHClass::Cast(thread_->GlobalConstants()->GetHClassClass().GetTaggedObject()), classSize));
newClass->Initialize(thread_, size, type, inlinedProps, layout);
JSHandle<JSHClass> hclass(thread_, newClass);
if (prototype->IsJSObject()) {
prototype->GetTaggedObject()->GetClass()->SetIsPrototype(true);
}
hclass->SetProto(thread_, prototype.GetTaggedValue());
hclass->SetNumberOfProps(inlinedProps);
hclass->SetExtensible(false);
return hclass;
}
JSHandle<JSHClass> ObjectFactory::NewEcmaReadOnlyHClass(JSHClass *hclass, uint32_t size, JSType type,
uint32_t inlinedProps)
{
NewObjectHook();
uint32_t classSize = JSHClass::SIZE;
auto *newClass = static_cast<JSHClass *>(heap_->AllocateReadOnlyOrHugeObject(hclass, classSize));
ASSERT(newClass != nullptr);
newClass->Initialize(thread_, size, type, inlinedProps);
return JSHandle<JSHClass>(thread_, newClass);
}
JSHandle<JSHClass> ObjectFactory::NewEcmaHClass(uint32_t size, JSType type, uint32_t inlinedProps)
{
return NewEcmaHClass(JSHClass::Cast(thread_->GlobalConstants()->GetHClassClass().GetTaggedObject()),
size, type, inlinedProps);
}
void ObjectFactory::InitObjectFields(const TaggedObject *object)
{
auto *klass = object->GetClass();
auto objBodySize = klass->GetObjectSize() - TaggedObject::TaggedObjectSize();
ASSERT(objBodySize % JSTaggedValue::TaggedTypeSize() == 0);
uint32_t numOfFields = objBodySize / JSTaggedValue::TaggedTypeSize();
size_t addr = reinterpret_cast<uintptr_t>(object) + TaggedObject::TaggedObjectSize();
for (uint32_t i = 0; i < numOfFields; i++) {
auto *fieldAddr = reinterpret_cast<JSTaggedType *>(addr + i * JSTaggedValue::TaggedTypeSize());
*fieldAddr = JSTaggedValue::Undefined().GetRawData();
}
}
void ObjectFactory::NewJSArrayBufferData(const JSHandle<JSArrayBuffer> &array, int32_t length)
{
if (length == 0) {
return;
}
JSTaggedValue data = array->GetArrayBufferData();
size_t size = static_cast<size_t>(length) * sizeof(uint8_t);
if (!data.IsUndefined()) {
auto *pointer = JSNativePointer::Cast(data.GetTaggedObject());
auto newData = vm_->GetNativeAreaAllocator()->AllocateBuffer(size);
heap_->IncNativeSizeAfterLastGC(size);
if (memset_s(newData, length, 0, length) != EOK) {
LOG_FULL(FATAL) << "memset_s failed";
UNREACHABLE();
}
pointer->ResetExternalPointer(thread_, newData);
vm_->GetNativeAreaAllocator()->ModifyNativeSizeStats(pointer->GetBindingSize(), size,
NativeFlag::ARRAY_BUFFER);
return;
}
auto newData = vm_->GetNativeAreaAllocator()->AllocateBuffer(size);
heap_->IncNativeSizeAfterLastGC(size);
if (memset_s(newData, length, 0, length) != EOK) {
LOG_FULL(FATAL) << "memset_s failed";
UNREACHABLE();
}
JSHandle<JSNativePointer> pointer = NewJSNativePointer(newData, NativeAreaAllocator::FreeBufferFunc,
vm_->GetNativeAreaAllocator(), false, size, Concurrent::NO,
NativeFlag::ARRAY_BUFFER);
array->SetArrayBufferData(thread_, pointer);
array->SetWithNativeAreaAllocator(true);
vm_->GetNativeAreaAllocator()->IncreaseNativeSizeStats(length, NativeFlag::ARRAY_BUFFER);
}
void ObjectFactory::NewJSSendableArrayBufferData(const JSHandle<JSSendableArrayBuffer> &array, int32_t length)
{
if (length == 0) {
return;
}
JSTaggedValue data = array->GetArrayBufferData();
size_t size = static_cast<size_t>(length) * sizeof(uint8_t);
NativeAreaAllocator *nativeAreaAllocator = sHeap_->GetNativeAreaAllocator();
if (!data.IsUndefined()) {
auto *pointer = JSNativePointer::Cast(data.GetTaggedObject());
auto newData = nativeAreaAllocator->AllocateBuffer(size);
if (newData == nullptr) {
LOG_ECMA(FATAL) << "ObjectFactory::NewJSSendableArrayBufferData:newData is nullptr";
}
if (memset_s(newData, length, 0, length) != EOK) {
LOG_FULL(FATAL) << "memset_s failed";
UNREACHABLE();
}
pointer->ResetExternalPointer(thread_, newData);
nativeAreaAllocator->ModifyNativeSizeStats(pointer->GetBindingSize(), size,
NativeFlag::ARRAY_BUFFER);
return;
}
auto newData = nativeAreaAllocator->AllocateBuffer(size);
if (newData == nullptr) {
LOG_ECMA(FATAL) << "ObjectFactory::NewJSSendableArrayBufferData:newData is nullptr";
}
if (memset_s(newData, length, 0, length) != EOK) {
LOG_FULL(FATAL) << "memset_s failed";
UNREACHABLE();
}
JSHandle<JSNativePointer> pointer = NewSJSNativePointer(newData, NativeAreaAllocator::FreeBufferFunc,
nativeAreaAllocator, false, size,
NativeFlag::ARRAY_BUFFER);
array->SetArrayBufferData(thread_, pointer);
array->SetWithNativeAreaAllocator(true);
nativeAreaAllocator->IncreaseNativeSizeStats(length, NativeFlag::ARRAY_BUFFER);
}
JSHandle<JSSendableArrayBuffer> ObjectFactory::NewJSSendableArrayBuffer(int32_t length)
{
JSHandle<GlobalEnv> env = vm_->GetGlobalEnv();
JSHandle<JSFunction> constructor(env->GetSBuiltininArrayBufferFunction());
JSHandle<JSSendableArrayBuffer> sendableArrayBuffer(NewJSObjectByConstructor(constructor));
sendableArrayBuffer->SetArrayBufferByteLength(length);
if (length > 0) {
NewJSSendableArrayBufferData(sendableArrayBuffer, length);
sendableArrayBuffer->SetShared(false);
}
return sendableArrayBuffer;
}
JSHandle<JSSendableArrayBuffer> ObjectFactory::NewJSSendableArrayBuffer(void *buffer, int32_t length,
const NativePointerCallback &deleter,
void *data)
{
JSHandle<GlobalEnv> env = vm_->GetGlobalEnv();
JSHandle<JSFunction> constructor(env->GetSBuiltininArrayBufferFunction());
JSHandle<JSSendableArrayBuffer> sendableArrayBuffer(NewJSObjectByConstructor(constructor));
length = buffer == nullptr ? 0 : length;
sendableArrayBuffer->SetArrayBufferByteLength(length);
if (length > 0) {
JSHandle<JSNativePointer> pointer = NewSJSNativePointer(buffer, deleter, data, false, length);
sendableArrayBuffer->SetArrayBufferData(thread_, pointer.GetTaggedValue());
sendableArrayBuffer->SetShared(false);
sendableArrayBuffer->SetWithNativeAreaAllocator(deleter == NativeAreaAllocator::FreeBufferFunc &&
data == vm_->GetNativeAreaAllocator());
}
return sendableArrayBuffer;
}
void ObjectFactory::NewJSSharedArrayBufferData(const JSHandle<JSArrayBuffer> &array, int32_t length)
{
if (length == 0) {
return;
}
void *newData = nullptr;
size_t size =
JSSharedMemoryManager::GetInstance()->CreateOrLoad(&newData, length) ? static_cast<size_t>(length) : 0U;
if (memset_s(newData, length, 0, length) != EOK) {
LOG_FULL(FATAL) << "memset_s failed";
UNREACHABLE();
}
JSHandle<JSNativePointer> pointer = NewJSNativePointer(newData, JSSharedMemoryManager::RemoveSharedMemory,
JSSharedMemoryManager::GetInstance(), false, size);
array->SetArrayBufferData(thread_, pointer);
array->SetWithNativeAreaAllocator(false);
}
JSHandle<JSArrayBuffer> ObjectFactory::NewJSArrayBuffer(int32_t length)
{
JSHandle<GlobalEnv> env = vm_->GetGlobalEnv();
JSHandle<JSFunction> constructor(env->GetArrayBufferFunction());
JSHandle<JSArrayBuffer> arrayBuffer(NewJSObjectByConstructor(constructor));
arrayBuffer->SetArrayBufferByteLength(length);
if (length > 0) {
auto newData = vm_->GetNativeAreaAllocator()->AllocateBuffer(length);
heap_->IncNativeSizeAfterLastGC(length);
if (memset_s(newData, length, 0, length) != EOK) {
LOG_FULL(FATAL) << "memset_s failed";
UNREACHABLE();
}
JSHandle<JSNativePointer> pointer = NewJSNativePointer(newData, NativeAreaAllocator::FreeBufferFunc,
vm_->GetNativeAreaAllocator(), false, length,
Concurrent::NO, NativeFlag::ARRAY_BUFFER);
arrayBuffer->SetArrayBufferData(thread_, pointer.GetTaggedValue());
arrayBuffer->SetWithNativeAreaAllocator(true);
vm_->GetNativeAreaAllocator()->IncreaseNativeSizeStats(length, NativeFlag::ARRAY_BUFFER);
}
return arrayBuffer;
}
JSHandle<JSArrayBuffer> ObjectFactory::NewJSArrayBuffer(void *buffer, int32_t length,
const NativePointerCallback &deleter, void *data, bool share)
{
JSHandle<GlobalEnv> env = vm_->GetGlobalEnv();
JSHandle<JSFunction> constructor(env->GetArrayBufferFunction());
JSHandle<JSArrayBuffer> arrayBuffer(NewJSObjectByConstructor(constructor));
length = buffer == nullptr ? 0 : length;
arrayBuffer->SetArrayBufferByteLength(length);
if (length > 0) {
JSHandle<JSNativePointer> pointer = NewJSNativePointer(buffer, deleter, data, false, length);
arrayBuffer->SetArrayBufferData(thread_, pointer.GetTaggedValue());
arrayBuffer->SetShared(share);
arrayBuffer->SetWithNativeAreaAllocator(deleter == NativeAreaAllocator::FreeBufferFunc &&
data == vm_->GetNativeAreaAllocator());
}
return arrayBuffer;
}
JSHandle<JSDataView> ObjectFactory::NewJSDataView(JSHandle<JSArrayBuffer> buffer, uint32_t offset, uint32_t length)
{
uint32_t arrayLength = buffer->GetArrayBufferByteLength();
if (arrayLength - offset < length) {
THROW_TYPE_ERROR_AND_RETURN(thread_, "offset or length error",
JSHandle<JSDataView>(thread_, JSTaggedValue::Undefined()));
}
JSHandle<GlobalEnv> env = vm_->GetGlobalEnv();
JSHandle<JSFunction> constructor(env->GetDataViewFunction());
JSHandle<JSDataView> arrayBuffer(NewJSObjectByConstructor(constructor));
arrayBuffer->SetDataView(thread_, JSTaggedValue::True());
arrayBuffer->SetViewedArrayBuffer(thread_, buffer.GetTaggedValue());
arrayBuffer->SetByteLength(length);
arrayBuffer->SetByteOffset(offset);
return arrayBuffer;
}
JSHandle<JSArrayBuffer> ObjectFactory::NewJSSharedArrayBuffer(int32_t length)
{
JSHandle<GlobalEnv> env = vm_->GetGlobalEnv();
JSHandle<JSFunction> constructor(env->GetSharedArrayBufferFunction());
JSHandle<JSArrayBuffer> sharedArrayBuffer(NewJSObjectByConstructor(constructor));
sharedArrayBuffer->SetArrayBufferByteLength(length);
if (length > 0) {
NewJSSharedArrayBufferData(sharedArrayBuffer, length);
sharedArrayBuffer->SetShared(true);
}
return sharedArrayBuffer;
}
JSHandle<JSArrayBuffer> ObjectFactory::NewJSSharedArrayBuffer(void *buffer, int32_t length)
{
JSHandle<GlobalEnv> env = vm_->GetGlobalEnv();
JSHandle<JSFunction> constructor(env->GetSharedArrayBufferFunction());
JSHandle<JSArrayBuffer> sharedArrayBuffer(NewJSObjectByConstructor(constructor));
length = buffer == nullptr ? 0 : length;
sharedArrayBuffer->SetArrayBufferByteLength(length);
if (length > 0) {
JSHandle<JSNativePointer> pointer = NewJSNativePointer(buffer, JSSharedMemoryManager::RemoveSharedMemory,
JSSharedMemoryManager::GetInstance(), false, length);
sharedArrayBuffer->SetArrayBufferData(thread_, pointer);
sharedArrayBuffer->SetShared(true);
sharedArrayBuffer->SetWithNativeAreaAllocator(false);
}
return sharedArrayBuffer;
}
void ObjectFactory::NewJSRegExpByteCodeData(const JSHandle<JSRegExp> &regexp, void *buffer, size_t size)
{
if (buffer == nullptr) {
return;
}
auto newBuffer = vm_->GetNativeAreaAllocator()->AllocateBuffer(size);
heap_->IncNativeSizeAfterLastGC(size);
if (memcpy_s(newBuffer, size, buffer, size) != EOK) {
LOG_FULL(FATAL) << "memcpy_s failed";
UNREACHABLE();
}
JSTaggedValue data = regexp->GetByteCodeBuffer();
if (!data.IsUndefined()) {
JSNativePointer *native = JSNativePointer::Cast(data.GetTaggedObject());
native->ResetExternalPointer(thread_, newBuffer);
return;
}
JSHandle<JSNativePointer> pointer = NewJSNativePointer(newBuffer, NativeAreaAllocator::FreeBufferFunc,
vm_->GetNativeAreaAllocator(), false, size, Concurrent::NO,
NativeFlag::REGEXP_BTYECODE);
regexp->SetByteCodeBuffer(thread_, pointer.GetTaggedValue());
regexp->SetLength(static_cast<uint32_t>(size));
vm_->GetNativeAreaAllocator()->IncreaseNativeSizeStats(size, NativeFlag::REGEXP_BTYECODE);
}
JSHandle<JSHClass> ObjectFactory::NewEcmaHClass(uint32_t size, JSType type, const JSHandle<JSTaggedValue> &prototype)
{
const int inlinedProps = JSHClass::DEFAULT_CAPACITY_OF_IN_OBJECTS;
return NewEcmaHClass(size, inlinedProps, type, prototype);
}
JSHandle<JSHClass> ObjectFactory::NewEcmaHClass(uint32_t size, uint32_t inlinedProps, JSType type,
const JSHandle<JSTaggedValue> &prototype)
{
NewObjectHook();
uint32_t classSize = JSHClass::SIZE;
auto *newClass = static_cast<JSHClass *>(heap_->AllocateNonMovableOrHugeObject(
JSHClass::Cast(thread_->GlobalConstants()->GetHClassClass().GetTaggedObject()), classSize));
newClass->Initialize(thread_, size, type, inlinedProps);
JSHandle<JSHClass> hclass(thread_, newClass);
hclass->SetPrototype(thread_, prototype.GetTaggedValue());
return hclass;
}
JSHandle<JSObject> ObjectFactory::NewJSObject(const JSHandle<JSHClass> &jshclass)
{
JSHandle<JSObject> obj(thread_, JSObject::Cast(NewObject(jshclass)));
JSHandle<TaggedArray> emptyArray = EmptyArray();
obj->InitializeHash();
obj->SetElements(thread_, emptyArray, SKIP_BARRIER);
obj->SetProperties(thread_, emptyArray, SKIP_BARRIER);
return obj;
}
JSHandle<TaggedArray> ObjectFactory::CloneProperties(const JSHandle<TaggedArray> &old)
{
uint32_t newLength = old->GetLength();
if (newLength == 0) {
return EmptyArray();
}
NewObjectHook();
auto klass = old->GetClass();
size_t size = TaggedArray::ComputeSize(JSTaggedValue::TaggedTypeSize(), newLength);
auto header = heap_->AllocateYoungOrHugeObject(klass, size);
JSHandle<TaggedArray> newArray(thread_, header);
newArray->InitializeWithSpecialValue(JSTaggedValue::Hole(), newLength, old->GetExtraLength());
for (uint32_t i = 0; i < newLength; i++) {
JSTaggedValue value = old->Get(i);
newArray->Set(thread_, i, value);
}
return newArray;
}
JSHandle<JSObject> ObjectFactory::CloneObjectLiteral(JSHandle<JSObject> object)
{
NewObjectHook();
auto klass = JSHandle<JSHClass>(thread_, object->GetClass());
JSHandle<JSObject> cloneObject = NewJSObject(klass);
JSHandle<TaggedArray> elements(thread_, object->GetElements());
auto newElements = CloneProperties(elements);
cloneObject->SetElements(thread_, newElements.GetTaggedValue());
JSHandle<TaggedArray> properties(thread_, object->GetProperties());
auto newProperties = CloneProperties(properties);
cloneObject->SetProperties(thread_, newProperties.GetTaggedValue());
uint32_t length = std::min(klass->GetInlinedProperties(), klass->NumberOfProps());
for (uint32_t i = 0; i < length; i++) {
cloneObject->SetPropertyInlinedPropsWithRep(thread_, i, object->GetPropertyInlinedProps(i));
}
return cloneObject;
}
JSHandle<JSArray> ObjectFactory::CloneArrayLiteral(JSHandle<JSArray> object)
{
NewObjectHook();
auto klass = JSHandle<JSHClass>(thread_, object->GetClass());
JSHandle<JSArray> cloneObject(NewJSObject(klass));
cloneObject->SetArrayLength(thread_, object->GetArrayLength());
cloneObject->SetTrackInfo(thread_, JSTaggedValue::Undefined());
JSHandle<TaggedArray> elements(thread_, object->GetElements());
static constexpr uint8_t MAX_READ_ONLY_ARRAY_LENGTH = 10;
uint32_t elementsLength = elements->GetLength();
MemSpaceType type = elementsLength > MAX_READ_ONLY_ARRAY_LENGTH ?
MemSpaceType::SEMI_SPACE : MemSpaceType::NON_MOVABLE;
#if !defined ENABLE_COW_ARRAY
type = MemSpaceType::SEMI_SPACE;
#endif
if (type == MemSpaceType::NON_MOVABLE && elements.GetTaggedValue().IsCOWArray()) {
// share the same elements array in nonmovable space.
cloneObject->SetElements(thread_, elements.GetTaggedValue());
} else {
auto newElements = CopyArray(elements, elementsLength, elementsLength, JSTaggedValue::Hole(), type);
cloneObject->SetElements(thread_, newElements.GetTaggedValue());
}
if (type == MemSpaceType::NON_MOVABLE && !object->GetElements().IsCOWArray()) {
ASSERT(!Region::ObjectAddressToRange(object->GetElements().GetTaggedObject())->InNonMovableSpace());
// Set the first shared elements into the old object.
object->SetElements(thread_, cloneObject->GetElements());
}
JSHandle<TaggedArray> properties(thread_, object->GetProperties());
uint32_t propertiesLength = properties->GetLength();
type = propertiesLength > MAX_READ_ONLY_ARRAY_LENGTH ?
MemSpaceType::SEMI_SPACE : MemSpaceType::NON_MOVABLE;
#if !defined ENABLE_COW_ARRAY
type = MemSpaceType::SEMI_SPACE;
#endif
if (type == MemSpaceType::NON_MOVABLE && properties.GetTaggedValue().IsCOWArray()) {
// share the same properties array in nonmovable space.
cloneObject->SetProperties(thread_, properties.GetTaggedValue());
} else {
auto newProperties = CopyArray(properties, propertiesLength, propertiesLength, JSTaggedValue::Hole(), type);
cloneObject->SetProperties(thread_, newProperties.GetTaggedValue());
}
if (type == MemSpaceType::NON_MOVABLE && !object->GetProperties().IsCOWArray()) {
ASSERT(!Region::ObjectAddressToRange(object->GetProperties().GetTaggedObject())->InNonMovableSpace());
// Set the first shared properties into the old object.
object->SetProperties(thread_, cloneObject->GetProperties());
}
for (uint32_t i = 0; i < klass->GetInlinedProperties(); i++) {
cloneObject->SetPropertyInlinedPropsWithRep(thread_, i, object->GetPropertyInlinedProps(i));
}
return cloneObject;
}
JSHandle<TaggedArray> ObjectFactory::CloneProperties(const JSHandle<TaggedArray> &old,
const JSHandle<JSTaggedValue> &env, const JSHandle<JSObject> &obj)
{
uint32_t newLength = old->GetLength();
if (newLength == 0) {
return EmptyArray();
}
NewObjectHook();
auto klass = old->GetClass();
size_t size = TaggedArray::ComputeSize(JSTaggedValue::TaggedTypeSize(), newLength);
auto header = heap_->AllocateYoungOrHugeObject(klass, size);
JSHandle<TaggedArray> newArray(thread_, header);
newArray->InitializeWithSpecialValue(JSTaggedValue::Hole(), newLength, old->GetExtraLength());
for (uint32_t i = 0; i < newLength; i++) {
JSTaggedValue value = old->Get(i);
if (!value.IsJSFunction()) {
newArray->Set(thread_, i, value);
} else {
JSHandle<JSFunction> valueHandle(thread_, value);
JSHandle<JSFunction> newFunc = CloneJSFunction(valueHandle);
newFunc->SetLexicalEnv(thread_, env);
newFunc->SetHomeObject(thread_, obj);
newArray->Set(thread_, i, newFunc);
}
}
return newArray;
}
JSHandle<JSObject> ObjectFactory::CloneObjectLiteral(JSHandle<JSObject> object,
const JSHandle<JSTaggedValue> &env,
bool canShareHClass)
{
NewObjectHook();
auto klass = JSHandle<JSHClass>(thread_, object->GetClass());
if (!canShareHClass) {
klass = JSHClass::Clone(thread_, klass);
}
JSHandle<JSObject> cloneObject = NewJSObject(klass);
JSHandle<TaggedArray> elements(thread_, object->GetElements());
auto newElements = CloneProperties(elements, env, cloneObject);
cloneObject->SetElements(thread_, newElements.GetTaggedValue());
JSHandle<TaggedArray> properties(thread_, object->GetProperties());
auto newProperties = CloneProperties(properties, env, cloneObject);
cloneObject->SetProperties(thread_, newProperties.GetTaggedValue());
uint32_t length = std::min(klass->GetInlinedProperties(), klass->NumberOfProps());
for (uint32_t i = 0; i < length; i++) {
auto layout = LayoutInfo::Cast(klass->GetLayout().GetTaggedObject());
JSTaggedValue value = object->GetPropertyInlinedProps(i);
if (!layout->GetAttr(i).IsTaggedRep() || (!value.IsJSFunction() && !value.IsAccessorData())) {
cloneObject->SetPropertyInlinedPropsWithRep(thread_, i, value);
} else if (value.IsJSFunction()) {
JSHandle<JSFunction> valueHandle(thread_, value);
JSHandle<JSFunction> newFunc = CloneJSFunction(valueHandle);
newFunc->SetLexicalEnv(thread_, env);
newFunc->SetHomeObject(thread_, cloneObject);
cloneObject->SetPropertyInlinedProps(thread_, i, newFunc.GetTaggedValue());
} else {
if (value.IsAccessorData()) {
JSHandle<AccessorData> accessor = NewAccessorData();
value = accessor.GetTaggedValue();
}
cloneObject->SetPropertyInlinedPropsWithRep(thread_, i, value);
}
}
return cloneObject;
}
JSHandle<JSFunction> ObjectFactory::CloneJSFunction(JSHandle<JSFunction> func)
{
JSHandle<JSHClass> jshclass(thread_, func->GetJSHClass());
JSHandle<Method> method(thread_, func->GetMethod());
JSHandle<JSFunction> cloneFunc = NewJSFunctionByHClass(method, jshclass);
JSTaggedValue length = func->GetPropertyInlinedProps(JSFunction::LENGTH_INLINE_PROPERTY_INDEX);
cloneFunc->SetPropertyInlinedProps(thread_, JSFunction::LENGTH_INLINE_PROPERTY_INDEX, length);
cloneFunc->SetLength(func->GetLength());
cloneFunc->SetModule(thread_, func->GetModule());
return cloneFunc;
}
JSHandle<JSFunction> ObjectFactory::CloneSFunction(JSHandle<JSFunction> func)
{
ASSERT(func.GetTaggedValue().IsJSSharedFunction());
JSHandle<JSHClass> jshclass(thread_, func->GetJSHClass());
JSHandle<Method> method(thread_, func->GetMethod());
JSHandle<JSFunction> cloneFunc = NewSFunctionByHClass(method, jshclass);
JSTaggedValue length = func->GetPropertyInlinedProps(JSFunction::LENGTH_INLINE_PROPERTY_INDEX);
cloneFunc->SetPropertyInlinedProps(thread_, JSFunction::LENGTH_INLINE_PROPERTY_INDEX, length);
cloneFunc->SetLength(func->GetLength());
cloneFunc->SetModule(thread_, func->GetModule());
return cloneFunc;
}
JSHandle<JSFunction> ObjectFactory::CreateJSFunctionFromTemplate(JSHandle<FunctionTemplate> funcTemp)
{
NewObjectHook();
JSHandle<GlobalEnv> env = vm_->GetGlobalEnv();
auto kind = funcTemp->GetFunctionKind();
JSHandle<JSHClass> jshclass;
if (kind == FunctionKind::NORMAL_FUNCTION ||
kind == FunctionKind::GETTER_FUNCTION ||
kind == FunctionKind::SETTER_FUNCTION) {
jshclass = JSHandle<JSHClass>::Cast(env->GetFunctionClassWithoutProto());
} else if (kind == FunctionKind::ASYNC_FUNCTION) {
jshclass = JSHandle<JSHClass>::Cast(env->GetAsyncFunctionClass());
} else {
jshclass = JSHandle<JSHClass>::Cast(env->GetGeneratorFunctionClass());
}
JSHandle<Method> method = JSHandle<Method>(thread_, funcTemp->GetMethod());
JSHandle<JSFunction> newFunc = NewJSFunctionByHClass(method, jshclass);
newFunc->SetLength(funcTemp->GetLength());
newFunc->SetModule(thread_, funcTemp->GetModule());
return newFunc;
}
JSHandle<JSFunction> ObjectFactory::CreateSFunctionFromTemplate(JSHandle<FunctionTemplate> funcTemp)
{
NewObjectHook();
JSHandle<GlobalEnv> env = vm_->GetGlobalEnv();
auto kind = funcTemp->GetFunctionKind();
JSHandle<JSHClass> jshclass;
if (kind == FunctionKind::NORMAL_FUNCTION ||
kind == FunctionKind::GETTER_FUNCTION ||
kind == FunctionKind::SETTER_FUNCTION) {
jshclass = JSHandle<JSHClass>::Cast(env->GetSFunctionClassWithoutProto());
} else if (kind == FunctionKind::ASYNC_FUNCTION) {
jshclass = JSHandle<JSHClass>::Cast(env->GetAsyncFunctionClass());
} else {
jshclass = JSHandle<JSHClass>::Cast(env->GetGeneratorFunctionClass());
}
JSHandle<Method> method(thread_, funcTemp->GetMethod());
JSHandle<JSFunction> newFunc = NewSFunctionByHClass(method, jshclass);
newFunc->SetLength(funcTemp->GetLength());
newFunc->SetModule(thread_, funcTemp->GetModule());
return newFunc;
}
JSHandle<JSFunction> ObjectFactory::CloneClassCtor(JSHandle<JSFunction> ctor, const JSHandle<JSTaggedValue> &lexenv,
bool canShareHClass)
{
NewObjectHook();
JSHandle<JSHClass> hclass(thread_, ctor->GetClass());
if (!canShareHClass) {
hclass = JSHClass::Clone(thread_, hclass);
}
JSHandle<Method> method(thread_, ctor->GetMethod());
ASSERT_PRINT(method->GetFunctionKind() == FunctionKind::CLASS_CONSTRUCTOR ||
method->GetFunctionKind() == FunctionKind::DERIVED_CONSTRUCTOR,
"cloned function is not class");
JSHandle<JSFunction> cloneCtor = NewJSFunctionByHClass(method, hclass);
uint32_t length = std::min(hclass->GetInlinedProperties(), hclass->NumberOfProps());
for (uint32_t i = 0; i < length; i++) {
auto layout = LayoutInfo::Cast(hclass->GetLayout().GetTaggedObject());
JSTaggedValue value = ctor->GetPropertyInlinedProps(i);
if (!layout->GetAttr(i).IsTaggedRep() || !value.IsJSFunction()) {
cloneCtor->SetPropertyInlinedPropsWithRep(thread_, i, value);
} else {
JSHandle<JSFunction> valueHandle(thread_, value);
JSHandle<JSFunction> newFunc = CloneJSFunction(valueHandle);
newFunc->SetLexicalEnv(thread_, lexenv);
newFunc->SetHomeObject(thread_, cloneCtor);
cloneCtor->SetPropertyInlinedProps(thread_, i, newFunc.GetTaggedValue());
}
}
JSHandle<TaggedArray> elements(thread_, ctor->GetElements());
auto newElements = CloneProperties(elements, lexenv, JSHandle<JSObject>(cloneCtor));
cloneCtor->SetElements(thread_, newElements.GetTaggedValue());
JSHandle<TaggedArray> properties(thread_, ctor->GetProperties());
auto newProperties = CloneProperties(properties, lexenv, JSHandle<JSObject>(cloneCtor));
cloneCtor->SetProperties(thread_, newProperties.GetTaggedValue());
return cloneCtor;
}
JSHandle<JSObject> ObjectFactory::NewNonMovableJSObject(const JSHandle<JSHClass> &jshclass)
{
JSHandle<JSObject> obj(thread_,
JSObject::Cast(NewNonMovableObject(jshclass, jshclass->GetInlinedProperties())));
obj->InitializeHash();
obj->SetElements(thread_, EmptyArray(), SKIP_BARRIER);
obj->SetProperties(thread_, EmptyArray(), SKIP_BARRIER);
return obj;
}
JSHandle<JSPrimitiveRef> ObjectFactory::NewJSPrimitiveRef(const JSHandle<JSHClass> &hclass,
const JSHandle<JSTaggedValue> &object)
{
JSHandle<JSPrimitiveRef> obj = JSHandle<JSPrimitiveRef>::Cast(NewJSObject(hclass));
obj->SetValue(thread_, object);
return obj;
}
JSHandle<JSArray> ObjectFactory::NewJSArray()
{
JSHandle<GlobalEnv> env = vm_->GetGlobalEnv();
JSHandle<JSFunction> function(env->GetArrayFunction());
return JSHandle<JSArray>(NewJSObjectByConstructor(function));
}
JSHandle<JSArray> ObjectFactory::NewJSArray(size_t length, JSHandle<JSHClass> &hclass)
{
JSHandle<JSObject> obj = NewJSObject(hclass);
JSArray::Cast(*obj)->SetLength(length);
JSArray::Cast(*obj)->SetTrackInfo(thread_, JSTaggedValue::Undefined());
auto accessor = thread_->GlobalConstants()->GetArrayLengthAccessor();
JSArray::Cast(*obj)->SetPropertyInlinedProps(thread_, JSArray::LENGTH_INLINE_PROPERTY_INDEX, accessor);
return JSHandle<JSArray>(obj);
}
JSHandle<TaggedArray> ObjectFactory::NewJsonFixedArray(size_t start, size_t length,
const std::vector<JSHandle<JSTaggedValue>> &vec)
{
if (length == 0) {
return EmptyArray();
}
MemSpaceType spaceType = length < LENGTH_THRESHOLD ? MemSpaceType::SEMI_SPACE : MemSpaceType::OLD_SPACE;
JSHandle<TaggedArray> array = NewTaggedArrayWithoutInit(length, spaceType);
array->SetExtraLength(0);
for (size_t i = 0; i < length; i++) {
array->Set(thread_, i, vec[start + i]);
}
return array;
}
JSHandle<JSForInIterator> ObjectFactory::NewJSForinIterator(const JSHandle<JSTaggedValue> &obj,
const JSHandle<JSTaggedValue> keys,
const JSHandle<JSTaggedValue> cachedHclass)
{
JSHandle<GlobalEnv> env = vm_->GetGlobalEnv();
JSHandle<JSHClass> hclass(env->GetForinIteratorClass());
JSHandle<JSForInIterator> it = JSHandle<JSForInIterator>::Cast(NewJSObject(hclass));
it->SetObject(thread_, obj);
it->SetCachedHclass(thread_, cachedHclass);
it->SetKeys(thread_, keys);
it->SetIndex(EnumCache::ENUM_CACHE_HEADER_SIZE);
uint32_t enumLength = JSHandle<TaggedArray>::Cast(keys)->GetLength();
it->SetLength(enumLength);
return it;
}
JSHandle<JSHClass> ObjectFactory::CreateJSRegExpInstanceClass(JSHandle<JSTaggedValue> proto)
{
const GlobalEnvConstants *globalConst = thread_->GlobalConstants();
JSHandle<JSHClass> regexpClass = NewEcmaHClass(JSRegExp::SIZE, JSType::JS_REG_EXP, proto);
uint32_t fieldOrder = 0;
JSHandle<LayoutInfo> layoutInfoHandle = CreateLayoutInfo(1);
{
PropertyAttributes attributes = PropertyAttributes::Default(true, false, false);
attributes.SetIsInlinedProps(true);
attributes.SetRepresentation(Representation::TAGGED);
attributes.SetOffset(fieldOrder++);
layoutInfoHandle->AddKey(thread_, 0, globalConst->GetLastIndexString(), attributes);
}
{
regexpClass->SetLayout(thread_, layoutInfoHandle);
regexpClass->SetNumberOfProps(fieldOrder);
}
return regexpClass;
}
JSHandle<JSHClass> ObjectFactory::CreateJSArrayInstanceClass(JSHandle<JSTaggedValue> proto, uint32_t inlinedProps)
{
const GlobalEnvConstants *globalConst = thread_->GlobalConstants();
JSHandle<JSHClass> arrayClass = NewEcmaHClass(JSArray::SIZE, inlinedProps, JSType::JS_ARRAY, proto);
uint32_t fieldOrder = 0;
ASSERT(JSArray::LENGTH_INLINE_PROPERTY_INDEX == fieldOrder);
JSHandle<LayoutInfo> layoutInfoHandle = CreateLayoutInfo(1);
{
PropertyAttributes attributes = PropertyAttributes::DefaultAccessor(true, false, false);
attributes.SetIsInlinedProps(true);
attributes.SetRepresentation(Representation::TAGGED);
attributes.SetOffset(fieldOrder++);
layoutInfoHandle->AddKey(thread_, 0, globalConst->GetLengthString(), attributes);
}
{
arrayClass->SetLayout(thread_, layoutInfoHandle);
arrayClass->SetNumberOfProps(fieldOrder);
}
arrayClass->SetIsStableElements(true);
arrayClass->SetHasConstructor(false);
return arrayClass;
}
JSHandle<JSHClass> ObjectFactory::CreateJSArguments(const JSHandle<GlobalEnv> &env)
{
const GlobalEnvConstants *globalConst = thread_->GlobalConstants();
JSHandle<JSTaggedValue> proto = env->GetObjectFunctionPrototype();
JSHandle<JSHClass> argumentsClass = NewEcmaHClass(JSArguments::SIZE, JSType::JS_ARGUMENTS, proto);
uint32_t fieldOrder = 0;
ASSERT(JSArguments::LENGTH_INLINE_PROPERTY_INDEX == fieldOrder);
JSHandle<LayoutInfo> layoutInfoHandle = CreateLayoutInfo(JSArguments::LENGTH_OF_INLINE_PROPERTIES);
{
PropertyAttributes attributes = PropertyAttributes::Default(true, false, true);
attributes.SetIsInlinedProps(true);
attributes.SetRepresentation(Representation::TAGGED);
attributes.SetOffset(fieldOrder++);
layoutInfoHandle->AddKey(thread_, JSArguments::LENGTH_INLINE_PROPERTY_INDEX, globalConst->GetLengthString(),
attributes);
}
ASSERT(JSArguments::ITERATOR_INLINE_PROPERTY_INDEX == fieldOrder);
{
PropertyAttributes attributes = PropertyAttributes::Default(true, false, true);
attributes.SetIsInlinedProps(true);
attributes.SetRepresentation(Representation::TAGGED);
attributes.SetOffset(fieldOrder++);
layoutInfoHandle->AddKey(thread_, JSArguments::ITERATOR_INLINE_PROPERTY_INDEX,
env->GetIteratorSymbol().GetTaggedValue(), attributes);
}
{
ASSERT(JSArguments::CALLER_INLINE_PROPERTY_INDEX == fieldOrder);
PropertyAttributes attributes = PropertyAttributes::Default(false, false, false);
attributes.SetIsInlinedProps(true);
attributes.SetIsAccessor(true);
attributes.SetRepresentation(Representation::TAGGED);
attributes.SetOffset(fieldOrder++);
layoutInfoHandle->AddKey(thread_, JSArguments::CALLER_INLINE_PROPERTY_INDEX,
thread_->GlobalConstants()->GetHandledCallerString().GetTaggedValue(), attributes);
}
{
ASSERT(JSArguments::CALLEE_INLINE_PROPERTY_INDEX == fieldOrder);
PropertyAttributes attributes = PropertyAttributes::Default(false, false, false);
attributes.SetIsInlinedProps(true);
attributes.SetIsAccessor(true);
attributes.SetRepresentation(Representation::TAGGED);
attributes.SetOffset(fieldOrder++);
layoutInfoHandle->AddKey(thread_, JSArguments::CALLEE_INLINE_PROPERTY_INDEX,
thread_->GlobalConstants()->GetHandledCalleeString().GetTaggedValue(), attributes);
}
{
argumentsClass->SetLayout(thread_, layoutInfoHandle);
argumentsClass->SetNumberOfProps(fieldOrder);
}
argumentsClass->SetIsStableElements(true);
return argumentsClass;
}
JSHandle<JSArguments> ObjectFactory::NewJSArguments()
{
JSHandle<GlobalEnv> env = vm_->GetGlobalEnv();
JSHandle<JSHClass> hclass = JSHandle<JSHClass>::Cast(env->GetArgumentsClass());
JSHandle<JSArguments> obj = JSHandle<JSArguments>::Cast(NewJSObject(hclass));
return obj;
}
JSHandle<JSObject> ObjectFactory::GetJSError(const ErrorType &errorType, const char *data, StackCheck needCheckStack)
{
ASSERT_PRINT(errorType == ErrorType::ERROR || errorType == ErrorType::EVAL_ERROR ||
errorType == ErrorType::RANGE_ERROR || errorType == ErrorType::REFERENCE_ERROR ||
errorType == ErrorType::SYNTAX_ERROR || errorType == ErrorType::TYPE_ERROR ||
errorType == ErrorType::URI_ERROR || errorType == ErrorType::OOM_ERROR ||
errorType == ErrorType::TERMINATION_ERROR,
"The error type is not in the valid range.");
if (data != nullptr) {
JSHandle<EcmaString> handleMsg = NewFromUtf8(data);
return NewJSError(errorType, handleMsg, needCheckStack);
}
JSHandle<EcmaString> emptyString(thread_->GlobalConstants()->GetHandledEmptyString());
return NewJSError(errorType, emptyString, needCheckStack);
}
JSHandle<JSObject> ObjectFactory::NewJSError(const ErrorType &errorType, const JSHandle<EcmaString> &message,
StackCheck needCheckStack)
{
// if there have exception in thread, then return current exception, no need to new js error.
if (thread_->HasPendingException()) {
JSHandle<JSObject> obj(thread_, thread_->GetException());
return obj;
}
// current frame may be entry frame, exception happened in JSFunction::Call and JSFunction::Construct,
// in this case sp = the prev frame (interpreter frame).
if (!thread_->IsAsmInterpreter()) {
FrameHandler frameHandler(thread_);
if (frameHandler.IsInterpretedEntryFrame()) {
thread_->SetCurrentSPFrame(frameHandler.GetPrevJSFrame());
}
}
JSHandle<GlobalEnv> env = vm_->GetGlobalEnv();
JSHandle<JSTaggedValue> nativeConstructor;
switch (errorType) {
case ErrorType::RANGE_ERROR:
nativeConstructor = env->GetRangeErrorFunction();
break;
case ErrorType::EVAL_ERROR:
nativeConstructor = env->GetEvalErrorFunction();
break;
case ErrorType::REFERENCE_ERROR:
nativeConstructor = env->GetReferenceErrorFunction();
break;
case ErrorType::TYPE_ERROR:
nativeConstructor = env->GetTypeErrorFunction();
break;
case ErrorType::URI_ERROR:
nativeConstructor = env->GetURIErrorFunction();
break;
case ErrorType::SYNTAX_ERROR:
nativeConstructor = env->GetSyntaxErrorFunction();
break;
case ErrorType::OOM_ERROR:
nativeConstructor = env->GetOOMErrorFunction();
break;
case ErrorType::TERMINATION_ERROR:
nativeConstructor = env->GetTerminationErrorFunction();
break;
default:
nativeConstructor = env->GetErrorFunction();
break;
}
JSHandle<JSFunction> nativeFunc = JSHandle<JSFunction>::Cast(nativeConstructor);
JSHandle<JSTaggedValue> nativePrototype(thread_, nativeFunc->GetFunctionPrototype());
JSHandle<JSTaggedValue> undefined = thread_->GlobalConstants()->GetHandledUndefined();
EcmaRuntimeCallInfo *info =
EcmaInterpreter::NewRuntimeCallInfo(thread_, nativeConstructor, nativePrototype, undefined, 1, needCheckStack);
RETURN_HANDLE_IF_ABRUPT_COMPLETION(JSObject, thread_);
info->SetCallArg(message.GetTaggedValue());
Method *method = JSHandle<ECMAObject>::Cast(nativeConstructor)->GetCallTarget();
JSTaggedValue obj = reinterpret_cast<EcmaEntrypoint>(const_cast<void *>(method->GetNativePointer()))(info);
RETURN_HANDLE_IF_ABRUPT_COMPLETION(JSObject, thread_);
JSHandle<JSObject> handleNativeInstanceObj(thread_, obj);
auto sp = const_cast<JSTaggedType *>(thread_->GetCurrentSPFrame());
ASSERT(FrameHandler::GetFrameType(sp) == FrameType::INTERPRETER_ENTRY_FRAME);
auto prevEntry = InterpretedEntryFrame::GetFrameFromSp(sp)->GetPrevFrameFp();
thread_->SetCurrentSPFrame(prevEntry);
return handleNativeInstanceObj;
}
JSHandle<JSObject> ObjectFactory::NewJSAggregateError()
{
JSHandle<GlobalEnv> env = vm_->GetGlobalEnv();
JSHandle<JSFunction> constructor(env->GetAggregateErrorFunction());
return NewJSObjectByConstructor(constructor);
}
JSHandle<JSObject> ObjectFactory::NewJSObjectByConstructor(JSHandle<GlobalEnv> env,
const JSHandle<JSFunction> &constructor, uint32_t inlinedProps)
{
if (!constructor->HasFunctionPrototype() ||
(constructor->GetProtoOrHClass().IsHeapObject() && constructor->GetFunctionPrototype().IsECMAObject())) {
JSHandle<JSHClass> jshclass;
if (LIKELY(inlinedProps == JSHClass::DEFAULT_CAPACITY_OF_IN_OBJECTS)) {
jshclass = JSHandle<JSHClass>(thread_, JSFunction::GetOrCreateInitialJSHClass(thread_, constructor));
} else {
jshclass = NewEcmaHClass(JSObject::SIZE, inlinedProps, JSType::JS_OBJECT,
env->GetObjectFunctionPrototype());
}
JSHandle<JSObject> obj;
if (jshclass->IsJSSharedObject()) {
obj = NewSharedOldSpaceJSObject(jshclass);
if (jshclass->IsDictionaryMode()) {
auto fieldLayout = jshclass->GetLayout();
ASSERT(fieldLayout.IsDictionary());
auto dict = JSHandle<TaggedArray>(thread_, fieldLayout);
auto properties = NewAndCopySNameDictionary(dict, dict->GetLength());
obj->SetProperties(thread_, properties);
}
} else {
obj = NewJSObjectWithInit(jshclass);
}
return obj;
}
JSHandle<JSObject> result =
NewJSObjectByConstructor(JSHandle<JSFunction>(env->GetObjectFunction()), JSHandle<JSTaggedValue>(constructor));
if (thread_->HasPendingException()) {
LOG_FULL(FATAL) << "NewJSObjectByConstructor should not throw Exception! ";
}
return result;
}
JSHandle<JSObject> ObjectFactory::NewJSObjectByConstructor(const JSHandle<JSFunction> &constructor,
uint32_t inlinedProps)
{
JSHandle<GlobalEnv> env = vm_->GetGlobalEnv();
if (!constructor->HasFunctionPrototype() ||
(constructor->GetProtoOrHClass().IsHeapObject() && constructor->GetFunctionPrototype().IsECMAObject())) {
JSHandle<JSHClass> jshclass;
if (LIKELY(inlinedProps == JSHClass::DEFAULT_CAPACITY_OF_IN_OBJECTS)) {
jshclass = JSHandle<JSHClass>(thread_, JSFunction::GetOrCreateInitialJSHClass(thread_, constructor));
} else {
jshclass = NewEcmaHClass(JSObject::SIZE, inlinedProps, JSType::JS_OBJECT,
env->GetObjectFunctionPrototype());
}
JSHandle<JSObject> obj;
if (jshclass->IsJSShared()) {
obj = NewSharedOldSpaceJSObject(jshclass);
if (jshclass->IsDictionaryMode()) {
auto fieldLayout = jshclass->GetLayout();
ASSERT(fieldLayout.IsDictionary());
auto dict = JSHandle<TaggedArray>(thread_, fieldLayout);
auto properties = NewAndCopySNameDictionary(dict, dict->GetLength());
obj->SetProperties(thread_, properties);
}
InitializeJSObject(obj, jshclass);
} else {
obj = NewJSObjectWithInit(jshclass);
}
return obj;
}
JSHandle<JSObject> result =
NewJSObjectByConstructor(JSHandle<JSFunction>(env->GetObjectFunction()), JSHandle<JSTaggedValue>(constructor));
if (thread_->HasPendingException()) {
LOG_FULL(FATAL) << "NewJSObjectByConstructor should not throw Exception! ";
}
return result;
}
JSHandle<JSObject> ObjectFactory::NewJSObjectByConstructor(const JSHandle<JSFunction> &constructor,
const JSHandle<JSTaggedValue> &newTarget)
{
if (constructor->IsJSShared() && !newTarget->IsJSShared()) {
THROW_TYPE_ERROR_AND_RETURN(thread_, "shared ctor cannot assign unshared newTarget",
JSHandle<JSObject>(thread_, JSTaggedValue::Undefined()));
}
JSHandle<JSHClass> jshclass;
if (!constructor->HasFunctionPrototype() ||
(constructor->GetProtoOrHClass().IsHeapObject() && constructor->GetFunctionPrototype().IsECMAObject())) {
jshclass = JSFunction::GetInstanceJSHClass(thread_, constructor, newTarget);
} else {
JSHandle<GlobalEnv> env = vm_->GetGlobalEnv();
jshclass = JSFunction::GetInstanceJSHClass(thread_, JSHandle<JSFunction>(env->GetObjectFunction()), newTarget);
}
// Check this exception elsewhere
RETURN_HANDLE_IF_ABRUPT_COMPLETION(JSObject, thread_);
JSHandle<JSObject> obj;
if (jshclass->IsJSShared()) {
obj = NewSharedOldSpaceJSObject(jshclass);
if (jshclass->IsDictionaryMode()) {
auto fieldLayout = jshclass->GetLayout();
ASSERT(fieldLayout.IsDictionary());
auto dict = JSHandle<TaggedArray>(thread_, fieldLayout);
auto properties = NewAndCopySNameDictionary(dict, dict->GetLength());
obj->SetProperties(thread_, properties);
}
InitializeJSObject(obj, jshclass);
} else {
obj = NewJSObjectWithInit(jshclass);
}
return obj;
}
JSHandle<JSObject> ObjectFactory::NewJSObjectWithInit(const JSHandle<JSHClass> &jshclass)
{
JSHandle<JSObject> obj = NewJSObject(jshclass);
InitializeJSObject(obj, jshclass);
return obj;
}
void ObjectFactory::InitializeJSObject(const JSHandle<JSObject> &obj, const JSHandle<JSHClass> &jshclass)
{
JSType type = jshclass->GetObjectType();
switch (type) {
case JSType::JS_OBJECT:
case JSType::JS_ERROR:
case JSType::JS_EVAL_ERROR:
case JSType::JS_RANGE_ERROR:
case JSType::JS_REFERENCE_ERROR:
case JSType::JS_TYPE_ERROR:
case JSType::JS_AGGREGATE_ERROR:
case JSType::JS_URI_ERROR:
case JSType::JS_SYNTAX_ERROR:
case JSType::JS_OOM_ERROR:
case JSType::JS_TERMINATION_ERROR:
case JSType::JS_ASYNCITERATOR:
case JSType::JS_SHARED_OBJECT:
case JSType::JS_SHARED_FUNCTION:
case JSType::JS_ITERATOR: {
break;
}
#ifdef ARK_SUPPORT_INTL
case JSType::JS_INTL: {
JSIntl::Cast(*obj)->SetFallbackSymbol(thread_, JSTaggedValue::Undefined());
JSHandle<JSSymbol> jsSymbol = NewPublicSymbolWithChar("IntlLegacyConstructedSymbol");
JSIntl::Cast(*obj)->SetFallbackSymbol(thread_, jsSymbol);
break;
}
case JSType::JS_LOCALE: {
JSLocale::Cast(*obj)->SetIcuField(thread_, JSTaggedValue::Undefined());
break;
}
case JSType::JS_DATE_TIME_FORMAT: {
JSDateTimeFormat::Cast(*obj)->SetLocale(thread_, JSTaggedValue::Undefined());
JSDateTimeFormat::Cast(*obj)->SetCalendar(thread_, JSTaggedValue::Undefined());
JSDateTimeFormat::Cast(*obj)->SetNumberingSystem(thread_, JSTaggedValue::Undefined());
JSDateTimeFormat::Cast(*obj)->SetTimeZone(thread_, JSTaggedValue::Undefined());
JSDateTimeFormat::Cast(*obj)->SetLocaleIcu(thread_, JSTaggedValue::Undefined());
JSDateTimeFormat::Cast(*obj)->SetSimpleDateTimeFormatIcu(thread_, JSTaggedValue::Undefined());
JSDateTimeFormat::Cast(*obj)->SetIso8601(thread_, JSTaggedValue::Undefined());
JSDateTimeFormat::Cast(*obj)->SetBoundFormat(thread_, JSTaggedValue::Undefined());
JSDateTimeFormat::Cast(*obj)->SetHourCycle(HourCycleOption::EXCEPTION);
JSDateTimeFormat::Cast(*obj)->SetDateStyle(DateTimeStyleOption::EXCEPTION);
JSDateTimeFormat::Cast(*obj)->SetTimeStyle(DateTimeStyleOption::EXCEPTION);
break;
}
case JSType::JS_NUMBER_FORMAT: {
JSNumberFormat::Cast(*obj)->SetLocale(thread_, JSTaggedValue::Undefined());
JSNumberFormat::Cast(*obj)->SetNumberingSystem(thread_, JSTaggedValue::Undefined());
JSNumberFormat::Cast(*obj)->SetCurrency(thread_, JSTaggedValue::Undefined());
JSNumberFormat::Cast(*obj)->SetUnit(thread_, JSTaggedValue::Undefined());
JSNumberFormat::Cast(*obj)->SetMinimumIntegerDigits(thread_, JSTaggedValue::Undefined());
JSNumberFormat::Cast(*obj)->SetMinimumFractionDigits(thread_, JSTaggedValue::Undefined());
JSNumberFormat::Cast(*obj)->SetMaximumFractionDigits(thread_, JSTaggedValue::Undefined());
JSNumberFormat::Cast(*obj)->SetMinimumSignificantDigits(thread_, JSTaggedValue::Undefined());
JSNumberFormat::Cast(*obj)->SetMaximumSignificantDigits(thread_, JSTaggedValue::Undefined());
JSNumberFormat::Cast(*obj)->SetUseGrouping(thread_, JSTaggedValue::Undefined());
JSNumberFormat::Cast(*obj)->SetBoundFormat(thread_, JSTaggedValue::Undefined());
JSNumberFormat::Cast(*obj)->SetIcuField(thread_, JSTaggedValue::Undefined());
JSNumberFormat::Cast(*obj)->SetStyle(StyleOption::EXCEPTION);
JSNumberFormat::Cast(*obj)->SetCurrencySign(CurrencySignOption::EXCEPTION);
JSNumberFormat::Cast(*obj)->SetCurrencyDisplay(CurrencyDisplayOption::EXCEPTION);
JSNumberFormat::Cast(*obj)->SetUnitDisplay(UnitDisplayOption::EXCEPTION);
JSNumberFormat::Cast(*obj)->SetSignDisplay(SignDisplayOption::EXCEPTION);
JSNumberFormat::Cast(*obj)->SetCompactDisplay(CompactDisplayOption::EXCEPTION);
JSNumberFormat::Cast(*obj)->SetNotation(NotationOption::EXCEPTION);
JSNumberFormat::Cast(*obj)->SetRoundingType(RoundingType::EXCEPTION);
break;
}
case JSType::JS_RELATIVE_TIME_FORMAT: {
JSRelativeTimeFormat::Cast(*obj)->SetLocale(thread_, JSTaggedValue::Undefined());
JSRelativeTimeFormat::Cast(*obj)->SetNumberingSystem(thread_, JSTaggedValue::Undefined());
JSRelativeTimeFormat::Cast(*obj)->SetIcuField(thread_, JSTaggedValue::Undefined());
JSRelativeTimeFormat::Cast(*obj)->SetStyle(RelativeStyleOption::EXCEPTION);
JSRelativeTimeFormat::Cast(*obj)->SetNumeric(NumericOption::EXCEPTION);
break;
}
case JSType::JS_COLLATOR: {
JSCollator::Cast(*obj)->SetIcuField(thread_, JSTaggedValue::Undefined());
JSCollator::Cast(*obj)->SetLocale(thread_, JSTaggedValue::Undefined());
JSCollator::Cast(*obj)->SetCollation(thread_, JSTaggedValue::Undefined());
JSCollator::Cast(*obj)->SetBoundCompare(thread_, JSTaggedValue::Undefined());
JSCollator::Cast(*obj)->SetUsage(UsageOption::EXCEPTION);
JSCollator::Cast(*obj)->SetCaseFirst(CaseFirstOption::EXCEPTION);
JSCollator::Cast(*obj)->SetSensitivity(SensitivityOption::EXCEPTION);
JSCollator::Cast(*obj)->SetIgnorePunctuation(false);
JSCollator::Cast(*obj)->SetNumeric(false);
break;
}
case JSType::JS_PLURAL_RULES: {
JSPluralRules::Cast(*obj)->SetLocale(thread_, JSTaggedValue::Undefined());
JSPluralRules::Cast(*obj)->SetMinimumIntegerDigits(thread_, JSTaggedValue::Undefined());
JSPluralRules::Cast(*obj)->SetMinimumFractionDigits(thread_, JSTaggedValue::Undefined());
JSPluralRules::Cast(*obj)->SetMaximumFractionDigits(thread_, JSTaggedValue::Undefined());
JSPluralRules::Cast(*obj)->SetMinimumSignificantDigits(thread_, JSTaggedValue::Undefined());
JSPluralRules::Cast(*obj)->SetMaximumSignificantDigits(thread_, JSTaggedValue::Undefined());
JSPluralRules::Cast(*obj)->SetIcuPR(thread_, JSTaggedValue::Undefined());
JSPluralRules::Cast(*obj)->SetIcuNF(thread_, JSTaggedValue::Undefined());
JSPluralRules::Cast(*obj)->SetRoundingType(RoundingType::EXCEPTION);
JSPluralRules::Cast(*obj)->SetType(TypeOption::EXCEPTION);
break;
}
case JSType::JS_DISPLAYNAMES: {
JSDisplayNames::Cast(*obj)->SetLocale(thread_, JSTaggedValue::Undefined());
JSDisplayNames::Cast(*obj)->SetType(TypednsOption::EXCEPTION);
JSDisplayNames::Cast(*obj)->SetStyle(StyOption::EXCEPTION);
JSDisplayNames::Cast(*obj)->SetFallback(FallbackOption::EXCEPTION);
JSDisplayNames::Cast(*obj)->SetIcuLDN(thread_, JSTaggedValue::Undefined());
break;
}
case JSType::JS_SEGMENTER: {
JSSegmenter::Cast(*obj)->SetLocale(thread_, JSTaggedValue::Undefined());
JSSegmenter::Cast(*obj)->SetGranularity(GranularityOption::EXCEPTION);
JSSegmenter::Cast(*obj)->SetIcuField(thread_, JSTaggedValue::Undefined());
break;
}
case JSType::JS_SEGMENTS: {
JSSegments::Cast(*obj)->SetIcuField(thread_, JSTaggedValue::Undefined());
JSSegments::Cast(*obj)->SetSegmentsString(thread_, JSTaggedValue::Undefined());
JSSegments::Cast(*obj)->SetUnicodeString(thread_, JSTaggedValue::Undefined());
JSSegments::Cast(*obj)->SetGranularity(GranularityOption::EXCEPTION);
break;
}
case JSType::JS_SEGMENT_ITERATOR: {
JSSegmentIterator::Cast(*obj)->SetIcuField(thread_, JSTaggedValue::Undefined());
JSSegmentIterator::Cast(*obj)->SetIteratedString(thread_, JSTaggedValue::Undefined());
JSSegmentIterator::Cast(*obj)->SetUnicodeString(thread_, JSTaggedValue::Undefined());
JSSegmentIterator::Cast(*obj)->SetGranularity(GranularityOption::EXCEPTION);
break;
}
case JSType::JS_LIST_FORMAT: {
JSListFormat::Cast(*obj)->SetLocale(thread_, JSTaggedValue::Undefined());
JSListFormat::Cast(*obj)->SetType(ListTypeOption::EXCEPTION);
JSListFormat::Cast(*obj)->SetStyle(ListStyleOption::EXCEPTION);
JSListFormat::Cast(*obj)->SetIcuLF(thread_, JSTaggedValue::Undefined());
break;
}
#else
case JSType::JS_INTL:
case JSType::JS_LOCALE:
case JSType::JS_DATE_TIME_FORMAT:
case JSType::JS_NUMBER_FORMAT:
case JSType::JS_RELATIVE_TIME_FORMAT:
case JSType::JS_COLLATOR:
case JSType::JS_PLURAL_RULES:
case JSType::JS_DISPLAYNAMES:
case JSType::JS_SEGMENTER:
case JSType::JS_SEGMENTS:
case JSType::JS_SEGMENT_ITERATOR:
case JSType::JS_LIST_FORMAT: {
break;
}
#endif
case JSType::JS_ARRAY: {
JSArray::Cast(*obj)->SetLength(0);
JSArray::Cast(*obj)->SetTrackInfo(thread_, JSTaggedValue::Undefined());
ASSERT(!obj->GetJSHClass()->IsDictionaryMode());
auto accessor = thread_->GlobalConstants()->GetArrayLengthAccessor();
JSArray::Cast(*obj)->SetPropertyInlinedProps(thread_, JSArray::LENGTH_INLINE_PROPERTY_INDEX, accessor);
break;
}
case JSType::JS_SHARED_ARRAY: {
JSSharedArray::Cast(*obj)->SetLength(0);
JSSharedArray::Cast(*obj)->SetTrackInfo(thread_, JSTaggedValue::Undefined());
ASSERT(!obj->GetJSHClass()->IsDictionaryMode());
JSSharedArray::Cast(*obj)->SetModRecord(0);
auto accessor = thread_->GlobalConstants()->GetSharedArrayLengthAccessor();
JSSharedArray::Cast(*obj)->SetPropertyInlinedProps(thread_, JSArray::LENGTH_INLINE_PROPERTY_INDEX,
accessor);
break;
}
case JSType::JS_DATE:
JSDate::Cast(*obj)->SetTimeValue(thread_, JSTaggedValue(0.0));
JSDate::Cast(*obj)->SetLocalOffset(thread_, JSTaggedValue(JSDate::MAX_DOUBLE));
break;
case JSType::JS_TYPED_ARRAY:
case JSType::JS_INT8_ARRAY:
case JSType::JS_UINT8_ARRAY:
case JSType::JS_UINT8_CLAMPED_ARRAY:
case JSType::JS_INT16_ARRAY:
case JSType::JS_UINT16_ARRAY:
case JSType::JS_INT32_ARRAY:
case JSType::JS_UINT32_ARRAY:
case JSType::JS_FLOAT32_ARRAY:
case JSType::JS_FLOAT64_ARRAY:
case JSType::JS_BIGINT64_ARRAY:
case JSType::JS_BIGUINT64_ARRAY:
JSTypedArray::Cast(*obj)->SetViewedArrayBufferOrByteArray(thread_, JSTaggedValue::Undefined());
JSTypedArray::Cast(*obj)->SetTypedArrayName(thread_, JSTaggedValue::Undefined());
JSTypedArray::Cast(*obj)->SetByteLength(0);
JSTypedArray::Cast(*obj)->SetByteOffset(0);
JSTypedArray::Cast(*obj)->SetArrayLength(0);
JSTypedArray::Cast(*obj)->SetContentType(ContentType::None);
break;
case JSType::JS_SHARED_TYPED_ARRAY:
case JSType::JS_SHARED_INT8_ARRAY:
case JSType::JS_SHARED_UINT8_ARRAY:
case JSType::JS_SHARED_UINT8_CLAMPED_ARRAY:
case JSType::JS_SHARED_INT16_ARRAY:
case JSType::JS_SHARED_UINT16_ARRAY:
case JSType::JS_SHARED_INT32_ARRAY:
case JSType::JS_SHARED_UINT32_ARRAY:
case JSType::JS_SHARED_FLOAT32_ARRAY:
case JSType::JS_SHARED_FLOAT64_ARRAY:
case JSType::JS_SHARED_BIGINT64_ARRAY:
case JSType::JS_SHARED_BIGUINT64_ARRAY:
JSSharedTypedArray::Cast(*obj)->SetViewedArrayBufferOrByteArray(thread_, JSTaggedValue::Undefined());
JSSharedTypedArray::Cast(*obj)->SetTypedArrayName(thread_, JSTaggedValue::Undefined());
JSSharedTypedArray::Cast(*obj)->SetByteLength(0);
JSSharedTypedArray::Cast(*obj)->SetByteOffset(0);
JSSharedTypedArray::Cast(*obj)->SetArrayLength(0);
JSSharedTypedArray::Cast(*obj)->SetContentType(ContentType::None);
JSSharedTypedArray::Cast(*obj)->SetModRecord(0);
break;
case JSType::JS_REG_EXP:
JSRegExp::Cast(*obj)->SetByteCodeBuffer(thread_, JSTaggedValue::Undefined());
JSRegExp::Cast(*obj)->SetOriginalSource(thread_, JSTaggedValue::Undefined());
JSRegExp::Cast(*obj)->SetOriginalFlags(thread_, JSTaggedValue(0));
JSRegExp::Cast(*obj)->SetGroupName(thread_, JSTaggedValue::Undefined());
JSRegExp::Cast(*obj)->SetLength(0);
break;
case JSType::JS_PRIMITIVE_REF:
JSPrimitiveRef::Cast(*obj)->SetValue(thread_, JSTaggedValue::Undefined());
break;
case JSType::JS_SET:
JSSet::Cast(*obj)->SetLinkedSet(thread_, JSTaggedValue::Undefined());
break;
case JSType::JS_SHARED_SET:
JSSharedSet::Cast(*obj)->SetLinkedSet(thread_, JSTaggedValue::Undefined());
JSSharedSet::Cast(*obj)->SetModRecord(0);
break;
case JSType::JS_MAP:
JSMap::Cast(*obj)->SetLinkedMap(thread_, JSTaggedValue::Undefined());
break;
case JSType::JS_SHARED_MAP:
JSSharedMap::Cast(*obj)->SetLinkedMap(thread_, JSTaggedValue::Undefined());
JSSharedMap::Cast(*obj)->SetModRecord(0);
break;
case JSType::JS_WEAK_MAP:
JSWeakMap::Cast(*obj)->SetLinkedMap(thread_, JSTaggedValue::Undefined());
break;
case JSType::JS_WEAK_SET:
JSWeakSet::Cast(*obj)->SetLinkedSet(thread_, JSTaggedValue::Undefined());
break;
case JSType::JS_WEAK_REF:
JSWeakRef::Cast(*obj)->SetWeakObject(thread_, JSTaggedValue::Undefined());
break;
case JSType::JS_FINALIZATION_REGISTRY:
JSFinalizationRegistry::Cast(*obj)->SetCleanupCallback(thread_, JSTaggedValue::Undefined());
JSFinalizationRegistry::Cast(*obj)->SetNoUnregister(thread_, JSTaggedValue::Undefined());
JSFinalizationRegistry::Cast(*obj)->SetMaybeUnregister(thread_, JSTaggedValue::Undefined());
JSFinalizationRegistry::Cast(*obj)->SetNext(thread_, JSTaggedValue::Null());
JSFinalizationRegistry::Cast(*obj)->SetPrev(thread_, JSTaggedValue::Null());
break;
case JSType::JS_GENERATOR_OBJECT:
JSGeneratorObject::Cast(*obj)->SetGeneratorContext(thread_, JSTaggedValue::Undefined());
JSGeneratorObject::Cast(*obj)->SetResumeResult(thread_, JSTaggedValue::Undefined());
JSGeneratorObject::Cast(*obj)->SetGeneratorState(JSGeneratorState::UNDEFINED);
JSGeneratorObject::Cast(*obj)->SetResumeMode(GeneratorResumeMode::UNDEFINED);
break;
case JSType::JS_ASYNC_GENERATOR_OBJECT:
JSAsyncGeneratorObject::Cast(*obj)->SetGeneratorContext(thread_, JSTaggedValue::Undefined());
JSAsyncGeneratorObject::Cast(*obj)->SetAsyncGeneratorQueue(thread_, GetEmptyTaggedQueue().GetTaggedValue());
JSAsyncGeneratorObject::Cast(*obj)->SetGeneratorBrand(thread_, JSTaggedValue::Undefined());
JSAsyncGeneratorObject::Cast(*obj)->SetResumeResult(thread_, JSTaggedValue::Undefined());
JSAsyncGeneratorObject::Cast(*obj)->SetAsyncGeneratorState(JSAsyncGeneratorState::UNDEFINED);
JSAsyncGeneratorObject::Cast(*obj)->SetResumeMode(AsyncGeneratorResumeMode::UNDEFINED);
break;
case JSType::JS_STRING_ITERATOR:
JSStringIterator::Cast(*obj)->SetStringIteratorNextIndex(0);
JSStringIterator::Cast(*obj)->SetIteratedString(thread_, JSTaggedValue::Undefined());
break;
case JSType::JS_ASYNC_FROM_SYNC_ITERATOR:
JSAsyncFromSyncIterator::Cast(*obj)->SetSyncIteratorRecord(thread_, JSTaggedValue::Undefined());
break;
case JSType::JS_ASYNC_FROM_SYNC_ITER_UNWARP_FUNCTION:
JSAsyncFromSyncIterUnwarpFunction::Cast(*obj)->SetDone(thread_, JSTaggedValue::Undefined());
break;
case JSType::JS_ARRAY_BUFFER:
JSArrayBuffer::Cast(*obj)->SetArrayBufferData(thread_, JSTaggedValue::Undefined());
JSArrayBuffer::Cast(*obj)->SetArrayBufferByteLength(0);
JSArrayBuffer::Cast(*obj)->ClearBitField();
break;
case JSType::JS_SHARED_ARRAY_BUFFER:
JSArrayBuffer::Cast(*obj)->SetArrayBufferData(thread_, JSTaggedValue::Undefined());
JSArrayBuffer::Cast(*obj)->SetArrayBufferByteLength(0);
JSArrayBuffer::Cast(*obj)->SetShared(true);
break;
case JSType::JS_SENDABLE_ARRAY_BUFFER:
JSSendableArrayBuffer::Cast(*obj)->SetArrayBufferData(thread_, JSTaggedValue::Undefined());
JSSendableArrayBuffer::Cast(*obj)->SetArrayBufferByteLength(0);
break;
case JSType::JS_PROMISE:
JSPromise::Cast(*obj)->SetPromiseState(PromiseState::PENDING);
JSPromise::Cast(*obj)->SetPromiseResult(thread_, JSTaggedValue::Undefined());
JSPromise::Cast(*obj)->SetPromiseRejectReactions(thread_, GetEmptyTaggedQueue().GetTaggedValue());
JSPromise::Cast(*obj)->SetPromiseFulfillReactions(thread_, GetEmptyTaggedQueue().GetTaggedValue());
JSPromise::Cast(*obj)->SetPromiseIsHandled(false);
break;
case JSType::JS_DATA_VIEW:
JSDataView::Cast(*obj)->SetDataView(thread_, JSTaggedValue(false));
JSDataView::Cast(*obj)->SetViewedArrayBuffer(thread_, JSTaggedValue::Undefined());
JSDataView::Cast(*obj)->SetByteLength(0);
JSDataView::Cast(*obj)->SetByteOffset(0);
break;
// non ECMA standard jsapi container
case JSType::JS_API_ARRAY_LIST: {
JSAPIArrayList::Cast(*obj)->SetLength(thread_, JSTaggedValue(0));
break;
}
case JSType::JS_API_HASH_MAP: {
JSAPIHashMap::Cast(*obj)->SetSize(0);
JSAPIHashMap::Cast(*obj)->SetTable(thread_, JSTaggedValue::Undefined());
break;
}
case JSType::JS_API_HASH_SET: {
JSAPIHashSet::Cast(*obj)->SetSize(0);
JSAPIHashSet::Cast(*obj)->SetTable(thread_, JSTaggedValue::Undefined());
break;
}
case JSType::JS_API_TREE_MAP: {
JSAPITreeMap::Cast(*obj)->SetTreeMap(thread_, JSTaggedValue::Undefined());
break;
}
case JSType::JS_API_TREE_SET: {
JSAPITreeSet::Cast(*obj)->SetTreeSet(thread_, JSTaggedValue::Undefined());
break;
}
case JSType::JS_API_QUEUE: {
JSAPIQueue::Cast(*obj)->SetLength(thread_, JSTaggedValue(0));
JSAPIQueue::Cast(*obj)->SetFront(0);
JSAPIQueue::Cast(*obj)->SetTail(0);
break;
}
case JSType::JS_API_PLAIN_ARRAY: {
JSAPIPlainArray::Cast(*obj)->SetLength(0);
JSAPIPlainArray::Cast(*obj)->SetValues(thread_, JSTaggedValue(0));
JSAPIPlainArray::Cast(*obj)->SetKeys(thread_, JSTaggedValue(0));
break;
}
case JSType::JS_API_STACK: {
JSAPIStack::Cast(*obj)->SetTop(0);
break;
}
case JSType::JS_API_DEQUE: {
JSAPIDeque::Cast(*obj)->SetFirst(0);
JSAPIDeque::Cast(*obj)->SetLast(0);
break;
}
case JSType::JS_API_LIGHT_WEIGHT_MAP: {
JSAPILightWeightMap::Cast(*obj)->SetLength(0);
JSAPILightWeightMap::Cast(*obj)->SetHashes(thread_, JSTaggedValue::Undefined());
JSAPILightWeightMap::Cast(*obj)->SetKeys(thread_, JSTaggedValue::Undefined());
JSAPILightWeightMap::Cast(*obj)->SetValues(thread_, JSTaggedValue::Undefined());
break;
}
case JSType::JS_API_LIGHT_WEIGHT_SET: {
JSAPILightWeightSet::Cast(*obj)->SetLength(0);
JSAPILightWeightSet::Cast(*obj)->SetHashes(thread_, JSTaggedValue::Undefined());
JSAPILightWeightSet::Cast(*obj)->SetValues(thread_, JSTaggedValue::Undefined());
break;
}
case JSType::JS_API_VECTOR: {
JSAPIVector::Cast(*obj)->SetLength(0);
break;
}
case JSType::JS_API_BITVECTOR: {
JSAPIBitVector::Cast(*obj)->SetLength(0);
JSAPIBitVector::Cast(*obj)->SetModRecord(0);
break;
}
case JSType::JS_API_LIST: {
JSAPIList::Cast(*obj)->SetSingleList(thread_, JSTaggedValue::Undefined());
JSAPIList::Cast(*obj)->SetBitField(0UL);
break;
}
case JSType::JS_API_LINKED_LIST: {
JSAPILinkedList::Cast(*obj)->SetDoubleList(thread_, JSTaggedValue::Undefined());
break;
}
case JSType::JS_ASYNC_FUNC_OBJECT:
JSAsyncFuncObject::Cast(*obj)->SetGeneratorContext(thread_, JSTaggedValue::Undefined());
JSAsyncFuncObject::Cast(*obj)->SetResumeResult(thread_, JSTaggedValue::Undefined());
JSAsyncFuncObject::Cast(*obj)->SetPromise(thread_, JSTaggedValue::Undefined());
break;
case JSType::JS_FUNCTION:
case JSType::JS_GENERATOR_FUNCTION:
JSFunction::InitializeJSFunction(thread_, JSHandle<JSFunction>(obj));
break;
case JSType::JS_ASYNC_GENERATOR_FUNCTION:
JSFunction::InitializeJSFunction(thread_, JSHandle<JSFunction>(obj));
break;
case JSType::JS_PROXY_REVOC_FUNCTION:
JSFunction::InitializeJSFunction(thread_, JSHandle<JSFunction>(obj));
JSProxyRevocFunction::Cast(*obj)->SetRevocableProxy(thread_, JSTaggedValue::Undefined());
break;
case JSType::JS_PROMISE_REACTIONS_FUNCTION:
JSFunction::InitializeJSFunction(thread_, JSHandle<JSFunction>(obj));
JSPromiseReactionsFunction::Cast(*obj)->SetPromise(thread_, JSTaggedValue::Undefined());
JSPromiseReactionsFunction::Cast(*obj)->SetAlreadyResolved(thread_, JSTaggedValue::Undefined());
break;
case JSType::JS_PROMISE_EXECUTOR_FUNCTION:
JSFunction::InitializeJSFunction(thread_, JSHandle<JSFunction>(obj));
JSPromiseExecutorFunction::Cast(*obj)->SetCapability(thread_, JSTaggedValue::Undefined());
break;
case JSType::JS_ASYNC_MODULE_FULFILLED_FUNCTION:
JSFunction::InitializeJSFunction(thread_, JSHandle<JSFunction>(obj));
JSAsyncModuleFulfilledFunction::Cast(*obj)->SetModule(thread_, JSTaggedValue::Undefined());
break;
case JSType::JS_ASYNC_MODULE_REJECTED_FUNCTION:
JSFunction::InitializeJSFunction(thread_, JSHandle<JSFunction>(obj));
JSAsyncModuleRejectedFunction::Cast(*obj)->SetModule(thread_, JSTaggedValue::Undefined());
break;
case JSType::JS_ASYNC_GENERATOR_RESUME_NEXT_RETURN_PROCESSOR_RST_FTN:
JSFunction::InitializeJSFunction(thread_, JSHandle<JSFunction>(obj));
JSAsyncGeneratorResNextRetProRstFtn::Cast(*obj)->SetAsyncGeneratorObject(thread_,
JSTaggedValue::Undefined());
break;
case JSType::JS_PROMISE_ALL_RESOLVE_ELEMENT_FUNCTION:
JSFunction::InitializeJSFunction(thread_, JSHandle<JSFunction>(obj));
JSPromiseAllResolveElementFunction::Cast(*obj)->SetIndex(thread_, JSTaggedValue::Undefined());
JSPromiseAllResolveElementFunction::Cast(*obj)->SetValues(thread_, JSTaggedValue::Undefined());
JSPromiseAllResolveElementFunction::Cast(*obj)->SetCapabilities(thread_, JSTaggedValue::Undefined());
JSPromiseAllResolveElementFunction::Cast(*obj)->SetRemainingElements(thread_, JSTaggedValue::Undefined());
JSPromiseAllResolveElementFunction::Cast(*obj)->SetAlreadyCalled(thread_, JSTaggedValue::Undefined());
break;
case JSType::JS_PROMISE_ANY_REJECT_ELEMENT_FUNCTION:
JSFunction::InitializeJSFunction(thread_, JSHandle<JSFunction>(obj));
JSPromiseAnyRejectElementFunction::Cast(*obj)->SetIndex(0);
JSPromiseAnyRejectElementFunction::Cast(*obj)->SetErrors(thread_, JSTaggedValue::Undefined());
JSPromiseAnyRejectElementFunction::Cast(*obj)->SetCapability(thread_, JSTaggedValue::Undefined());
JSPromiseAnyRejectElementFunction::Cast(*obj)->SetRemainingElements(thread_, JSTaggedValue::Undefined());
JSPromiseAnyRejectElementFunction::Cast(*obj)->SetAlreadyCalled(thread_, JSTaggedValue::Undefined());
break;
case JSType::JS_PROMISE_ALL_SETTLED_ELEMENT_FUNCTION:
JSFunction::InitializeJSFunction(thread_, JSHandle<JSFunction>(obj));
JSPromiseAllSettledElementFunction::Cast(*obj)->SetIndex(0);
JSPromiseAllSettledElementFunction::Cast(*obj)->SetValues(thread_, JSTaggedValue::Undefined());
JSPromiseAllSettledElementFunction::Cast(*obj)->SetCapability(thread_, JSTaggedValue::Undefined());
JSPromiseAllSettledElementFunction::Cast(*obj)->SetRemainingElements(thread_, JSTaggedValue::Undefined());
JSPromiseAllSettledElementFunction::Cast(*obj)->SetAlreadyCalled(thread_, JSTaggedValue::Undefined());
break;
case JSType::JS_PROMISE_FINALLY_FUNCTION:
JSFunction::InitializeJSFunction(thread_, JSHandle<JSFunction>(obj));
JSPromiseFinallyFunction::Cast(*obj)->SetOnFinally(thread_, JSTaggedValue::Undefined());
JSPromiseFinallyFunction::Cast(*obj)->SetConstructor(thread_, JSTaggedValue::Undefined());
break;
case JSType::JS_PROMISE_VALUE_THUNK_OR_THROWER_FUNCTION:
JSFunction::InitializeJSFunction(thread_, JSHandle<JSFunction>(obj));
JSPromiseValueThunkOrThrowerFunction::Cast(*obj)->SetResult(thread_, JSTaggedValue::Undefined());
break;
case JSType::JS_INTL_BOUND_FUNCTION:
JSFunction::InitializeJSFunction(thread_, JSHandle<JSFunction>(obj));
JSIntlBoundFunction::Cast(*obj)->SetNumberFormat(thread_, JSTaggedValue::Undefined());
JSIntlBoundFunction::Cast(*obj)->SetDateTimeFormat(thread_, JSTaggedValue::Undefined());
JSIntlBoundFunction::Cast(*obj)->SetCollator(thread_, JSTaggedValue::Undefined());
break;
case JSType::JS_BOUND_FUNCTION:
JSBoundFunction::Cast(*obj)->SetMethod(thread_, JSTaggedValue::Undefined());
JSBoundFunction::Cast(*obj)->SetBoundTarget(thread_, JSTaggedValue::Undefined());
JSBoundFunction::Cast(*obj)->SetBoundThis(thread_, JSTaggedValue::Undefined());
JSBoundFunction::Cast(*obj)->SetBoundArguments(thread_, JSTaggedValue::Undefined());
break;
case JSType::JS_ARGUMENTS:
break;
case JSType::JS_FORIN_ITERATOR:
case JSType::JS_MAP_ITERATOR:
case JSType::JS_SET_ITERATOR:
case JSType::JS_REG_EXP_ITERATOR:
case JSType::JS_API_ARRAYLIST_ITERATOR:
case JSType::JS_API_TREEMAP_ITERATOR:
case JSType::JS_API_TREESET_ITERATOR:
case JSType::JS_API_QUEUE_ITERATOR:
case JSType::JS_API_DEQUE_ITERATOR:
case JSType::JS_API_LIGHT_WEIGHT_MAP_ITERATOR:
case JSType::JS_API_LIGHT_WEIGHT_SET_ITERATOR:
case JSType::JS_API_STACK_ITERATOR:
case JSType::JS_API_VECTOR_ITERATOR:
case JSType::JS_API_BITVECTOR_ITERATOR:
case JSType::JS_API_HASHMAP_ITERATOR:
case JSType::JS_API_HASHSET_ITERATOR:
case JSType::JS_ARRAY_ITERATOR:
case JSType::JS_API_PLAIN_ARRAY_ITERATOR:
break;
case JSType::JS_CJS_MODULE:
CjsModule::Cast(*obj)->SetId(thread_, JSTaggedValue::Undefined());
CjsModule::Cast(*obj)->SetExports(thread_, JSTaggedValue::Undefined());
CjsModule::Cast(*obj)->SetPath(thread_, JSTaggedValue::Undefined());
CjsModule::Cast(*obj)->SetFilename(thread_, JSTaggedValue::Undefined());
CjsModule::Cast(*obj)->SetStatus(CjsModuleStatus::UNLOAD);
break;
case JSType::JS_CJS_EXPORTS:
CjsExports::Cast(*obj)->SetExports(thread_, JSTaggedValue::Undefined());
break;
case JSType::JS_CJS_REQUIRE:
CjsRequire::Cast(*obj)->SetCache(thread_, JSTaggedValue::Undefined());
CjsRequire::Cast(*obj)->SetParent(thread_, JSTaggedValue::Undefined());
break;
default:
LOG_ECMA(FATAL) << "this branch is unreachable";
UNREACHABLE();
}
}
FreeObject *ObjectFactory::FillFreeObject(uintptr_t address, size_t size, RemoveSlots removeSlots,
uintptr_t hugeObjectHead)
{
FreeObject *object = nullptr;
const GlobalEnvConstants *globalConst = thread_->GetFirstGlobalConst();
if (size >= FreeObject::SIZE_OFFSET && size < FreeObject::SIZE) {
object = reinterpret_cast<FreeObject *>(address);
object->SetClassWithoutBarrier(JSHClass::Cast(globalConst->GetFreeObjectWithOneFieldClass().GetTaggedObject()));
object->SetNext(INVALID_OBJECT);
} else if (size >= FreeObject::SIZE) {
object = reinterpret_cast<FreeObject *>(address);
object->SetClassWithoutBarrier(
JSHClass::Cast(globalConst->GetFreeObjectWithTwoFieldClass().GetTaggedObject()));
object->SetAvailable(size);
object->SetNext(INVALID_OBJECT);
if (UNLIKELY(heap_->ShouldVerifyHeap())) {
FillFreeMemoryRange(address + FreeObject::SIZE, address + size);
}
} else if (size == FreeObject::NEXT_OFFSET) {
object = reinterpret_cast<FreeObject *>(address);
object->SetClassWithoutBarrier(
JSHClass::Cast(globalConst->GetFreeObjectWithNoneFieldClass().GetTaggedObject()));
} else {
LOG_ECMA(DEBUG) << "Fill free object size is smaller";
}
if (removeSlots == RemoveSlots::YES) {
// For huge object, the region of `object` might not be its 1st region. Use `hugeObjectHead` instead.
Region *region = Region::ObjectAddressToRange(hugeObjectHead == 0 ? object :
reinterpret_cast<TaggedObject *>(hugeObjectHead));
heap_->ClearSlotsRange(region, address, address + size);
}
return object;
}
TaggedObject *ObjectFactory::NewObject(const JSHandle<JSHClass> &hclass)
{
NewObjectHook();
TaggedObject *header = heap_->AllocateYoungOrHugeObject(*hclass);
uint32_t inobjPropCount = hclass->GetInlinedProperties();
if (inobjPropCount > 0) {
InitializeExtraProperties(hclass, header, inobjPropCount);
}
return header;
}
TaggedObject *ObjectFactory::NewNonMovableObject(const JSHandle<JSHClass> &hclass, uint32_t inobjPropCount)
{
NewObjectHook();
TaggedObject *header = heap_->AllocateNonMovableOrHugeObject(*hclass);
if (inobjPropCount > 0) {
InitializeExtraProperties(hclass, header, inobjPropCount);
}
return header;
}
void ObjectFactory::InitializeExtraProperties(const JSHandle<JSHClass> &hclass,
TaggedObject *obj, uint32_t inobjPropCount)
{
ASSERT(inobjPropCount * JSTaggedValue::TaggedTypeSize() < hclass->GetObjectSize());
auto paddr = reinterpret_cast<uintptr_t>(obj) + hclass->GetObjectSize();
// The object which created by AOT speculative hclass, should be initialized as hole, means does not exist,
// to follow ECMA spec.
JSTaggedType initVal = hclass->IsTS() ? JSTaggedValue::VALUE_HOLE : JSTaggedValue::VALUE_UNDEFINED;
for (uint32_t i = 0; i < inobjPropCount; ++i) {
paddr -= JSTaggedValue::TaggedTypeSize();
*reinterpret_cast<JSTaggedType *>(paddr) = initVal;
}
}
JSHandle<JSObject> ObjectFactory::OrdinaryNewJSObjectCreate(const JSHandle<JSTaggedValue> &proto)
{
JSHandle<JSTaggedValue> protoValue(proto);
JSHandle<JSHClass> hclass(thread_, thread_->GlobalConstants()->GetObjectClass().GetTaggedObject());
JSHandle<JSHClass> newClass = JSHClass::TransProtoWithoutLayout(thread_, hclass, protoValue);
JSHandle<JSObject> newObj = NewJSObject(newClass);
newObj->GetJSHClass()->SetExtensible(true);
return newObj;
}
JSHandle<JSFunction> ObjectFactory::NewJSFunction(const JSHandle<GlobalEnv> &env, const void *nativeFunc,
FunctionKind kind, kungfu::BuiltinsStubCSigns::ID builtinId,
MemSpaceType methodSpaceType)
{
JSHandle<Method> target = NewMethodForNativeFunction(nativeFunc, kind, builtinId, methodSpaceType);
return NewJSFunction(env, target);
}
JSHandle<JSFunction> ObjectFactory::NewJSFunction(const JSHandle<GlobalEnv> &env,
const JSHandle<Method> &method)
{
FunctionKind kind = method->GetFunctionKind();
JSHandle<JSHClass> hclass;
if (kind == FunctionKind::BASE_CONSTRUCTOR) {
hclass = JSHandle<JSHClass>::Cast(env->GetFunctionClassWithProto());
} else if (JSFunction::IsConstructorKind(kind)) {
hclass = JSHandle<JSHClass>::Cast(env->GetConstructorFunctionClass());
} else if (kind == FunctionKind::CONCURRENT_FUNCTION) {
hclass = JSHandle<JSHClass>::Cast(env->GetAsyncFunctionClass());
} else {
hclass = JSHandle<JSHClass>::Cast(env->GetNormalFunctionClass());
}
return NewJSFunctionByHClass(method, hclass);
}
JSHandle<JSFunction> ObjectFactory::NewSFunction(const JSHandle<GlobalEnv> &env,
const void *nativeFunc,
FunctionKind kind,
kungfu::BuiltinsStubCSigns::ID builtinId,
MemSpaceType spaceType)
{
JSHandle<Method> method = NewSMethodForNativeFunction(nativeFunc, kind, builtinId, spaceType);
JSHandle<JSHClass> hclass = JSHandle<JSHClass>::Cast(env->GetSFunctionClassWithoutProto());
JSHandle<JSFunction> sfunc = NewSFunctionByHClass(method, hclass);
return sfunc;
}
JSHandle<JSHClass> ObjectFactory::CreateFunctionClass(FunctionKind kind, uint32_t size, JSType type,
const JSHandle<JSTaggedValue> &prototype)
{
const GlobalEnvConstants *globalConst = thread_->GlobalConstants();
JSHandle<JSHClass> functionClass = NewEcmaHClass(size, type, prototype);
{
functionClass->SetCallable(true);
// FunctionKind = BASE_CONSTRUCTOR
if (JSFunction::IsConstructorKind(kind)) {
functionClass->SetConstructor(true);
}
functionClass->SetExtensible(true);
}
uint32_t fieldOrder = 0;
ASSERT(JSFunction::LENGTH_INLINE_PROPERTY_INDEX == fieldOrder);
JSHandle<LayoutInfo> layoutInfoHandle = CreateLayoutInfo(JSFunction::LENGTH_OF_INLINE_PROPERTIES);
{
PropertyAttributes attributes = PropertyAttributes::DefaultAccessor(false, false, true);
attributes.SetIsInlinedProps(true);
attributes.SetRepresentation(Representation::TAGGED);
attributes.SetOffset(fieldOrder);
layoutInfoHandle->AddKey(thread_, fieldOrder, globalConst->GetLengthString(), attributes);
fieldOrder++;
}
ASSERT(JSFunction::NAME_INLINE_PROPERTY_INDEX == fieldOrder);
// not set name in-object property on class which may have a name() method
if (!JSFunction::IsClassConstructor(kind)) {
PropertyAttributes attributes = PropertyAttributes::DefaultAccessor(false, false, true);
attributes.SetIsInlinedProps(true);
attributes.SetRepresentation(Representation::TAGGED);
attributes.SetOffset(fieldOrder);
layoutInfoHandle->AddKey(thread_, fieldOrder,
thread_->GlobalConstants()->GetHandledNameString().GetTaggedValue(), attributes);
fieldOrder++;
}
if (JSFunction::HasPrototype(kind) && !JSFunction::IsClassConstructor(kind)) {
ASSERT(JSFunction::PROTOTYPE_INLINE_PROPERTY_INDEX == fieldOrder);
PropertyAttributes attributes = PropertyAttributes::DefaultAccessor(true, false, false);
attributes.SetIsInlinedProps(true);
attributes.SetRepresentation(Representation::TAGGED);
attributes.SetOffset(fieldOrder);
layoutInfoHandle->AddKey(thread_, fieldOrder, globalConst->GetPrototypeString(), attributes);
fieldOrder++;
} else if (JSFunction::IsClassConstructor(kind)) {
ASSERT(JSFunction::CLASS_PROTOTYPE_INLINE_PROPERTY_INDEX == fieldOrder);
PropertyAttributes attributes = PropertyAttributes::DefaultAccessor(false, false, false);
attributes.SetIsInlinedProps(true);
attributes.SetRepresentation(Representation::TAGGED);
attributes.SetOffset(fieldOrder);
layoutInfoHandle->AddKey(thread_, fieldOrder, globalConst->GetPrototypeString(), attributes);
fieldOrder++;
}
{
functionClass->SetLayout(thread_, layoutInfoHandle);
functionClass->SetNumberOfProps(fieldOrder);
}
return functionClass;
}
JSHandle<JSHClass> ObjectFactory::CreateBoundFunctionClass()
{
JSHandle<GlobalEnv> env = vm_->GetGlobalEnv();
JSHandle<JSTaggedValue> proto = env->GetFunctionPrototype();
JSHandle<JSHClass> hclass = NewEcmaHClass(JSBoundFunction::SIZE, JSType::JS_BOUND_FUNCTION, proto);
hclass->SetCallable(true);
// set hclass layout
uint32_t fieldOrder = 0;
const GlobalEnvConstants *globalConst = thread_->GlobalConstants();
ASSERT(JSFunction::LENGTH_INLINE_PROPERTY_INDEX == fieldOrder);
JSHandle<LayoutInfo> layoutInfoHandle = CreateLayoutInfo(JSFunction::LENGTH_OF_INLINE_PROPERTIES);
{
PropertyAttributes attributes = PropertyAttributes::DefaultAccessor(false, false, true);
attributes.SetIsInlinedProps(true);
attributes.SetRepresentation(Representation::TAGGED);
attributes.SetOffset(fieldOrder);
layoutInfoHandle->AddKey(thread_, fieldOrder, globalConst->GetLengthString(), attributes);
fieldOrder++;
}
ASSERT(JSFunction::NAME_INLINE_PROPERTY_INDEX == fieldOrder);
// not set name in-object property on class which may have a name() method
{
PropertyAttributes attributes = PropertyAttributes::DefaultAccessor(false, false, true);
attributes.SetIsInlinedProps(true);
attributes.SetRepresentation(Representation::TAGGED);
attributes.SetOffset(fieldOrder);
layoutInfoHandle->AddKey(thread_, fieldOrder,
globalConst->GetHandledNameString().GetTaggedValue(), attributes);
fieldOrder++;
}
{
hclass->SetLayout(thread_, layoutInfoHandle);
hclass->SetNumberOfProps(fieldOrder);
}
return hclass;
}
JSHandle<JSHClass> ObjectFactory::CreateDefaultClassPrototypeHClass(JSHClass *hclass)
{
uint32_t size = ClassInfoExtractor::NON_STATIC_RESERVED_LENGTH;
JSHandle<LayoutInfo> layout = CreateLayoutInfo(size, MemSpaceType::OLD_SPACE, GrowMode::KEEP);
PropertyAttributes attributes = PropertyAttributes::Default(true, false, true); // non-enumerable
attributes.SetIsInlinedProps(true);
attributes.SetRepresentation(Representation::TAGGED);
attributes.SetOffset(ClassInfoExtractor::CONSTRUCTOR_INDEX);
layout->AddKey(thread_, ClassInfoExtractor::CONSTRUCTOR_INDEX,
thread_->GlobalConstants()->GetConstructorString(), attributes);
JSHandle<JSHClass> defaultHclass = NewEcmaHClass(hclass, JSObject::SIZE, JSType::JS_OBJECT, size);
defaultHclass->SetLayout(thread_, layout);
defaultHclass->SetNumberOfProps(size);
defaultHclass->SetClassPrototype(true);
defaultHclass->SetIsPrototype(true);
return defaultHclass;
}
JSHandle<JSHClass> ObjectFactory::CreateDefaultClassConstructorHClass(JSHClass *hclass)
{
uint32_t size = ClassInfoExtractor::STATIC_RESERVED_LENGTH;
JSHandle<LayoutInfo> layout = CreateLayoutInfo(size, MemSpaceType::OLD_SPACE, GrowMode::KEEP);
JSHandle<TaggedArray> array = NewTaggedArray(size);
array->Set(thread_, ClassInfoExtractor::LENGTH_INDEX, thread_->GlobalConstants()->GetLengthString());
array->Set(thread_, ClassInfoExtractor::NAME_INDEX, thread_->GlobalConstants()->GetNameString());
array->Set(thread_, ClassInfoExtractor::PROTOTYPE_INDEX, thread_->GlobalConstants()->GetPrototypeString());
for (uint32_t index = ClassInfoExtractor::LENGTH_INDEX; index < size; index++) {
PropertyAttributes attributes;
if (index == ClassInfoExtractor::PROTOTYPE_INDEX) {
attributes = PropertyAttributes::DefaultAccessor(false, false, false);
} else {
attributes = PropertyAttributes::Default(false, false, true);
}
attributes.SetIsInlinedProps(true);
attributes.SetRepresentation(Representation::TAGGED);
attributes.SetOffset(index);
layout->AddKey(thread_, index, array->Get(index), attributes);
}
JSHandle<JSHClass> defaultHclass = NewEcmaHClass(hclass, JSFunction::SIZE, JSType::JS_FUNCTION, size);
defaultHclass->SetLayout(thread_, layout);
defaultHclass->SetNumberOfProps(size);
defaultHclass->SetClassConstructor(true);
defaultHclass->SetConstructor(true);
return defaultHclass;
}
JSHandle<JSFunction> ObjectFactory::NewJSFunctionByHClass(const JSHandle<Method> &method,
const JSHandle<JSHClass> &clazz,
MemSpaceType type)
{
JSHandle<JSFunction> function;
switch (type) {
case MemSpaceType::SEMI_SPACE:
function = JSHandle<JSFunction>::Cast(NewJSObject(clazz));
break;
case MemSpaceType::OLD_SPACE:
function = JSHandle<JSFunction>::Cast(NewOldSpaceJSObject(clazz));
break;
case MemSpaceType::NON_MOVABLE:
function = JSHandle<JSFunction>::Cast(NewNonMovableJSObject(clazz));
break;
default:
LOG_ECMA(FATAL) << "this branch is unreachable";
UNREACHABLE();
}
clazz->SetCallable(true);
clazz->SetExtensible(true);
JSFunction::InitializeJSFunction(thread_, function, method->GetFunctionKind());
function->SetMethod(thread_, method);
function->SetTaskConcurrentFuncFlag(0); // 0 : default value
if (method->IsAotWithCallField()) {
thread_->GetEcmaVM()->GetAOTFileManager()->
SetAOTFuncEntry(method->GetJSPandaFile(), *function, *method);
}
return function;
}
JSHandle<JSFunction> ObjectFactory::NewJSFunctionByHClass(const void *func, const JSHandle<JSHClass> &clazz,
FunctionKind kind)
{
JSHandle<Method> method = NewMethodForNativeFunction(func, kind);
JSHandle<JSFunction> function = JSHandle<JSFunction>::Cast(NewJSObject(clazz));
clazz->SetCallable(true);
clazz->SetExtensible(true);
JSFunction::InitializeJSFunction(thread_, function, kind);
function->SetMethod(thread_, method);
return function;
}
// new function with name/length accessor
JSHandle<JSFunction> ObjectFactory::NewJSFunctionByHClassWithoutAccessor(const void *func,
const JSHandle<JSHClass> &clazz, FunctionKind kind)
{
JSHandle<Method> method = NewMethodForNativeFunction(func, kind);
JSHandle<JSFunction> function = JSHandle<JSFunction>::Cast(NewJSObject(clazz));
clazz->SetCallable(true);
clazz->SetExtensible(true);
JSFunction::InitializeWithDefaultValue(thread_, function);
function->SetMethod(thread_, method);
return function;
}
void ObjectFactory::InitializeMethod(const MethodLiteral *methodLiteral, JSHandle<Method> &method)
{
if (methodLiteral != nullptr) {
method->SetCallField(methodLiteral->GetCallField());
method->SetLiteralInfo(methodLiteral->GetLiteralInfo());
method->SetNativePointerOrBytecodeArray(const_cast<void *>(methodLiteral->GetNativePointer()));
method->SetExtraLiteralInfo(methodLiteral->GetExtraLiteralInfo());
} else {
method->SetCallField(0ULL);
method->SetLiteralInfo(0ULL);
method->SetNativePointerOrBytecodeArray(nullptr);
method->SetExtraLiteralInfo(0ULL);
}
method->SetCodeEntryOrLiteral(reinterpret_cast<uintptr_t>(methodLiteral));
method->SetConstantPool(thread_, JSTaggedValue::Undefined());
method->SetFpDelta(0);
}
JSHandle<Method> ObjectFactory::NewMethod(const MethodLiteral *methodLiteral, MemSpaceType spaceType)
{
NewObjectHook();
TaggedObject *header = nullptr;
if (spaceType == NON_MOVABLE) {
header = heap_->AllocateNonMovableOrHugeObject(
JSHClass::Cast(thread_->GlobalConstants()->GetMethodClass().GetTaggedObject()));
} else {
header = heap_->AllocateOldOrHugeObject(
JSHClass::Cast(thread_->GlobalConstants()->GetMethodClass().GetTaggedObject()));
}
JSHandle<Method> method(thread_, header);
InitializeMethod(methodLiteral, method);
return method;
}
JSHandle<Method> ObjectFactory::NewMethod(const JSPandaFile *jsPandaFile, MethodLiteral *methodLiteral,
JSHandle<ConstantPool> constpool, uint32_t entryIndex,
bool needSetAotFlag, bool *canFastCall)
{
JSHandle<Method> method;
if (jsPandaFile->IsNewVersion()) {
method = Method::Create(thread_, jsPandaFile, methodLiteral);
} else {
method = NewMethod(methodLiteral);
method->SetConstantPool(thread_, constpool);
}
if (needSetAotFlag) {
thread_->GetEcmaVM()->GetAOTFileManager()->
SetAOTFuncEntry(jsPandaFile, nullptr, *method, entryIndex, canFastCall);
} else {
method->InitInterpreterStatusForCompiledMethod(thread_);
}
return method;
}
JSHandle<JSFunction> ObjectFactory::NewJSNativeErrorFunction(const JSHandle<GlobalEnv> &env, const void *nativeFunc)
{
JSHandle<Method> target = NewMethodForNativeFunction(nativeFunc, FunctionKind::BUILTIN_CONSTRUCTOR);
JSHandle<JSHClass> hclass = JSHandle<JSHClass>::Cast(env->GetNativeErrorFunctionClass());
return NewJSFunctionByHClass(target, hclass);
}
JSHandle<JSFunction> ObjectFactory::NewSpecificTypedArrayFunction(const JSHandle<GlobalEnv> &env,
const void *nativeFunc,
kungfu::BuiltinsStubCSigns::ID builtinId)
{
JSHandle<Method> target = NewMethodForNativeFunction(nativeFunc, FunctionKind::BUILTIN_CONSTRUCTOR, builtinId);
JSHandle<JSHClass> hclass = JSHandle<JSHClass>::Cast(env->GetSpecificTypedArrayFunctionClass());
return NewJSFunctionByHClass(target, hclass);
}
JSHandle<JSFunction> ObjectFactory::NewAotFunction(uint32_t numArgs, uintptr_t codeEntry)
{
JSHandle<GlobalEnv> env = vm_->GetGlobalEnv();
JSHandle<Method> method = NewMethodForNativeFunction(reinterpret_cast<void *>(codeEntry));
method->SetAotCodeBit(true);
method->SetNativeBit(false);
method->SetNumArgsWithCallField(numArgs);
method->SetCodeEntryOrLiteral(codeEntry);
JSHandle<JSFunction> jsfunc = NewJSFunction(env, method);
return jsfunc;
}
JSHandle<JSBoundFunction> ObjectFactory::NewJSBoundFunction(const JSHandle<JSTaggedValue> &target,
const JSHandle<JSTaggedValue> &boundThis,
const JSHandle<TaggedArray> &args)
{
JSHandle<GlobalEnv> env = vm_->GetGlobalEnv();
const GlobalEnvConstants *globalConst = thread_->GlobalConstants();
JSHandle<JSHClass> hclass = JSHandle<JSHClass>::Cast(env->GetBoundFunctionClass());
JSHandle<JSBoundFunction> bundleFunction = JSHandle<JSBoundFunction>::Cast(NewJSObject(hclass));
// set properties
JSHandle<JSTaggedValue> accessor = globalConst->GetHandledFunctionNameAccessor();
bundleFunction->SetPropertyInlinedProps(thread_, JSFunction::NAME_INLINE_PROPERTY_INDEX,
accessor.GetTaggedValue());
accessor = globalConst->GetHandledFunctionLengthAccessor();
bundleFunction->SetPropertyInlinedProps(thread_, JSFunction::LENGTH_INLINE_PROPERTY_INDEX,
accessor.GetTaggedValue());
bundleFunction->SetBoundTarget(thread_, target);
bundleFunction->SetBoundThis(thread_, boundThis);
bundleFunction->SetBoundArguments(thread_, args);
if (target.GetTaggedValue().IsConstructor()) {
bundleFunction->SetConstructor(true);
}
bundleFunction->SetMethod(thread_, vm_->GetMethodByIndex(MethodIndex::BUILTINS_GLOBAL_CALL_JS_BOUND_FUNCTION));
return bundleFunction;
}
JSHandle<JSIntlBoundFunction> ObjectFactory::NewJSIntlBoundFunction(MethodIndex idx, int functionLength)
{
JSHandle<GlobalEnv> env = vm_->GetGlobalEnv();
JSHandle<JSHClass> hclass = JSHandle<JSHClass>::Cast(env->GetJSIntlBoundFunctionClass());
JSHandle<JSIntlBoundFunction> intlBoundFunc = JSHandle<JSIntlBoundFunction>::Cast(NewJSObject(hclass));
intlBoundFunc->SetNumberFormat(thread_, JSTaggedValue::Undefined());
intlBoundFunc->SetDateTimeFormat(thread_, JSTaggedValue::Undefined());
intlBoundFunc->SetCollator(thread_, JSTaggedValue::Undefined());
JSHandle<JSFunction> function = JSHandle<JSFunction>::Cast(intlBoundFunc);
JSFunction::InitializeJSFunction(thread_, function);
function->SetMethod(thread_, vm_->GetMethodByIndex(idx));
JSFunction::SetFunctionLength(thread_, function, JSTaggedValue(functionLength));
const GlobalEnvConstants *globalConst = thread_->GlobalConstants();
JSHandle<JSTaggedValue> emptyString = globalConst->GetHandledEmptyString();
JSHandle<JSTaggedValue> nameKey = globalConst->GetHandledNameString();
PropertyDescriptor nameDesc(thread_, emptyString, false, false, true);
JSTaggedValue::DefinePropertyOrThrow(thread_, JSHandle<JSTaggedValue>::Cast(function), nameKey, nameDesc);
RETURN_HANDLE_IF_ABRUPT_COMPLETION(JSIntlBoundFunction, thread_);
return intlBoundFunc;
}
JSHandle<JSProxyRevocFunction> ObjectFactory::NewJSProxyRevocFunction(const JSHandle<JSProxy> &proxy)
{
JSHandle<GlobalEnv> env = vm_->GetGlobalEnv();
const GlobalEnvConstants *globalConst = thread_->GlobalConstants();
JSHandle<JSHClass> hclass = JSHandle<JSHClass>::Cast(env->GetProxyRevocFunctionClass());
JSHandle<JSProxyRevocFunction> revocFunction = JSHandle<JSProxyRevocFunction>::Cast(NewJSObject(hclass));
revocFunction->SetRevocableProxy(thread_, JSTaggedValue::Undefined());
revocFunction->SetRevocableProxy(thread_, proxy);
JSHandle<JSFunction> function = JSHandle<JSFunction>::Cast(revocFunction);
JSFunction::InitializeJSFunction(thread_, function);
function->SetMethod(thread_, vm_->GetMethodByIndex(MethodIndex::BUILTINS_PROXY_INVALIDATE_PROXY_FUNCTION));
JSFunction::SetFunctionLength(thread_, function, JSTaggedValue(0));
JSHandle<JSTaggedValue> emptyString = globalConst->GetHandledEmptyString();
JSHandle<JSTaggedValue> nameKey = globalConst->GetHandledNameString();
PropertyDescriptor nameDesc(thread_, emptyString, false, false, true);
JSTaggedValue::DefinePropertyOrThrow(thread_, JSHandle<JSTaggedValue>::Cast(function), nameKey, nameDesc);
RETURN_HANDLE_IF_ABRUPT_COMPLETION(JSProxyRevocFunction, thread_);
return revocFunction;
}
JSHandle<JSAsyncAwaitStatusFunction> ObjectFactory::NewJSAsyncAwaitStatusFunction(MethodIndex idx)
{
JSHandle<GlobalEnv> env = vm_->GetGlobalEnv();
JSHandle<JSHClass> hclass = JSHandle<JSHClass>::Cast(env->GetAsyncAwaitStatusFunctionClass());
JSHandle<JSAsyncAwaitStatusFunction> awaitFunction =
JSHandle<JSAsyncAwaitStatusFunction>::Cast(NewJSObject(hclass));
awaitFunction->SetAsyncContext(thread_, JSTaggedValue::Undefined());
JSFunction::InitializeJSFunction(thread_, JSHandle<JSFunction>::Cast(awaitFunction));
awaitFunction->SetMethod(thread_, vm_->GetMethodByIndex(idx));
return awaitFunction;
}
JSHandle<JSGeneratorObject> ObjectFactory::NewJSGeneratorObject(JSHandle<JSTaggedValue> generatorFunction)
{
JSHandle<JSTaggedValue> proto(thread_, JSHandle<JSFunction>::Cast(generatorFunction)->GetProtoOrHClass());
if (!proto->IsECMAObject()) {
JSHandle<GlobalEnv> realmHandle = JSObject::GetFunctionRealm(thread_, generatorFunction);
RETURN_HANDLE_IF_ABRUPT_COMPLETION(JSGeneratorObject, thread_);
proto = realmHandle->GetGeneratorPrototype();
}
JSHandle<JSHClass> hclass = NewEcmaHClass(JSGeneratorObject::SIZE, JSType::JS_GENERATOR_OBJECT, proto);
JSHandle<JSGeneratorObject> generatorObject = JSHandle<JSGeneratorObject>::Cast(NewJSObjectWithInit(hclass));
generatorObject->SetGeneratorContext(thread_, JSTaggedValue::Undefined());
generatorObject->SetResumeResult(thread_, JSTaggedValue::Undefined());
return generatorObject;
}
JSHandle<JSAsyncGeneratorObject> ObjectFactory::NewJSAsyncGeneratorObject(JSHandle<JSTaggedValue> generatorFunction)
{
JSHandle<JSTaggedValue> proto(thread_, JSHandle<JSFunction>::Cast(generatorFunction)->GetProtoOrHClass());
if (!proto->IsECMAObject()) {
JSHandle<GlobalEnv> realmHandle = JSObject::GetFunctionRealm(thread_, generatorFunction);
RETURN_HANDLE_IF_ABRUPT_COMPLETION(JSAsyncGeneratorObject, thread_);
proto = realmHandle->GetAsyncGeneratorPrototype();
}
JSHandle<JSHClass> hclass = NewEcmaHClass(JSAsyncGeneratorObject::SIZE,
JSType::JS_ASYNC_GENERATOR_OBJECT, proto);
JSHandle<JSAsyncGeneratorObject> generatorObject =
JSHandle<JSAsyncGeneratorObject>::Cast(NewJSObjectWithInit(hclass));
return generatorObject;
}
JSHandle<JSAsyncFuncObject> ObjectFactory::NewJSAsyncFuncObject()
{
JSHandle<GlobalEnv> env = vm_->GetGlobalEnv();
JSHandle<JSTaggedValue> proto = env->GetInitialGenerator();
JSHandle<JSHClass> hclass = NewEcmaHClass(JSAsyncFuncObject::SIZE, JSType::JS_ASYNC_FUNC_OBJECT, proto);
JSHandle<JSAsyncFuncObject> asyncFuncObject = JSHandle<JSAsyncFuncObject>::Cast(NewJSObjectWithInit(hclass));
return asyncFuncObject;
}
JSHandle<CompletionRecord> ObjectFactory::NewCompletionRecord(CompletionRecordType type, JSHandle<JSTaggedValue> value)
{
NewObjectHook();
TaggedObject *header = heap_->AllocateYoungOrHugeObject(
JSHClass::Cast(thread_->GlobalConstants()->GetCompletionRecordClass().GetTaggedObject()));
JSHandle<CompletionRecord> obj(thread_, header);
obj->SetType(type);
obj->SetValue(thread_, value);
return obj;
}
JSHandle<GeneratorContext> ObjectFactory::NewGeneratorContext()
{
NewObjectHook();
TaggedObject *header = heap_->AllocateYoungOrHugeObject(
JSHClass::Cast(thread_->GlobalConstants()->GetGeneratorContextClass().GetTaggedObject()));
JSHandle<GeneratorContext> obj(thread_, header);
obj->SetRegsArray(thread_, JSTaggedValue::Undefined());
obj->SetMethod(thread_, JSTaggedValue::Undefined());
obj->SetThis(thread_, JSTaggedValue::Undefined());
obj->SetAcc(thread_, JSTaggedValue::Undefined());
obj->SetGeneratorObject(thread_, JSTaggedValue::Undefined());
obj->SetLexicalEnv(thread_, JSTaggedValue::Undefined());
obj->SetNRegs(0);
obj->SetBCOffset(0);
return obj;
}
JSHandle<JSPrimitiveRef> ObjectFactory::NewJSPrimitiveRef(const JSHandle<JSFunction> &function,
const JSHandle<JSTaggedValue> &object)
{
JSHandle<JSPrimitiveRef> obj(NewJSObjectByConstructor(function));
obj->SetValue(thread_, object);
JSHandle<GlobalEnv> env = vm_->GetGlobalEnv();
if (function.GetTaggedValue() == env->GetStringFunction().GetTaggedValue()) {
JSHandle<JSTaggedValue> lengthStr = thread_->GlobalConstants()->GetHandledLengthString();
uint32_t length = EcmaStringAccessor(object.GetTaggedValue()).GetLength();
PropertyDescriptor desc(thread_, JSHandle<JSTaggedValue>(thread_, JSTaggedValue(length)), false, false, false);
JSTaggedValue::DefinePropertyOrThrow(thread_, JSHandle<JSTaggedValue>(obj), lengthStr, desc);
RETURN_HANDLE_IF_ABRUPT_COMPLETION(JSPrimitiveRef, thread_);
}
return obj;
}
JSHandle<JSPrimitiveRef> ObjectFactory::NewJSPrimitiveRef(PrimitiveType type, const JSHandle<JSTaggedValue> &object)
{
ObjectFactory *factory = vm_->GetFactory();
JSHandle<GlobalEnv> env = vm_->GetGlobalEnv();
JSHandle<JSTaggedValue> function;
switch (type) {
case PrimitiveType::PRIMITIVE_NUMBER:
function = env->GetNumberFunction();
break;
case PrimitiveType::PRIMITIVE_STRING:
function = env->GetStringFunction();
break;
case PrimitiveType::PRIMITIVE_SYMBOL:
function = env->GetSymbolFunction();
break;
case PrimitiveType::PRIMITIVE_BOOLEAN:
function = env->GetBooleanFunction();
break;
case PrimitiveType::PRIMITIVE_BIGINT:
function = env->GetBigIntFunction();
break;
default:
break;
}
JSHandle<JSFunction> funcHandle(function);
return factory->NewJSPrimitiveRef(funcHandle, object);
}
JSHandle<JSPrimitiveRef> ObjectFactory::NewJSString(const JSHandle<JSTaggedValue> &str,
const JSHandle<JSTaggedValue> &newTarget)
{
JSHandle<GlobalEnv> env = vm_->GetGlobalEnv();
JSHandle<JSFunction> stringFunc(env->GetStringFunction());
JSHandle<JSPrimitiveRef> obj;
if (newTarget->IsUndefined()) {
obj = JSHandle<JSPrimitiveRef>::Cast(NewJSObjectByConstructor(stringFunc));
} else {
JSHandle<JSObject> newObject = NewJSObjectByConstructor(stringFunc, newTarget);
RETURN_HANDLE_IF_ABRUPT_COMPLETION(JSPrimitiveRef, thread_);
obj = JSHandle<JSPrimitiveRef>::Cast(newObject);
}
obj->SetValue(thread_, str);
return obj;
}
JSHandle<GlobalEnv> ObjectFactory::NewGlobalEnv(JSHClass *globalEnvClass)
{
NewObjectHook();
// Note: Global env must be allocated in non-movable heap, since its getters will directly return
// the offsets of the properties as the address of Handles.
TaggedObject *header = heap_->AllocateNonMovableOrHugeObject(globalEnvClass);
InitObjectFields(header);
return JSHandle<GlobalEnv>(thread_, GlobalEnv::Cast(header));
}
JSHandle<LexicalEnv> ObjectFactory::NewLexicalEnv(int numSlots)
{
NewObjectHook();
size_t size = LexicalEnv::ComputeSize(numSlots);
auto header = heap_->AllocateYoungOrHugeObject(
JSHClass::Cast(thread_->GlobalConstants()->GetEnvClass().GetTaggedObject()), size);
JSHandle<LexicalEnv> array(thread_, header);
array->InitializeWithSpecialValue(JSTaggedValue::Hole(), numSlots + LexicalEnv::RESERVED_ENV_LENGTH);
return array;
}
JSHandle<JSSymbol> ObjectFactory::NewEmptySymbol()
{
NewObjectHook();
TaggedObject *header = heap_->AllocateNonMovableOrHugeObject(
JSHClass::Cast(thread_->GlobalConstants()->GetSymbolClass().GetTaggedObject()));
JSHandle<JSSymbol> obj(thread_, JSSymbol::Cast(header));
obj->SetDescription(thread_, JSTaggedValue::Undefined());
obj->SetFlags(0);
obj->SetHashField(0);
return obj;
}
JSHandle<JSSymbol> ObjectFactory::NewJSSymbol()
{
NewObjectHook();
TaggedObject *header = heap_->AllocateYoungOrHugeObject(
JSHClass::Cast(thread_->GlobalConstants()->GetSymbolClass().GetTaggedObject()));
JSHandle<JSSymbol> obj(thread_, JSSymbol::Cast(header));
obj->SetDescription(thread_, JSTaggedValue::Undefined());
obj->SetFlags(0);
obj->SetHashField(SymbolTable::Hash(obj.GetTaggedValue()));
return obj;
}
JSHandle<JSSymbol> ObjectFactory::NewPrivateSymbol()
{
JSHandle<JSSymbol> obj = NewJSSymbol();
obj->SetPrivate();
return obj;
}
JSHandle<JSSymbol> ObjectFactory::NewPrivateNameSymbol(const JSHandle<JSTaggedValue> &name)
{
NewObjectHook();
TaggedObject *header = heap_->AllocateYoungOrHugeObject(
JSHClass::Cast(thread_->GlobalConstants()->GetSymbolClass().GetTaggedObject()));
JSHandle<JSSymbol> obj(thread_, JSSymbol::Cast(header));
obj->SetFlags(0);
obj->SetPrivateNameSymbol();
obj->SetDescription(thread_, name);
obj->SetHashField(SymbolTable::Hash(name.GetTaggedValue()));
return obj;
}
JSHandle<JSSymbol> ObjectFactory::NewWellKnownSymbol(const JSHandle<JSTaggedValue> &name)
{
NewObjectHook();
TaggedObject *header = heap_->AllocateYoungOrHugeObject(
JSHClass::Cast(thread_->GlobalConstants()->GetSymbolClass().GetTaggedObject()));
JSHandle<JSSymbol> obj(thread_, JSSymbol::Cast(header));
obj->SetFlags(0);
obj->SetWellKnownSymbol();
obj->SetDescription(thread_, name);
obj->SetHashField(SymbolTable::Hash(name.GetTaggedValue()));
return obj;
}
JSHandle<JSSymbol> ObjectFactory::NewPublicSymbol(const JSHandle<JSTaggedValue> &name)
{
NewObjectHook();
TaggedObject *header = heap_->AllocateYoungOrHugeObject(
JSHClass::Cast(thread_->GlobalConstants()->GetSymbolClass().GetTaggedObject()));
JSHandle<JSSymbol> obj(thread_, JSSymbol::Cast(header));
obj->SetFlags(0);
obj->SetDescription(thread_, name);
obj->SetHashField(SymbolTable::Hash(name.GetTaggedValue()));
return obj;
}
JSHandle<JSSymbol> ObjectFactory::NewSymbolWithTable(const JSHandle<JSTaggedValue> &name)
{
JSHandle<GlobalEnv> env = vm_->GetGlobalEnv();
JSHandle<SymbolTable> tableHandle(env->GetRegisterSymbols());
if (tableHandle->ContainsKey(name.GetTaggedValue())) {
JSTaggedValue objValue = tableHandle->GetSymbol(name.GetTaggedValue());
return JSHandle<JSSymbol>(thread_, objValue);
}
JSHandle<JSSymbol> obj = NewPublicSymbol(name);
JSHandle<JSTaggedValue> valueHandle(obj);
JSHandle<JSTaggedValue> keyHandle(name);
JSHandle<SymbolTable> table = SymbolTable::Insert(thread_, tableHandle, keyHandle, valueHandle);
env->SetRegisterSymbols(thread_, table);
return obj;
}
JSHandle<JSSymbol> ObjectFactory::NewPrivateNameSymbolWithChar(std::string_view description)
{
JSHandle<EcmaString> string = NewFromUtf8(description);
return NewPrivateNameSymbol(JSHandle<JSTaggedValue>(string));
}
JSHandle<JSSymbol> ObjectFactory::NewWellKnownSymbolWithChar(std::string_view description)
{
JSHandle<EcmaString> string = NewFromUtf8(description);
return NewWellKnownSymbol(JSHandle<JSTaggedValue>(string));
}
JSHandle<JSSymbol> ObjectFactory::NewPublicSymbolWithChar(std::string_view description)
{
JSHandle<EcmaString> string = NewFromUtf8(description);
return NewPublicSymbol(JSHandle<JSTaggedValue>(string));
}
JSHandle<JSSymbol> ObjectFactory::NewSymbolWithTableWithChar(std::string_view description)
{
JSHandle<EcmaString> string = NewFromUtf8(description);
return NewSymbolWithTable(JSHandle<JSTaggedValue>(string));
}
JSHandle<AccessorData> ObjectFactory::NewAccessorData()
{
NewObjectHook();
TaggedObject *header = heap_->AllocateYoungOrHugeObject(
JSHClass::Cast(thread_->GlobalConstants()->GetAccessorDataClass().GetTaggedObject()));
JSHandle<AccessorData> acc(thread_, AccessorData::Cast(header));
acc->SetGetter(thread_, JSTaggedValue::Undefined());
acc->SetSetter(thread_, JSTaggedValue::Undefined());
return acc;
}
JSHandle<AccessorData> ObjectFactory::NewInternalAccessor(void *setter, void *getter)
{
NewObjectHook();
TaggedObject *header = heap_->AllocateNonMovableOrHugeObject(
JSHClass::Cast(thread_->GlobalConstants()->GetInternalAccessorClass().GetTaggedObject()));
JSHandle<InternalAccessor> obj(thread_, InternalAccessor::Cast(header));
obj->SetSetter(reinterpret_cast<InternalAccessor::InternalSetFunc>(setter));
obj->SetGetter(reinterpret_cast<InternalAccessor::InternalGetFunc>(getter));
return JSHandle<AccessorData>::Cast(obj);
}
JSHandle<PromiseCapability> ObjectFactory::NewPromiseCapability()
{
NewObjectHook();
TaggedObject *header = heap_->AllocateYoungOrHugeObject(
JSHClass::Cast(thread_->GlobalConstants()->GetCapabilityRecordClass().GetTaggedObject()));
JSHandle<PromiseCapability> obj(thread_, header);
obj->SetPromise(thread_, JSTaggedValue::Undefined());
obj->SetResolve(thread_, JSTaggedValue::Undefined());
obj->SetReject(thread_, JSTaggedValue::Undefined());
return obj;
}
JSHandle<PromiseReaction> ObjectFactory::NewPromiseReaction()
{
NewObjectHook();
TaggedObject *header = heap_->AllocateYoungOrHugeObject(
JSHClass::Cast(thread_->GlobalConstants()->GetReactionsRecordClass().GetTaggedObject()));
JSHandle<PromiseReaction> obj(thread_, header);
obj->SetPromiseCapability(thread_, JSTaggedValue::Undefined());
obj->SetHandler(thread_, JSTaggedValue::Undefined());
obj->SetType(PromiseType::RESOLVE);
return obj;
}
JSHandle<PromiseIteratorRecord> ObjectFactory::NewPromiseIteratorRecord(const JSHandle<JSTaggedValue> &itor, bool done)
{
NewObjectHook();
TaggedObject *header = heap_->AllocateYoungOrHugeObject(
JSHClass::Cast(thread_->GlobalConstants()->GetPromiseIteratorRecordClass().GetTaggedObject()));
JSHandle<PromiseIteratorRecord> obj(thread_, header);
obj->SetIterator(thread_, itor.GetTaggedValue());
obj->SetDone(done);
return obj;
}
JSHandle<job::MicroJobQueue> ObjectFactory::NewMicroJobQueue()
{
NewObjectHook();
TaggedObject *header = heap_->AllocateNonMovableOrHugeObject(
JSHClass::Cast(thread_->GlobalConstants()->GetMicroJobQueueClass().GetTaggedObject()));
JSHandle<job::MicroJobQueue> obj(thread_, header);
obj->SetPromiseJobQueue(thread_, GetEmptyTaggedQueue().GetTaggedValue());
obj->SetScriptJobQueue(thread_, GetEmptyTaggedQueue().GetTaggedValue());
return obj;
}
JSHandle<job::PendingJob> ObjectFactory::NewPendingJob(const JSHandle<JSFunction> &func,
const JSHandle<TaggedArray> &argv)
{
NewObjectHook();
TaggedObject *header = heap_->AllocateYoungOrHugeObject(
JSHClass::Cast(thread_->GlobalConstants()->GetPendingJobClass().GetTaggedObject()));
JSHandle<job::PendingJob> obj(thread_, header);
obj->SetJob(thread_, func.GetTaggedValue());
obj->SetArguments(thread_, argv.GetTaggedValue());
#if defined(ENABLE_HITRACE)
obj->SetChainId(0);
obj->SetSpanId(0);
obj->SetParentSpanId(0);
obj->SetFlags(0);
obj->SetJobId(0);
#endif
return obj;
}
JSHandle<JSProxy> ObjectFactory::NewJSProxy(const JSHandle<JSTaggedValue> &target,
const JSHandle<JSTaggedValue> &handler)
{
NewObjectHook();
TaggedObject *header = nullptr;
const GlobalEnvConstants *globalConst = thread_->GlobalConstants();
JSHandle<JSObject> emptyObject = OrdinaryNewJSObjectCreate(vm_->GetGlobalEnv()->GetObjectFunctionPrototype());
if (target->IsCallable()) {
auto jsProxyCallableClass = JSHClass::Cast(globalConst->GetJSProxyCallableClass().GetTaggedObject());
auto jsProxyConstructClass = JSHClass::Cast(globalConst->GetJSProxyConstructClass().GetTaggedObject());
header = target->IsConstructor() ? heap_->AllocateYoungOrHugeObject(jsProxyConstructClass)
: heap_->AllocateYoungOrHugeObject(jsProxyCallableClass);
} else {
header = heap_->AllocateYoungOrHugeObject(
JSHClass::Cast(thread_->GlobalConstants()->GetJSProxyOrdinaryClass().GetTaggedObject()));
}
JSHandle<JSProxy> proxy(thread_, header);
proxy->InitializeHash();
proxy->SetMethod(thread_, vm_->GetMethodByIndex(MethodIndex::BUILTINS_GLOBAL_CALL_JS_PROXY));
proxy->SetTarget(thread_, target.GetTaggedValue());
proxy->SetHandler(thread_, handler.GetTaggedValue());
proxy->SetPrivateField(thread_, emptyObject.GetTaggedValue());
proxy->SetIsRevoked(false);
return proxy;
}
JSHandle<JSRealm> ObjectFactory::NewJSRealm()
{
JSHandle<JSHClass> hClassHandle = NewEcmaHClassClass(nullptr, JSHClass::SIZE, JSType::HCLASS);
JSHClass *hclass = reinterpret_cast<JSHClass *>(hClassHandle.GetTaggedValue().GetTaggedObject());
hclass->SetClass(thread_, hclass);
JSHandle<JSHClass> realmEnvClass = NewEcmaHClass(*hClassHandle, GlobalEnv::SIZE, JSType::GLOBAL_ENV);
JSHandle<GlobalEnv> realmEnvHandle = NewGlobalEnv(*realmEnvClass);
auto result = TemplateMap::Create(thread_);
realmEnvHandle->SetTemplateMap(thread_, result);
realmEnvHandle->SetJSThread(thread_);
Builtins builtins;
builtins.Initialize(realmEnvHandle, thread_, false, true);
JSHandle<JSTaggedValue> protoValue = thread_->GlobalConstants()->GetHandledJSRealmClass();
JSHandle<JSHClass> hclassHandle = NewEcmaHClass(JSRealm::SIZE, JSType::JS_REALM, protoValue);
JSHandle<JSRealm> realm(NewJSObject(hclassHandle));
realm->SetGlobalEnv(thread_, realmEnvHandle.GetTaggedValue());
realm->SetValue(thread_, JSTaggedValue::Undefined());
JSHandle<JSTaggedValue> realmObj = realmEnvHandle->GetJSGlobalObject();
JSHandle<JSTaggedValue> realmkey(thread_->GlobalConstants()->GetHandledGlobalString());
PropertyDescriptor realmDesc(thread_, JSHandle<JSTaggedValue>::Cast(realmObj), true, false, true);
[[maybe_unused]] bool status =
JSObject::DefineOwnProperty(thread_, JSHandle<JSObject>::Cast(realm), realmkey, realmDesc);
ASSERT_PRINT(status == true, "Realm defineOwnProperty failed");
return realm;
}
JSHandle<TaggedArray> ObjectFactory::NewTaggedArray(uint32_t length, JSTaggedValue initVal, bool nonMovable)
{
if (nonMovable) {
return NewTaggedArray(length, initVal, MemSpaceType::NON_MOVABLE);
}
return NewTaggedArray(length, initVal, MemSpaceType::SEMI_SPACE);
}
JSHandle<TaggedArray> ObjectFactory::NewTaggedArray(uint32_t length, JSTaggedValue initVal, MemSpaceType spaceType)
{
NewObjectHook();
if (length == 0) {
return EmptyArray();
}
size_t size = TaggedArray::ComputeSize(JSTaggedValue::TaggedTypeSize(), length);
TaggedObject *header = nullptr;
JSHClass *arrayClass = JSHClass::Cast(thread_->GlobalConstants()->GetArrayClass().GetTaggedObject());
switch (spaceType) {
case MemSpaceType::SEMI_SPACE:
header = heap_->AllocateYoungOrHugeObject(arrayClass, size);
break;
case MemSpaceType::OLD_SPACE:
header = heap_->AllocateOldOrHugeObject(arrayClass, size);
break;
case MemSpaceType::NON_MOVABLE:
header = heap_->AllocateNonMovableOrHugeObject(arrayClass, size);
break;
case MemSpaceType::SHARED_OLD_SPACE:
header = sHeap_->AllocateOldOrHugeObject(thread_, arrayClass, size);
break;
case MemSpaceType::SHARED_NON_MOVABLE:
header = sHeap_->AllocateNonMovableOrHugeObject(thread_, arrayClass, size);
break;
default:
LOG_ECMA(FATAL) << "this branch is unreachable";
UNREACHABLE();
}
JSHandle<TaggedArray> array(thread_, header);
array->InitializeWithSpecialValue(initVal, length);
return array;
}
JSHandle<TaggedArray> ObjectFactory::NewAndCopyTaggedArray(JSHandle<TaggedArray> &srcElements, uint32_t newLength,
uint32_t oldLength, uint32_t k)
{
ASSERT(oldLength <= newLength);
MemSpaceType spaceType = newLength < LENGTH_THRESHOLD ? MemSpaceType::SEMI_SPACE : MemSpaceType::OLD_SPACE;
JSHandle<TaggedArray> dstElements = NewTaggedArrayWithoutInit(newLength, spaceType);
dstElements->SetExtraLength(srcElements->GetExtraLength());
if (newLength == 0) {
return dstElements;
}
dstElements->Copy(thread_, 0, k, srcElements.GetObject<TaggedArray>(), oldLength);
for (uint32_t i = oldLength; i < newLength; i++) {
dstElements->Set(thread_, i, JSTaggedValue::Hole());
}
return dstElements;
}
JSHandle<TaggedArray> ObjectFactory::NewAndCopyTaggedArraySkipBarrier(JSHandle<TaggedArray> &srcElements,
uint32_t newLength, uint32_t oldLength, uint32_t k)
{
ASSERT(oldLength <= newLength);
MemSpaceType spaceType = newLength < LENGTH_THRESHOLD ? MemSpaceType::SEMI_SPACE : MemSpaceType::OLD_SPACE;
JSHandle<TaggedArray> dstElements = NewTaggedArrayWithoutInit(newLength, spaceType);
if (newLength == 0) {
return dstElements;
}
dstElements->Copy<false>(thread_, 0, k, srcElements.GetObject<TaggedArray>(), oldLength);
for (uint32_t i = oldLength; i < newLength; i++) {
dstElements->Set(thread_, i, JSTaggedValue::Hole());
}
return dstElements;
}
JSHandle<TaggedArray> ObjectFactory::NewAndCopySNameDictionary(JSHandle<TaggedArray> &srcElements, uint32_t length)
{
JSHandle<TaggedArray> dstElements = NewSDictionaryArray(length);
if (length == 0) {
return dstElements;
}
for (uint32_t i = 0; i < length; i++) {
dstElements->Set(thread_, i, srcElements->Get(i));
}
return dstElements;
}
JSHandle<JSObject> ObjectFactory::NewAndCopyJSArrayObject(JSHandle<JSObject> thisObjHandle, uint32_t newLength,
uint32_t oldLength, uint32_t k)
{
ASSERT(oldLength <= newLength);
JSHandle<TaggedArray> dstElements(NewTaggedArray(newLength));
JSHandle<JSTaggedValue> holeHandle(thread_, JSTaggedValue::Hole());
JSHandle<JSObject> arrayObj = JSHandle<JSObject>(NewJSStableArrayWithElements(dstElements));
if (newLength == 0) {
return JSHandle<JSObject>(arrayObj);
}
for (uint32_t i = 0; i < oldLength; i++) {
JSHandle<JSTaggedValue> value(thread_, ElementAccessor::Get(thisObjHandle, i + k));
ElementAccessor::Set(thread_, arrayObj, i, value, true);
}
for (uint32_t i = oldLength; i < newLength; i++) {
ElementAccessor::Set(thread_, arrayObj, i, holeHandle, true);
}
return arrayObj;
}
JSHandle<TaggedArray> ObjectFactory::NewAndCopyTaggedArrayByObject(JSHandle<JSObject> thisObjHandle, uint32_t newLength,
uint32_t oldLength, uint32_t k)
{
ASSERT(oldLength <= newLength);
MemSpaceType spaceType = newLength < LENGTH_THRESHOLD ? MemSpaceType::SEMI_SPACE : MemSpaceType::OLD_SPACE;
JSHandle<TaggedArray> dstElements(NewTaggedArrayWithoutInit(newLength, spaceType));
TaggedArray *srcElements = TaggedArray::Cast(thisObjHandle->GetElements().GetTaggedObject());
dstElements->SetExtraLength(srcElements->GetExtraLength());
if (newLength == 0) {
return dstElements;
}
for (uint32_t i = 0; i < oldLength; i++) {
dstElements->Set(thread_, i, ElementAccessor::Get(thisObjHandle, i + k));
}
for (uint32_t i = oldLength; i < newLength; i++) {
dstElements->Set(thread_, i, JSTaggedValue::Hole());
}
return dstElements;
}
JSHandle<MutantTaggedArray> ObjectFactory::NewAndCopyMutantTaggedArrayByObject(JSHandle<JSObject> thisObjHandle,
uint32_t newLength, uint32_t oldLength,
uint32_t k)
{
ASSERT(oldLength <= newLength);
MemSpaceType spaceType = newLength < LENGTH_THRESHOLD ? MemSpaceType::SEMI_SPACE : MemSpaceType::OLD_SPACE;
JSHandle<MutantTaggedArray> dstElements(NewMutantTaggedArrayWithoutInit(newLength, spaceType));
MutantTaggedArray *srcElements = MutantTaggedArray::Cast(thisObjHandle->GetElements().GetTaggedObject());
dstElements->SetExtraLength(srcElements->GetExtraLength());
if (newLength == 0) {
return dstElements;
}
for (uint32_t i = 0; i < oldLength; i++) {
ElementsKind kind = thisObjHandle->GetClass()->GetElementsKind();
JSTaggedValue value = JSTaggedValue(ElementAccessor::ConvertTaggedValueWithElementsKind(
ElementAccessor::Get(thisObjHandle, i + k), kind));
dstElements->Set<false>(thread_, i, value);
}
for (uint32_t i = oldLength; i < newLength; i++) {
ElementsKind kind = thisObjHandle->GetClass()->GetElementsKind();
JSTaggedValue value = JSTaggedValue(ElementAccessor::ConvertTaggedValueWithElementsKind(JSTaggedValue::Hole(),
kind));
dstElements->Set<false>(thread_, i, value);
}
return dstElements;
}
// private
JSHandle<TaggedArray> ObjectFactory::NewTaggedArrayWithoutInit(uint32_t length, MemSpaceType spaceType)
{
NewObjectHook();
if (length == 0) {
return EmptyArray();
}
size_t size = TaggedArray::ComputeSize(JSTaggedValue::TaggedTypeSize(), length);
TaggedObject *header = nullptr;
auto arrayClass = JSHClass::Cast(thread_->GlobalConstants()->GetArrayClass().GetTaggedObject());
switch (spaceType) {
case MemSpaceType::SEMI_SPACE:
header = heap_->AllocateYoungOrHugeObject(arrayClass, size);
break;
case MemSpaceType::OLD_SPACE:
header = heap_->AllocateOldOrHugeObject(arrayClass, size);
break;
case MemSpaceType::SHARED_OLD_SPACE:
header = sHeap_->AllocateOldOrHugeObject(thread_, arrayClass, size);
break;
default:
LOG_ECMA(FATAL) << "this branch is unreachable";
UNREACHABLE();
}
JSHandle<TaggedArray> array(thread_, header);
array->SetLength(length);
return array;
}
// private
JSHandle<MutantTaggedArray> ObjectFactory::NewMutantTaggedArrayWithoutInit(uint32_t length, MemSpaceType spaceType)
{
NewObjectHook();
if (length == 0) {
return EmptyMutantArray();
}
size_t size = TaggedArray::ComputeSize(JSTaggedValue::TaggedTypeSize(), length);
TaggedObject *header = nullptr;
auto arrayClass = JSHClass::Cast(thread_->GlobalConstants()->GetMutantTaggedArrayClass().GetTaggedObject());
switch (spaceType) {
case MemSpaceType::SEMI_SPACE:
header = heap_->AllocateYoungOrHugeObject(arrayClass, size);
break;
case MemSpaceType::OLD_SPACE:
header = heap_->AllocateOldOrHugeObject(arrayClass, size);
break;
default:
LOG_ECMA(FATAL) << "this branch is unreachable";
UNREACHABLE();
}
JSHandle<MutantTaggedArray> array(thread_, header);
array->SetLength(length);
return array;
}
JSHandle<TaggedArray> ObjectFactory::NewTaggedArray(uint32_t length, JSTaggedValue initVal)
{
NewObjectHook();
if (length == 0) {
return EmptyArray();
}
MemSpaceType spaceType = length < LENGTH_THRESHOLD ? MemSpaceType::SEMI_SPACE : MemSpaceType::OLD_SPACE;
JSHandle<TaggedArray> array = NewTaggedArrayWithoutInit(length, spaceType);
array->InitializeWithSpecialValue(initVal, length);
return array;
}
JSHandle<COWTaggedArray> ObjectFactory::NewCOWTaggedArray(uint32_t length, JSTaggedValue initVal)
{
NewObjectHook();
ASSERT(length > 0);
size_t size = TaggedArray::ComputeSize(JSTaggedValue::TaggedTypeSize(), length);
auto header = heap_->AllocateNonMovableOrHugeObject(
JSHClass::Cast(thread_->GlobalConstants()->GetCOWArrayClass().GetTaggedObject()), size);
JSHandle<COWTaggedArray> cowArray(thread_, header);
cowArray->InitializeWithSpecialValue(initVal, length);
return cowArray;
}
JSHandle<COWMutantTaggedArray> ObjectFactory::NewCOWMutantTaggedArray(uint32_t length, JSTaggedType initVal)
{
NewObjectHook();
ASSERT(length > 0);
size_t size = TaggedArray::ComputeSize(JSTaggedValue::TaggedTypeSize(), length);
auto header = heap_->AllocateNonMovableOrHugeObject(
JSHClass::Cast(thread_->GlobalConstants()->GetCOWMutantTaggedArrayClass().GetTaggedObject()), size);
JSHandle<COWMutantTaggedArray> cowMutantTaggedArray(thread_, header);
cowMutantTaggedArray->InitializeWithSpecialValue(initVal, length);
return cowMutantTaggedArray;
}
JSHandle<MutantTaggedArray> ObjectFactory::NewMutantTaggedArray(uint32_t length, JSTaggedType initVal)
{
NewObjectHook();
ASSERT(length > 0);
size_t size = TaggedArray::ComputeSize(JSTaggedValue::TaggedTypeSize(), length);
auto header = heap_->AllocateYoungOrHugeObject(
JSHClass::Cast(thread_->GlobalConstants()->GetMutantTaggedArrayClass().GetTaggedObject()), size);
JSHandle<MutantTaggedArray> mutantTaggedArray(thread_, header);
mutantTaggedArray->InitializeWithSpecialValue(initVal, length);
return mutantTaggedArray;
}
JSHandle<TaggedHashArray> ObjectFactory::NewTaggedHashArray(uint32_t length)
{
if (length == 0) {
return JSHandle<TaggedHashArray>::Cast(EmptyArray());
}
size_t size = TaggedArray::ComputeSize(JSTaggedValue::TaggedTypeSize(), length);
auto header = heap_->AllocateYoungOrHugeObject(
JSHClass::Cast(thread_->GlobalConstants()->GetArrayClass().GetTaggedObject()), size);
JSHandle<TaggedHashArray> array(thread_, header);
array->InitializeWithSpecialValue(JSTaggedValue::Hole(), length);
return array;
}
JSHandle<ByteArray> ObjectFactory::NewByteArray(uint32_t length, uint32_t size, void *srcData,
MemSpaceType spaceType)
{
size_t byteSize = ByteArray::ComputeSize(size, length);
JSHClass *arrayClass = JSHClass::Cast(thread_->GlobalConstants()->GetByteArrayClass().GetTaggedObject());
TaggedObject *header = AllocObjectWithSpaceType(byteSize, arrayClass, spaceType);
JSHandle<ByteArray> array(thread_, header);
void *data = array->GetData();
if (srcData != nullptr) {
if (memcpy_s(data, length * size, srcData, length * size) != EOK) {
LOG_FULL(FATAL) << "memcpy_s failed";
UNREACHABLE();
}
} else {
if (memset_s(data, length * size, 0, length * size) != EOK) {
LOG_FULL(FATAL) << "memset_s failed";
UNREACHABLE();
}
}
array->SetArrayLength(length);
array->SetByteLength(size);
return array;
}
JSHandle<LinkedNode> ObjectFactory::NewLinkedNode(int hash, const JSHandle<JSTaggedValue> &key,
const JSHandle<JSTaggedValue> &value,
const JSHandle<LinkedNode> &next)
{
NewObjectHook();
const GlobalEnvConstants *globalConst = thread_->GlobalConstants();
auto header = heap_->AllocateYoungOrHugeObject(
JSHClass::Cast(globalConst->GetLinkedNode().GetTaggedObject()), LinkedNode::SIZE);
JSHandle<LinkedNode> node(thread_, header);
node->InitLinkedNode(thread_, hash, key, value, next);
return node;
}
JSHandle<RBTreeNode> ObjectFactory::NewTreeNode(int hash, const JSHandle<JSTaggedValue> &key,
const JSHandle<JSTaggedValue> &value)
{
NewObjectHook();
const GlobalEnvConstants *globalConst = thread_->GlobalConstants();
auto header = heap_->AllocateYoungOrHugeObject(
JSHClass::Cast(globalConst->GetRBTreeNode().GetTaggedObject()), RBTreeNode::SIZE);
JSHandle<RBTreeNode> treenode(thread_, header);
treenode->InitRBTreeNode(thread_, hash, key, value, 1);
return treenode;
}
JSHandle<TaggedArray> ObjectFactory::NewDictionaryArray(uint32_t length)
{
NewObjectHook();
ASSERT(length > 0);
size_t size = TaggedArray::ComputeSize(JSTaggedValue::TaggedTypeSize(), length);
auto header = heap_->AllocateYoungOrHugeObject(
JSHClass::Cast(thread_->GlobalConstants()->GetDictionaryClass().GetTaggedObject()), size);
JSHandle<TaggedArray> array(thread_, header);
array->InitializeWithSpecialValue(JSTaggedValue::Undefined(), length);
return array;
}
JSHandle<TaggedArray> ObjectFactory::ExtendArray(const JSHandle<TaggedArray> &old, uint32_t length,
JSTaggedValue initVal, MemSpaceType type,
[[maybe_unused]] ElementsKind kind)
{
ASSERT(length >= old->GetLength());
NewObjectHook();
size_t size = TaggedArray::ComputeSize(JSTaggedValue::TaggedTypeSize(), length);
JSHClass *arrayClass = nullptr;
// If old element is Mutantarray, need conversion according to kind.
if (old->GetClass()->IsMutantTaggedArray()) {
arrayClass = JSHClass::Cast(thread_->GlobalConstants()->GetMutantTaggedArrayClass().GetTaggedObject());
} else {
arrayClass = JSHClass::Cast(thread_->GlobalConstants()->GetArrayClass().GetTaggedObject());
}
TaggedObject *header = AllocObjectWithSpaceType(size, arrayClass, type);
JSHandle<TaggedArray> newArray(thread_, header);
newArray->SetLength(length);
newArray->SetExtraLength(old->GetExtraLength());
uint32_t oldLength = old->GetLength();
uint32_t index = 0;
auto isMutantTaggedArray = old->GetClass()->IsMutantTaggedArray();
for (; index < oldLength; ++index) {
if (isMutantTaggedArray) {
newArray->Set<false>(thread_, index, old->Get(index));
} else {
newArray->Set(thread_, index, old->Get(index));
}
}
auto isSpecialHole = initVal.IsHole() && isMutantTaggedArray;
JSTaggedValue specialHole = JSTaggedValue(base::SPECIAL_HOLE);
for (; index < length; ++index) {
if (isSpecialHole) {
newArray->Set<false>(thread_, index, specialHole);
} else {
newArray->Set(thread_, index, initVal);
}
}
return newArray;
}
JSHandle<TaggedArray> ObjectFactory::CopyPartArray(const JSHandle<TaggedArray> &old, uint32_t start,
uint32_t end)
{
ASSERT(start <= end);
ASSERT(end <= old->GetLength());
uint32_t newLength = end - start;
if (newLength == 0) {
return EmptyArray();
}
NewObjectHook();
size_t size = TaggedArray::ComputeSize(JSTaggedValue::TaggedTypeSize(), newLength);
auto header = heap_->AllocateYoungOrHugeObject(
JSHClass::Cast(thread_->GlobalConstants()->GetArrayClass().GetTaggedObject()), size);
JSHandle<TaggedArray> newArray(thread_, header);
newArray->InitializeWithSpecialValue(JSTaggedValue::Hole(), newLength, old->GetExtraLength());
for (uint32_t i = 0; i < newLength; i++) {
JSTaggedValue value = old->Get(i + start);
if (value.IsHole()) {
break;
}
newArray->Set(thread_, i, value);
}
return newArray;
}
JSHandle<TaggedArray> ObjectFactory::CopyArray(const JSHandle<TaggedArray> &old, uint32_t oldLength, uint32_t newLength,
JSTaggedValue initVal, MemSpaceType type, ElementsKind kind)
{
if (newLength == 0) {
return EmptyArray();
}
if (newLength > oldLength) {
return ExtendArray(old, newLength, initVal, type, kind);
}
NewObjectHook();
size_t size = TaggedArray::ComputeSize(JSTaggedValue::TaggedTypeSize(), newLength);
TaggedObject *header = nullptr;
if (type == MemSpaceType::NON_MOVABLE) {
// COW array is shared in nonmovable space.
JSHClass *cowArrayClass = nullptr;
if (old->GetClass()->IsMutantTaggedArray()) {
cowArrayClass = JSHClass::Cast(thread_->GlobalConstants()->GetCOWMutantTaggedArrayClass()
.GetTaggedObject());
} else {
cowArrayClass = JSHClass::Cast(thread_->GlobalConstants()->GetCOWArrayClass().GetTaggedObject());
}
header = AllocObjectWithSpaceType(size, cowArrayClass, type);
} else {
JSHClass *arrayClass = nullptr;
if (old->GetClass()->IsMutantTaggedArray()) {
arrayClass = JSHClass::Cast(thread_->GlobalConstants()->GetMutantTaggedArrayClass().GetTaggedObject());
} else {
arrayClass = JSHClass::Cast(thread_->GlobalConstants()->GetArrayClass().GetTaggedObject());
}
header = AllocObjectWithSpaceType(size, arrayClass, type);
}
JSHandle<TaggedArray> newArray(thread_, header);
newArray->SetLength(newLength);
newArray->SetExtraLength(old->GetExtraLength());
if (old->GetClass()->IsMutantTaggedArray()) {
newArray->Copy<false>(thread_, 0, 0, *old, newLength);
} else {
newArray->Copy(thread_, 0, 0, *old, newLength);
}
return newArray;
}
JSHandle<TaggedArray> ObjectFactory::CopyFromEnumCache(const JSHandle<TaggedArray> &old)
{
NewObjectHook();
uint32_t oldLength = old->GetLength();
uint32_t newLength = oldLength - EnumCache::ENUM_CACHE_HEADER_SIZE;
size_t size = TaggedArray::ComputeSize(JSTaggedValue::TaggedTypeSize(), newLength);
TaggedObject *header = heap_->AllocateYoungOrHugeObject(
JSHClass::Cast(thread_->GlobalConstants()->GetArrayClass().GetTaggedObject()), size);
JSHandle<TaggedArray> newArray(thread_, header);
newArray->SetLength(newLength);
newArray->SetExtraLength(old->GetExtraLength());
for (uint32_t i = 0; i < newLength; i++) {
JSTaggedValue value = old->Get(i + EnumCache::ENUM_CACHE_HEADER_SIZE);
newArray->Set(thread_, i, value);
}
return newArray;
}
JSHandle<LayoutInfo> ObjectFactory::CreateLayoutInfo(int properties, MemSpaceType type, GrowMode mode)
{
int growLength =
mode == GrowMode::GROW ? static_cast<int>(LayoutInfo::ComputeGrowCapacity(properties)) : properties;
uint32_t arrayLength = LayoutInfo::ComputeArrayLength(growLength);
JSHandle<LayoutInfo> layoutInfoHandle = JSHandle<LayoutInfo>::Cast(NewTaggedArrayWithoutInit(arrayLength, type));
layoutInfoHandle->Initialize(thread_);
return layoutInfoHandle;
}
JSHandle<LayoutInfo> ObjectFactory::ExtendLayoutInfo(const JSHandle<LayoutInfo> &old, int properties)
{
ASSERT(properties >= old->NumberOfElements());
uint32_t arrayLength = LayoutInfo::ComputeArrayLength(LayoutInfo::ComputeGrowCapacity(properties));
ASSERT(arrayLength > old->GetLength());
auto oldArray = JSHandle<TaggedArray>(old);
auto newArray = NewTaggedArrayWithoutInit(arrayLength, MemSpaceType::SEMI_SPACE);
JSHandle<LayoutInfo>::Cast(newArray)->Initialize(thread_, oldArray->GetExtraLength());
uint32_t oldLength = old->GetLength();
for (uint32_t i = 0; i < oldLength; i++) {
JSTaggedValue value = oldArray->Get(i);
newArray->Set(thread_, i, value);
}
return JSHandle<LayoutInfo>::Cast(newArray);
}
JSHandle<LayoutInfo> ObjectFactory::CopyLayoutInfo(const JSHandle<LayoutInfo> &old)
{
uint32_t newLength = old->GetLength();
return JSHandle<LayoutInfo>(CopyArray(JSHandle<TaggedArray>::Cast(old), newLength, newLength));
}
JSHandle<LayoutInfo> ObjectFactory::CopyAndReSort(const JSHandle<LayoutInfo> &old, int end, int capacity)
{
ASSERT(capacity >= end);
JSHandle<LayoutInfo> newArr = CreateLayoutInfo(capacity);
Span<struct Properties> sp(old->GetProperties(), end);
for (int i = 0; i < end; i++) {
newArr->AddKey(thread_, i, sp[i].key_, PropertyAttributes(sp[i].attr_));
}
return newArr;
}
JSHandle<ConstantPool> ObjectFactory::NewConstantPool(uint32_t capacity)
{
NewObjectHook();
size_t size = ConstantPool::ComputeSize(capacity);
auto header = heap_->AllocateOldOrHugeObject(
JSHClass::Cast(thread_->GlobalConstants()->GetConstantPoolClass().GetTaggedObject()), size);
JSHandle<ConstantPool> array(thread_, header);
array->InitializeWithSpecialValue(thread_, JSTaggedValue::Hole(), capacity);
return array;
}
JSHandle<Program> ObjectFactory::NewProgram()
{
NewObjectHook();
TaggedObject *header = heap_->AllocateYoungOrHugeObject(
JSHClass::Cast(thread_->GlobalConstants()->GetProgramClass().GetTaggedObject()));
JSHandle<Program> p(thread_, header);
p->InitializeHash();
p->SetMainFunction(thread_, JSTaggedValue::Undefined());
return p;
}
JSHandle<ModuleNamespace> ObjectFactory::NewModuleNamespace()
{
NewObjectHook();
JSHandle<GlobalEnv> env = vm_->GetGlobalEnv();
JSHandle<JSHClass> hclass = JSHandle<JSHClass>::Cast(env->GetModuleNamespaceClass());
JSHandle<JSObject> obj = NewJSObject(hclass);
JSHandle<ModuleNamespace> moduleNamespace = JSHandle<ModuleNamespace>::Cast(obj);
moduleNamespace->SetModule(thread_, JSTaggedValue::Undefined());
moduleNamespace->SetExports(thread_, JSTaggedValue::Undefined());
moduleNamespace->SetDeregisterProcession(thread_, JSTaggedValue::Undefined());
return moduleNamespace;
}
JSHandle<NativeModuleFailureInfo> ObjectFactory::NewNativeModuleFailureInfo()
{
NewObjectHook();
JSHandle<GlobalEnv> env = vm_->GetGlobalEnv();
JSHandle<JSHClass> hclass = JSHandle<JSHClass>::Cast(env->GetNativeModuleFailureInfoClass());
JSHandle<JSObject> obj = NewJSObject(hclass);
JSHandle<NativeModuleFailureInfo> nativeModuleFailureInfo = JSHandle<NativeModuleFailureInfo>::Cast(obj);
nativeModuleFailureInfo->SetArkNativeModuleFailureInfo(thread_, JSTaggedValue::Undefined());
return nativeModuleFailureInfo;
}
JSHandle<CjsModule> ObjectFactory::NewCjsModule()
{
NewObjectHook();
JSHandle<GlobalEnv> env = vm_->GetGlobalEnv();
JSHandle<JSFunction> moduleObj(env->GetCjsModuleFunction());
JSHandle<CjsModule> cjsModule = JSHandle<CjsModule>(NewJSObjectByConstructor(moduleObj));
return cjsModule;
}
JSHandle<CjsExports> ObjectFactory::NewCjsExports()
{
NewObjectHook();
JSHandle<GlobalEnv> env = vm_->GetGlobalEnv();
JSHandle<JSFunction> exportsObj(env->GetCjsExportsFunction());
JSHandle<CjsExports> cjsExports = JSHandle<CjsExports>(NewJSObjectByConstructor(exportsObj));
return cjsExports;
}
JSHandle<CjsRequire> ObjectFactory::NewCjsRequire()
{
NewObjectHook();
JSHandle<GlobalEnv> env = vm_->GetGlobalEnv();
JSHandle<JSFunction> requireObj(env->GetCjsRequireFunction());
JSHandle<CjsRequire> cjsRequire = JSHandle<CjsRequire>(NewJSObjectByConstructor(requireObj));
return cjsRequire;
}
JSHandle<EcmaString> ObjectFactory::GetEmptyString() const
{
return JSHandle<EcmaString>(thread_->GlobalConstants()->GetHandledEmptyString());
}
JSHandle<TaggedArray> ObjectFactory::EmptyArray() const
{
return JSHandle<TaggedArray>(thread_->GlobalConstants()->GetHandledEmptyArray());
}
JSHandle<MutantTaggedArray> ObjectFactory::EmptyMutantArray() const
{
return JSHandle<MutantTaggedArray>(thread_->GlobalConstants()->GetHandledEmptyArray());
}
JSHandle<EcmaString> ObjectFactory::GetStringFromStringTable(const uint8_t *utf8Data, uint32_t utf8Len,
bool canBeCompress) const
{
NewObjectHook();
if (utf8Len == 0) {
return GetEmptyString();
}
auto stringTable = vm_->GetEcmaStringTable();
return JSHandle<EcmaString>(thread_, stringTable->GetOrInternString(vm_, utf8Data, utf8Len, canBeCompress));
}
JSHandle<EcmaString> ObjectFactory::GetCompressedSubStringFromStringTable(const JSHandle<EcmaString> &string,
uint32_t offset, uint32_t utf8Len) const
{
NewObjectHook();
if (UNLIKELY(utf8Len == 0)) {
return GetEmptyString();
}
auto *stringTable = vm_->GetEcmaStringTable();
return JSHandle<EcmaString>(thread_, stringTable->GetOrInternCompressedSubString(vm_, string, offset, utf8Len));
}
JSHandle<EcmaString> ObjectFactory::GetStringFromStringTableNonMovable(const uint8_t *utf8Data, uint32_t utf8Len) const
{
NewObjectHook();
if (utf8Len == 0) {
return GetEmptyString();
}
auto stringTable = vm_->GetEcmaStringTable();
return JSHandle<EcmaString>(thread_, stringTable->CreateAndInternStringNonMovable(vm_, utf8Data, utf8Len));
}
JSHandle<EcmaString> ObjectFactory::GetStringFromStringTableReadOnly(const uint8_t *utf8Data, uint32_t utf8Len,
bool canBeCompress) const
{
NewObjectHook();
if (utf8Len == 0) {
return GetEmptyString();
}
auto stringTable = vm_->GetEcmaStringTable();
return JSHandle<EcmaString>(thread_, stringTable->CreateAndInternStringReadOnly(vm_, utf8Data, utf8Len,
canBeCompress));
}
JSHandle<EcmaString> ObjectFactory::GetStringFromStringTable(const uint16_t *utf16Data, uint32_t utf16Len,
bool canBeCompress) const
{
NewObjectHook();
if (utf16Len == 0) {
return GetEmptyString();
}
auto stringTable = vm_->GetEcmaStringTable();
return JSHandle<EcmaString>(thread_, stringTable->GetOrInternString(vm_, utf16Data, utf16Len, canBeCompress));
}
JSHandle<EcmaString> ObjectFactory::GetStringFromStringTable(EcmaString *string) const
{
ASSERT(string != nullptr);
if (EcmaStringAccessor(string).GetLength() == 0) {
return GetEmptyString();
}
auto stringTable = vm_->GetEcmaStringTable();
return JSHandle<EcmaString>(thread_, stringTable->GetOrInternString(vm_, string));
}
// NB! don't do special case for C0 80, it means '\u0000', so don't convert to UTF-8
EcmaString *ObjectFactory::GetRawStringFromStringTable(StringData sd, MemSpaceType type, bool isConstantString,
uint32_t idOffset) const
{
NewObjectHook();
uint32_t utf16Len = sd.utf16_length;
if (UNLIKELY(utf16Len == 0)) {
return *GetEmptyString();
}
bool canBeCompressed = sd.is_ascii;
const uint8_t *mutf8Data = sd.data;
if (canBeCompressed) {
// This branch will use constant string, which has a pointer at the string in the pandafile.
return vm_->GetEcmaStringTable()->GetOrInternStringWithSpaceType(vm_, mutf8Data, utf16Len, true, type,
isConstantString, idOffset);
}
return vm_->GetEcmaStringTable()->GetOrInternStringWithSpaceType(vm_, mutf8Data, utf16Len, type);
}
// used in jit thread, which unsupport create jshandle
EcmaString *ObjectFactory::GetRawStringFromStringTableWithoutJSHandle(StringData sd, MemSpaceType type,
bool isConstantString, uint32_t idOffset) const
{
NewObjectHook();
uint32_t utf16Len = sd.utf16_length;
if (UNLIKELY(utf16Len == 0)) {
return *GetEmptyString();
}
bool canBeCompressed = sd.is_ascii;
const uint8_t *mutf8Data = sd.data;
if (canBeCompressed) {
// This branch will use constant string, which has a pointer at the string in the pandafile.
return vm_->GetEcmaStringTable()->GetOrInternStringWithSpaceType(vm_, mutf8Data, utf16Len, true, type,
isConstantString, idOffset);
}
return vm_->GetEcmaStringTable()->GetOrInternStringWithSpaceTypeWithoutJSHandle(vm_, mutf8Data, utf16Len, type);
}
JSHandle<PropertyBox> ObjectFactory::NewPropertyBox(const JSHandle<JSTaggedValue> &value)
{
NewObjectHook();
TaggedObject *header = heap_->AllocateYoungOrHugeObject(
JSHClass::Cast(thread_->GlobalConstants()->GetPropertyBoxClass().GetTaggedObject()));
JSHandle<PropertyBox> box(thread_, header);
box->SetValue(thread_, value);
return box;
}
JSHandle<ProtoChangeMarker> ObjectFactory::NewProtoChangeMarker()
{
NewObjectHook();
TaggedObject *header = heap_->AllocateYoungOrHugeObject(
JSHClass::Cast(thread_->GlobalConstants()->GetProtoChangeMarkerClass().GetTaggedObject()));
JSHandle<ProtoChangeMarker> marker(thread_, header);
marker->ClearBitField();
return marker;
}
JSHandle<MarkerCell> ObjectFactory::NewMarkerCell()
{
NewObjectHook();
TaggedObject *header = heap_->AllocateYoungOrHugeObject(
JSHClass::Cast(thread_->GlobalConstants()->GetMarkerCellClass().GetTaggedObject()));
JSHandle<MarkerCell> marker(thread_, header);
marker->ClearBitField();
return marker;
}
JSHandle<ProtoChangeDetails> ObjectFactory::NewProtoChangeDetails()
{
NewObjectHook();
TaggedObject *header = heap_->AllocateYoungOrHugeObject(
JSHClass::Cast(thread_->GlobalConstants()->GetProtoChangeDetailsClass().GetTaggedObject()));
JSHandle<ProtoChangeDetails> protoInfo(thread_, header);
protoInfo->SetChangeListener(thread_, JSTaggedValue::Undefined());
protoInfo->SetRegisterIndex(ProtoChangeDetails::UNREGISTERED);
return protoInfo;
}
JSHandle<ProfileTypeInfo> ObjectFactory::NewProfileTypeInfo(uint32_t icSlotSize)
{
NewObjectHook();
size_t size = ProfileTypeInfo::ComputeSize(icSlotSize);
auto header = heap_->AllocateYoungOrHugeObject(
JSHClass::Cast(thread_->GlobalConstants()->GetProfileTypeInfoClass().GetTaggedObject()), size);
JSHandle<ProfileTypeInfo> array(thread_, header);
array->InitializeWithSpecialValue(JSTaggedValue::Undefined(), icSlotSize);
if (vm_->IsEnableFastJit()) {
uint16_t threshold = vm_->GetJSOptions().GetJitHotnessThreshold();
ASSERT(threshold != ProfileTypeInfo::JIT_DISABLE_FLAG);
array->SetJitHotnessThreshold(threshold);
threshold = vm_->GetJSOptions().GetOsrHotnessThreshold();
array->SetOsrHotnessThreshold(threshold);
uint8_t jitCallThreshold = vm_->GetJSOptions().GetJitCallThreshold();
array->SetJitCallThreshold(jitCallThreshold);
}
if (vm_->IsEnableBaselineJit()) {
uint16_t threshold = vm_->GetJSOptions().GetBaselineJitHotnessThreshold();
array->SetBaselineJitHotnessThreshold(threshold);
}
return array;
}
JSHandle<BigInt> ObjectFactory::NewBigInt(uint32_t length)
{
NewObjectHook();
ASSERT(length > 0);
size_t size = BigInt::ComputeSize(length);
auto header = sHeap_->AllocateNonMovableOrHugeObject(thread_,
JSHClass::Cast(thread_->GlobalConstants()->GetBigIntClass().GetTaggedObject()), size);
JSHandle<BigInt> bigint(thread_, header);
bigint->SetLength(length);
bigint->SetSign(false);
bigint->InitializationZero();
return bigint;
}
// static
void ObjectFactory::NewObjectHook() const
{
CHECK_NO_HEAP_ALLOC;
#ifndef NDEBUG
if (vm_->GetJSOptions().EnableForceGC() && vm_->IsInitialized() && thread_->IsAllContextsInitialized() &&
!heap_->InSensitiveStatus() && heap_->TriggerCollectionOnNewObjectEnabled()) {
if (vm_->GetJSOptions().ForceFullGC()) {
vm_->CollectGarbage(TriggerGCType::YOUNG_GC);
vm_->CollectGarbage(TriggerGCType::OLD_GC);
vm_->CollectGarbage(TriggerGCType::FULL_GC);
} else {
vm_->CollectGarbage(TriggerGCType::YOUNG_GC);
vm_->CollectGarbage(TriggerGCType::OLD_GC);
}
}
#endif
}
JSHandle<TaggedQueue> ObjectFactory::NewTaggedQueue(uint32_t length)
{
uint32_t queueLength = TaggedQueue::QueueToArrayIndex(length);
auto queue = JSHandle<TaggedQueue>::Cast(NewTaggedArray(queueLength, JSTaggedValue::Hole()));
queue->SetStart(thread_, JSTaggedValue(0)); // equal to 0 when add 1.
queue->SetEnd(thread_, JSTaggedValue(0));
queue->SetCapacity(thread_, JSTaggedValue(length));
return queue;
}
JSHandle<TaggedQueue> ObjectFactory::GetEmptyTaggedQueue() const
{
return JSHandle<TaggedQueue>(thread_->GlobalConstants()->GetHandledEmptyTaggedQueue());
}
JSHandle<JSSharedSetIterator> ObjectFactory::NewJSSetIterator(const JSHandle<JSSharedSet> &set, IterationKind kind)
{
JSHandle<GlobalEnv> env = vm_->GetGlobalEnv();
JSHandle<JSTaggedValue> protoValue = env->GetSharedSetIteratorPrototype();
const GlobalEnvConstants *globalConst = thread_->GlobalConstants();
JSHandle<JSHClass> hclassHandle(globalConst->GetHandledJSSharedSetIteratorClass());
hclassHandle->SetPrototype(thread_, protoValue);
JSHandle<JSSharedSetIterator> iter(NewJSObject(hclassHandle));
iter->GetJSHClass()->SetExtensible(true);
iter->SetIteratedSet(thread_, set.GetTaggedValue());
iter->SetNextIndex(0);
iter->SetIterationKind(kind);
ASSERT(iter.GetTaggedValue().IsJSSharedSetIterator());
return iter;
}
JSHandle<JSSetIterator> ObjectFactory::NewJSSetIterator(const JSHandle<JSSet> &set, IterationKind kind)
{
JSHandle<GlobalEnv> env = vm_->GetGlobalEnv();
JSHandle<JSTaggedValue> protoValue = env->GetSetIteratorPrototype();
const GlobalEnvConstants *globalConst = thread_->GlobalConstants();
JSHandle<JSHClass> hclassHandle(globalConst->GetHandledJSSetIteratorClass());
hclassHandle->SetPrototype(thread_, protoValue);
JSHandle<JSSetIterator> iter(NewJSObject(hclassHandle));
iter->GetJSHClass()->SetExtensible(true);
iter->SetIteratedSet(thread_, set->GetLinkedSet());
iter->SetNextIndex(0);
iter->SetIterationKind(kind);
return iter;
}
JSHandle<JSRegExpIterator> ObjectFactory::NewJSRegExpIterator(const JSHandle<JSTaggedValue> &matcher,
const JSHandle<EcmaString> &inputStr, bool global,
bool fullUnicode)
{
JSHandle<GlobalEnv> env = vm_->GetGlobalEnv();
JSHandle<JSTaggedValue> protoValue = env->GetRegExpIteratorPrototype();
const GlobalEnvConstants *globalConst = thread_->GlobalConstants();
JSHandle<JSHClass> hclassHandle(globalConst->GetHandledJSRegExpIteratorClass());
hclassHandle->SetPrototype(thread_, protoValue);
JSHandle<JSRegExpIterator> iter(NewJSObject(hclassHandle));
iter->GetJSHClass()->SetExtensible(true);
iter->SetIteratingRegExp(thread_, matcher.GetTaggedValue());
iter->SetIteratedString(thread_, inputStr.GetTaggedValue());
iter->SetGlobal(global);
iter->SetUnicode(fullUnicode);
iter->SetDone(false);
return iter;
}
JSHandle<JSMapIterator> ObjectFactory::NewJSMapIterator(const JSHandle<JSMap> &map, IterationKind kind)
{
JSHandle<GlobalEnv> env = vm_->GetGlobalEnv();
JSHandle<JSTaggedValue> protoValue = env->GetMapIteratorPrototype();
const GlobalEnvConstants *globalConst = thread_->GlobalConstants();
JSHandle<JSHClass> hclassHandle(globalConst->GetHandledJSMapIteratorClass());
hclassHandle->SetPrototype(thread_, protoValue);
JSHandle<JSMapIterator> iter(NewJSObject(hclassHandle));
iter->GetJSHClass()->SetExtensible(true);
iter->SetIteratedMap(thread_, map->GetLinkedMap());
iter->SetNextIndex(0);
iter->SetIterationKind(kind);
return iter;
}
JSHandle<JSSharedMapIterator> ObjectFactory::NewJSMapIterator(const JSHandle<JSSharedMap> &map, IterationKind kind)
{
JSHandle<GlobalEnv> env = vm_->GetGlobalEnv();
JSHandle<JSTaggedValue> protoValue = env->GetSharedMapIteratorPrototype();
const GlobalEnvConstants *globalConst = thread_->GlobalConstants();
JSHandle<JSHClass> hclassHandle(globalConst->GetHandledJSSharedMapIteratorClass());
hclassHandle->SetPrototype(thread_, protoValue);
JSHandle<JSSharedMapIterator> iter(NewJSObject(hclassHandle));
iter->GetJSHClass()->SetExtensible(true);
iter->SetIteratedMap(thread_, map.GetTaggedValue());
iter->SetNextIndex(0);
iter->SetIterationKind(kind);
ASSERT(iter.GetTaggedValue().IsJSSharedMapIterator());
return iter;
}
JSHandle<JSAPIHashMapIterator> ObjectFactory::NewJSAPIHashMapIterator(const JSHandle<JSAPIHashMap> &hashMap,
IterationKind kind)
{
NewObjectHook();
const GlobalEnvConstants *globalConst = thread_->GlobalConstants();
JSHandle<JSTaggedValue> undefinedHandle = globalConst->GetHandledUndefined();
JSHandle<JSTaggedValue> proto(thread_, globalConst->GetHashMapIteratorPrototype());
JSHandle<JSHClass> hclassHandle(globalConst->GetHandledJSAPIHashMapIteratorClass());
hclassHandle->SetPrototype(thread_, proto);
JSHandle<JSAPIHashMapIterator> iter(NewJSObject(hclassHandle));
iter->GetJSHClass()->SetExtensible(true);
iter->SetCurrentNodeResult(thread_, undefinedHandle);
iter->SetIteratedHashMap(thread_, hashMap);
iter->SetNextIndex(0);
iter->SetTaggedQueue(thread_, JSTaggedValue::Undefined());
JSHandle<TaggedQueue> queue = NewTaggedQueue(0);
iter->SetTaggedQueue(thread_, queue);
iter->SetIterationKind(kind);
return iter;
}
JSHandle<JSAPIHashSetIterator> ObjectFactory::NewJSAPIHashSetIterator(const JSHandle<JSAPIHashSet> &hashSet,
IterationKind kind)
{
NewObjectHook();
const GlobalEnvConstants *globalConst = thread_->GlobalConstants();
JSHandle<JSTaggedValue> undefinedHandle = globalConst->GetHandledUndefined();
JSHandle<JSTaggedValue> proto(thread_, globalConst->GetHashSetIteratorPrototype());
JSHandle<JSHClass> hclassHandle(globalConst->GetHandledJSAPIHashSetIteratorClass());
hclassHandle->SetPrototype(thread_, proto);
JSHandle<JSAPIHashSetIterator> iter(NewJSObject(hclassHandle));
iter->GetJSHClass()->SetExtensible(true);
iter->SetCurrentNodeResult(thread_, undefinedHandle);
iter->SetIteratedHashSet(thread_, hashSet);
iter->SetNextIndex(0);
iter->SetTableIndex(0);
iter->SetTaggedQueue(thread_, JSTaggedValue::Undefined());
JSHandle<TaggedQueue> queue = NewTaggedQueue(0);
iter->SetTaggedQueue(thread_, queue);
iter->SetIterationKind(kind);
return iter;
}
JSHandle<JSArrayIterator> ObjectFactory::NewJSArrayIterator(const JSHandle<JSObject> &array, IterationKind kind)
{
JSHandle<GlobalEnv> env = vm_->GetGlobalEnv();
JSHandle<JSTaggedValue> protoValue = env->GetArrayIteratorPrototype();
const GlobalEnvConstants *globalConst = thread_->GlobalConstants();
JSHandle<JSHClass> hclassHandle(globalConst->GetHandledJSArrayIteratorClass());
hclassHandle->SetPrototype(thread_, protoValue);
JSHandle<JSArrayIterator> iter(NewJSObject(hclassHandle));
iter->GetJSHClass()->SetExtensible(true);
iter->SetIteratedArray(thread_, array);
iter->SetNextIndex(0);
iter->SetIterationKind(kind);
return iter;
}
JSHandle<JSSharedArrayIterator> ObjectFactory::NewJSSharedArrayIterator(const JSHandle<JSObject> &array,
IterationKind kind)
{
JSHandle<GlobalEnv> env = vm_->GetGlobalEnv();
JSHandle<JSTaggedValue> protoValue = env->GetSharedArrayIteratorPrototype();
const GlobalEnvConstants *globalConst = thread_->GlobalConstants();
JSHandle<JSHClass> hclassHandle(globalConst->GetHandledJSSharedArrayIteratorClass());
hclassHandle->SetPrototype(thread_, protoValue);
JSHandle<JSSharedArrayIterator> iter(NewJSObject(hclassHandle));
iter->GetJSHClass()->SetExtensible(true);
iter->SetIteratedArray(thread_, array);
iter->SetNextIndex(0);
iter->SetIterationKind(kind);
return iter;
}
JSHandle<JSPromiseReactionsFunction> ObjectFactory::CreateJSPromiseReactionsFunction(MethodIndex idx)
{
JSHandle<GlobalEnv> env = vm_->GetGlobalEnv();
JSHandle<JSHClass> hclass = JSHandle<JSHClass>::Cast(env->GetPromiseReactionFunctionClass());
JSHandle<JSPromiseReactionsFunction> reactionsFunction =
JSHandle<JSPromiseReactionsFunction>::Cast(NewJSObject(hclass));
reactionsFunction->SetPromise(thread_, JSTaggedValue::Hole());
reactionsFunction->SetAlreadyResolved(thread_, JSTaggedValue::Hole());
JSHandle<JSFunction> function = JSHandle<JSFunction>::Cast(reactionsFunction);
JSFunction::InitializeJSFunction(thread_, function);
reactionsFunction->SetMethod(thread_, vm_->GetMethodByIndex(idx));
JSFunction::SetFunctionLength(thread_, function, JSTaggedValue(1));
return reactionsFunction;
}
JSHandle<JSPromiseExecutorFunction> ObjectFactory::CreateJSPromiseExecutorFunction()
{
JSHandle<GlobalEnv> env = vm_->GetGlobalEnv();
JSHandle<JSHClass> hclass = JSHandle<JSHClass>::Cast(env->GetPromiseExecutorFunctionClass());
JSHandle<JSPromiseExecutorFunction> executorFunction =
JSHandle<JSPromiseExecutorFunction>::Cast(NewJSObject(hclass));
executorFunction->SetCapability(thread_, JSTaggedValue::Undefined());
JSHandle<JSFunction> function = JSHandle<JSFunction>::Cast(executorFunction);
JSFunction::InitializeJSFunction(thread_, function);
executorFunction->SetMethod(
thread_, vm_->GetMethodByIndex(MethodIndex::BUILTINS_PROMISE_HANDLER_EXECUTOR));
JSFunction::SetFunctionLength(thread_, function, JSTaggedValue(FunctionLength::TWO));
return executorFunction;
}
JSHandle<JSAsyncModuleFulfilledFunction> ObjectFactory::CreateJSAsyncModuleFulfilledFunction()
{
JSHandle<GlobalEnv> env = vm_->GetGlobalEnv();
JSHandle<JSHClass> hclass = JSHandle<JSHClass>::Cast(env->GetAsyncModuleFulfilledFunctionClass());
JSHandle<JSAsyncModuleFulfilledFunction> fulfilledFunction =
JSHandle<JSAsyncModuleFulfilledFunction>::Cast(NewJSObject(hclass));
fulfilledFunction->SetModule(thread_, JSTaggedValue::Undefined());
JSHandle<JSFunction> function = JSHandle<JSFunction>::Cast(fulfilledFunction);
JSFunction::InitializeJSFunction(thread_, function);
fulfilledFunction->SetMethod(
thread_, vm_->GetMethodByIndex(MethodIndex::BUILTINS_ASYNC_MODULE_FULFILLED_FUNCTION));
JSFunction::SetFunctionLength(thread_, function, JSTaggedValue(FunctionLength::ONE));
return fulfilledFunction;
}
JSHandle<JSAsyncModuleRejectedFunction> ObjectFactory::CreateJSAsyncModuleRejectedFunction()
{
JSHandle<GlobalEnv> env = vm_->GetGlobalEnv();
JSHandle<JSHClass> hclass = JSHandle<JSHClass>::Cast(env->GetAsyncModuleRejectedFunctionClass());
JSHandle<JSAsyncModuleRejectedFunction> rejectedFunction =
JSHandle<JSAsyncModuleRejectedFunction>::Cast(NewJSObject(hclass));
rejectedFunction->SetModule(thread_, JSTaggedValue::Undefined());
JSHandle<JSFunction> function = JSHandle<JSFunction>::Cast(rejectedFunction);
JSFunction::InitializeJSFunction(thread_, function);
rejectedFunction->SetMethod(
thread_, vm_->GetMethodByIndex(MethodIndex::BUILTINS_ASYNC_MODULE_REJECTED_FUNCTION));
JSFunction::SetFunctionLength(thread_, function, JSTaggedValue(FunctionLength::ONE));
return rejectedFunction;
}
JSHandle<JSPromiseAllResolveElementFunction> ObjectFactory::NewJSPromiseAllResolveElementFunction()
{
JSHandle<GlobalEnv> env = vm_->GetGlobalEnv();
JSHandle<JSHClass> hclass = JSHandle<JSHClass>::Cast(env->GetPromiseAllResolveElementFunctionClass());
JSHandle<JSPromiseAllResolveElementFunction> function =
JSHandle<JSPromiseAllResolveElementFunction>::Cast(NewJSObject(hclass));
JSFunction::InitializeJSFunction(thread_, JSHandle<JSFunction>::Cast(function));
function->SetMethod(
thread_, vm_->GetMethodByIndex(MethodIndex::BUILTINS_PROMISE_HANDLER_RESOLVE_ELEMENT_FUNCTION));
function->SetIndex(thread_, JSTaggedValue::Undefined());
function->SetValues(thread_, JSTaggedValue::Undefined());
function->SetCapabilities(thread_, JSTaggedValue::Undefined());
function->SetRemainingElements(thread_, JSTaggedValue::Undefined());
function->SetAlreadyCalled(thread_, JSTaggedValue::Undefined());
JSFunction::SetFunctionLength(thread_, JSHandle<JSFunction>::Cast(function), JSTaggedValue(1));
return function;
}
JSHandle<JSPromiseAnyRejectElementFunction> ObjectFactory::NewJSPromiseAnyRejectElementFunction()
{
JSHandle<GlobalEnv> env = vm_->GetGlobalEnv();
JSHandle<JSHClass> hclass = JSHandle<JSHClass>::Cast(env->GetPromiseAnyRejectElementFunctionClass());
JSHandle<JSPromiseAnyRejectElementFunction> function =
JSHandle<JSPromiseAnyRejectElementFunction>::Cast(NewJSObject(hclass));
JSFunction::InitializeJSFunction(thread_, JSHandle<JSFunction>::Cast(function));
function->SetMethod(
thread_, vm_->GetMethodByIndex(MethodIndex::BUILTINS_PROMISE_HANDLER_ANY_REJECT_ELEMENT_FUNCTION));
function->SetIndex(0);
function->SetErrors(thread_, JSTaggedValue::Undefined());
function->SetCapability(thread_, JSTaggedValue::Undefined());
function->SetRemainingElements(thread_, JSTaggedValue::Undefined());
function->SetAlreadyCalled(thread_, JSTaggedValue::Undefined());
JSFunction::SetFunctionLength(thread_, JSHandle<JSFunction>::Cast(function), JSTaggedValue(1));
return function;
}
JSHandle<JSPromiseAllSettledElementFunction> ObjectFactory::NewJSPromiseAllSettledResolveElementFunction()
{
JSHandle<GlobalEnv> env = vm_->GetGlobalEnv();
JSHandle<JSHClass> hclass = JSHandle<JSHClass>::Cast(env->GetPromiseAllSettledElementFunctionClass());
JSHandle<JSPromiseAllSettledElementFunction> function =
JSHandle<JSPromiseAllSettledElementFunction>::Cast(NewJSObject(hclass));
JSFunction::InitializeJSFunction(thread_, JSHandle<JSFunction>::Cast(function));
function->SetMethod(thread_,
vm_->GetMethodByIndex(MethodIndex::BUILTINS_PROMISE_HANDLER_ALL_SETTLED_RESOLVE_ELEMENT_FUNCTION));
function->SetIndex(0);
function->SetValues(thread_, JSTaggedValue::Undefined());
function->SetCapability(thread_, JSTaggedValue::Undefined());
function->SetRemainingElements(thread_, JSTaggedValue::Undefined());
function->SetAlreadyCalled(thread_, JSTaggedValue::Undefined());
JSFunction::SetFunctionLength(thread_, JSHandle<JSFunction>::Cast(function), JSTaggedValue(1));
return function;
}
JSHandle<JSPromiseAllSettledElementFunction> ObjectFactory::NewJSPromiseAllSettledRejectElementFunction()
{
JSHandle<GlobalEnv> env = vm_->GetGlobalEnv();
JSHandle<JSHClass> hclass = JSHandle<JSHClass>::Cast(env->GetPromiseAllSettledElementFunctionClass());
JSHandle<JSPromiseAllSettledElementFunction> function =
JSHandle<JSPromiseAllSettledElementFunction>::Cast(NewJSObject(hclass));
JSFunction::InitializeJSFunction(thread_, JSHandle<JSFunction>::Cast(function));
function->SetMethod(thread_,
vm_->GetMethodByIndex(MethodIndex::BUILTINS_PROMISE_HANDLER_ALL_SETTLED_REJECT_ELEMENT_FUNCTION));
function->SetIndex(0);
function->SetValues(thread_, JSTaggedValue::Undefined());
function->SetCapability(thread_, JSTaggedValue::Undefined());
function->SetRemainingElements(thread_, JSTaggedValue::Undefined());
function->SetAlreadyCalled(thread_, JSTaggedValue::Undefined());
JSFunction::SetFunctionLength(thread_, JSHandle<JSFunction>::Cast(function), JSTaggedValue(1));
return function;
}
JSHandle<JSPromiseFinallyFunction> ObjectFactory::NewJSPromiseThenFinallyFunction()
{
JSHandle<GlobalEnv> env = vm_->GetGlobalEnv();
JSHandle<JSHClass> hclass = JSHandle<JSHClass>::Cast(env->GetPromiseFinallyFunctionClass());
JSHandle<JSPromiseFinallyFunction> function =
JSHandle<JSPromiseFinallyFunction>::Cast(NewJSObject(hclass));
JSFunction::InitializeJSFunction(thread_, JSHandle<JSFunction>::Cast(function));
function->SetMethod(thread_, vm_->GetMethodByIndex(MethodIndex::BUILTINS_PROMISE_HANDLER_THEN_FINALLY_FUNCTION));
function->SetConstructor(thread_, JSTaggedValue::Undefined());
function->SetOnFinally(thread_, JSTaggedValue::Undefined());
JSFunction::SetFunctionLength(thread_, JSHandle<JSFunction>::Cast(function), JSTaggedValue(1));
return function;
}
JSHandle<JSPromiseFinallyFunction> ObjectFactory::NewJSPromiseCatchFinallyFunction()
{
JSHandle<GlobalEnv> env = vm_->GetGlobalEnv();
JSHandle<JSHClass> hclass = JSHandle<JSHClass>::Cast(env->GetPromiseFinallyFunctionClass());
JSHandle<JSPromiseFinallyFunction> function =
JSHandle<JSPromiseFinallyFunction>::Cast(NewJSObject(hclass));
JSFunction::InitializeJSFunction(thread_, JSHandle<JSFunction>::Cast(function));
function->SetMethod(thread_, vm_->GetMethodByIndex(MethodIndex::BUILTINS_PROMISE_HANDLER_CATCH_FINALLY_FUNCTION));
function->SetConstructor(thread_, JSTaggedValue::Undefined());
function->SetOnFinally(thread_, JSTaggedValue::Undefined());
JSFunction::SetFunctionLength(thread_, JSHandle<JSFunction>::Cast(function), JSTaggedValue(1));
return function;
}
JSHandle<JSAsyncGeneratorResNextRetProRstFtn> ObjectFactory::NewJSAsyGenResNextRetProRstFulfilledFtn()
{
JSHandle<GlobalEnv> env = vm_->GetGlobalEnv();
JSHandle<JSHClass> hclass = JSHandle<JSHClass>::Cast(
env->GetAsyncGeneratorResNextRetProRstFtnClass());
JSHandle<JSAsyncGeneratorResNextRetProRstFtn> function =
JSHandle<JSAsyncGeneratorResNextRetProRstFtn>::Cast(NewJSObject(hclass));
JSFunction::InitializeJSFunction(thread_, JSHandle<JSFunction>::Cast(function));
function->SetMethod(thread_, vm_->GetMethodByIndex(MethodIndex::BUILTINS_ASYNC_GENERATOR_NEXT_FULFILLED_FUNCTION));
function->SetAsyncGeneratorObject(thread_, JSTaggedValue::Undefined());
JSFunction::SetFunctionLength(thread_, JSHandle<JSFunction>::Cast(function), JSTaggedValue(1));
return function;
}
JSHandle<JSAsyncFromSyncIterUnwarpFunction> ObjectFactory::NewJSAsyncFromSyncIterUnwarpFunction()
{
JSHandle<GlobalEnv> env = vm_->GetGlobalEnv();
JSHandle<JSHClass> hclass = JSHandle<JSHClass>::Cast(env->GetAsyncFromSyncIterUnwarpClass());
JSHandle<JSAsyncFromSyncIterUnwarpFunction> function =
JSHandle<JSAsyncFromSyncIterUnwarpFunction>::Cast(NewJSObject(hclass));
JSFunction::InitializeJSFunction(thread_, JSHandle<JSFunction>::Cast(function));
JSTaggedValue debugVaule = vm_->GetMethodByIndex(MethodIndex::BUILTINS_ASYNC_FROM_SYNC_ITERATOR_FUNCTION);
function->SetMethod(thread_, debugVaule);
function->SetDone(thread_, JSTaggedValue::Undefined());
JSFunction::SetFunctionLength(thread_, JSHandle<JSFunction>::Cast(function), JSTaggedValue(1));
return function;
}
JSHandle<JSAsyncGeneratorResNextRetProRstFtn> ObjectFactory::NewJSAsyGenResNextRetProRstRejectedFtn()
{
JSHandle<GlobalEnv> env = vm_->GetGlobalEnv();
JSHandle<JSHClass> hclass = JSHandle<JSHClass>::Cast(
env->GetAsyncGeneratorResNextRetProRstFtnClass());
JSHandle<JSAsyncGeneratorResNextRetProRstFtn> function =
JSHandle<JSAsyncGeneratorResNextRetProRstFtn>::Cast(NewJSObject(hclass));
JSFunction::InitializeJSFunction(thread_, JSHandle<JSFunction>::Cast(function));
function->SetMethod(thread_, vm_->GetMethodByIndex(MethodIndex::BUILTINS_ASYNC_GENERATOR_NEXT_REJECTED_FUNCTION));
function->SetAsyncGeneratorObject(thread_, JSTaggedValue::Undefined());
JSFunction::SetFunctionLength(thread_, JSHandle<JSFunction>::Cast(function), JSTaggedValue(1));
return function;
}
JSHandle<JSPromiseValueThunkOrThrowerFunction> ObjectFactory::NewJSPromiseValueThunkFunction()
{
JSHandle<GlobalEnv> env = vm_->GetGlobalEnv();
JSHandle<JSHClass> hclass = JSHandle<JSHClass>::Cast(env->GetPromiseValueThunkOrThrowerFunctionClass());
JSHandle<JSPromiseValueThunkOrThrowerFunction> function =
JSHandle<JSPromiseValueThunkOrThrowerFunction>::Cast(NewJSObject(hclass));
JSFunction::InitializeJSFunction(thread_, JSHandle<JSFunction>::Cast(function));
function->SetMethod(thread_, vm_->GetMethodByIndex(MethodIndex::BUILTINS_PROMISE_HANDLER_VALUE_THUNK_FUNCTION));
function->SetResult(thread_, JSTaggedValue::Undefined());
JSFunction::SetFunctionLength(thread_, JSHandle<JSFunction>::Cast(function), JSTaggedValue(0));
return function;
}
JSHandle<JSPromiseValueThunkOrThrowerFunction> ObjectFactory::NewJSPromiseThrowerFunction()
{
JSHandle<GlobalEnv> env = vm_->GetGlobalEnv();
JSHandle<JSHClass> hclass = JSHandle<JSHClass>::Cast(env->GetPromiseValueThunkOrThrowerFunctionClass());
JSHandle<JSPromiseValueThunkOrThrowerFunction> function =
JSHandle<JSPromiseValueThunkOrThrowerFunction>::Cast(NewJSObject(hclass));
JSFunction::InitializeJSFunction(thread_, JSHandle<JSFunction>::Cast(function));
function->SetMethod(thread_, vm_->GetMethodByIndex(MethodIndex::BUILTINS_PROMISE_HANDLER_THROWER_FUNCTION));
function->SetResult(thread_, JSTaggedValue::Undefined());
JSFunction::SetFunctionLength(thread_, JSHandle<JSFunction>::Cast(function), JSTaggedValue(0));
return function;
}
EcmaString *ObjectFactory::InternString(const JSHandle<JSTaggedValue> &key)
{
EcmaString *str = EcmaString::Cast(key->GetTaggedObject());
if (EcmaStringAccessor(str).IsInternString()) {
return str;
}
EcmaStringTable *stringTable = vm_->GetEcmaStringTable();
return stringTable->GetOrInternString(vm_, str);
}
JSHandle<TransitionHandler> ObjectFactory::NewTransitionHandler()
{
NewObjectHook();
TransitionHandler *handler =
TransitionHandler::Cast(heap_->AllocateYoungOrHugeObject(
JSHClass::Cast(thread_->GlobalConstants()->GetTransitionHandlerClass().GetTaggedObject())));
handler->SetHandlerInfo(thread_, JSTaggedValue::Undefined());
handler->SetTransitionHClass(thread_, JSTaggedValue::Undefined());
return JSHandle<TransitionHandler>(thread_, handler);
}
JSHandle<PrototypeHandler> ObjectFactory::NewPrototypeHandler()
{
NewObjectHook();
PrototypeHandler *header =
PrototypeHandler::Cast(heap_->AllocateYoungOrHugeObject(
JSHClass::Cast(thread_->GlobalConstants()->GetPrototypeHandlerClass().GetTaggedObject())));
JSHandle<PrototypeHandler> handler(thread_, header);
handler->SetHandlerInfo(thread_, JSTaggedValue::Undefined());
handler->SetProtoCell(thread_, JSTaggedValue::Undefined());
handler->SetHolder(thread_, JSTaggedValue::Undefined());
handler->SetAccessorJSFunction(thread_, JSTaggedValue::Undefined());
handler->SetAccessorMethodId(0);
return handler;
}
JSHandle<TransWithProtoHandler> ObjectFactory::NewTransWithProtoHandler()
{
NewObjectHook();
TransWithProtoHandler *header =
TransWithProtoHandler::Cast(heap_->AllocateYoungOrHugeObject(
JSHClass::Cast(thread_->GlobalConstants()->GetTransWithProtoHandlerClass().GetTaggedObject())));
JSHandle<TransWithProtoHandler> handler(thread_, header);
handler->SetHandlerInfo(thread_, JSTaggedValue::Undefined());
handler->SetProtoCell(thread_, JSTaggedValue::Undefined());
handler->SetTransitionHClass(thread_, JSTaggedValue::Undefined());
return handler;
}
JSHandle<StoreTSHandler> ObjectFactory::NewStoreTSHandler()
{
NewObjectHook();
StoreTSHandler *header =
StoreTSHandler::Cast(heap_->AllocateYoungOrHugeObject(
JSHClass::Cast(thread_->GlobalConstants()->GetStoreTSHandlerClass().GetTaggedObject())));
JSHandle<StoreTSHandler> handler(thread_, header);
handler->SetHandlerInfo(thread_, JSTaggedValue::Undefined());
handler->SetProtoCell(thread_, JSTaggedValue::Undefined());
handler->SetHolder(thread_, JSTaggedValue::Undefined());
return handler;
}
JSHandle<PromiseRecord> ObjectFactory::NewPromiseRecord()
{
NewObjectHook();
TaggedObject *header = heap_->AllocateYoungOrHugeObject(
JSHClass::Cast(thread_->GlobalConstants()->GetPromiseRecordClass().GetTaggedObject()));
JSHandle<PromiseRecord> obj(thread_, header);
obj->SetValue(thread_, JSTaggedValue::Undefined());
return obj;
}
JSHandle<ResolvingFunctionsRecord> ObjectFactory::NewResolvingFunctionsRecord()
{
NewObjectHook();
TaggedObject *header = heap_->AllocateYoungOrHugeObject(
JSHClass::Cast(thread_->GlobalConstants()->GetPromiseResolvingFunctionsRecordClass().GetTaggedObject()));
JSHandle<ResolvingFunctionsRecord> obj(thread_, header);
obj->SetResolveFunction(thread_, JSTaggedValue::Undefined());
obj->SetRejectFunction(thread_, JSTaggedValue::Undefined());
return obj;
}
JSHandle<JSHClass> ObjectFactory::CreateObjectClass(const JSHandle<TaggedArray> &properties, size_t length)
{
JSHandle<GlobalEnv> env = vm_->GetGlobalEnv();
JSHandle<JSTaggedValue> proto = env->GetObjectFunctionPrototype();
uint32_t fieldOrder = 0;
JSMutableHandle<JSTaggedValue> key(thread_, JSTaggedValue::Undefined());
JSHandle<LayoutInfo> layoutInfoHandle = CreateLayoutInfo(length);
while (fieldOrder < length) {
key.Update(properties->Get(fieldOrder * 2)); // 2: Meaning to double
ASSERT_PRINT(JSTaggedValue::IsPropertyKey(key), "Key is not a property key");
PropertyAttributes attributes = PropertyAttributes::Default();
if (properties->Get(fieldOrder * 2 + 1).IsAccessor()) { // 2: Meaning to double
attributes.SetIsAccessor(true);
}
attributes.SetIsInlinedProps(true);
attributes.SetRepresentation(Representation::TAGGED);
attributes.SetOffset(fieldOrder);
layoutInfoHandle->AddKey(thread_, fieldOrder, key.GetTaggedValue(), attributes);
fieldOrder++;
}
ASSERT(fieldOrder <= PropertyAttributes::MAX_FAST_PROPS_CAPACITY);
JSHandle<JSHClass> objClass = NewEcmaHClass(JSObject::SIZE, JSType::JS_OBJECT, fieldOrder);
objClass->SetPrototype(thread_, proto.GetTaggedValue());
{
objClass->SetExtensible(true);
objClass->SetLayout(thread_, layoutInfoHandle);
objClass->SetNumberOfProps(fieldOrder);
}
return objClass;
}
JSHandle<JSHClass> ObjectFactory::SetLayoutInObjHClass(const JSHandle<TaggedArray> &properties, size_t length,
const JSHandle<JSHClass> &objClass)
{
JSMutableHandle<JSTaggedValue> key(thread_, JSTaggedValue::Undefined());
JSHandle<JSHClass> newObjHclass(objClass);
for (size_t fieldOffset = 0; fieldOffset < length; fieldOffset++) {
key.Update(properties->Get(fieldOffset * 2)); // 2 : pair of key and value
ASSERT_PRINT(JSTaggedValue::IsPropertyKey(key), "Key is not a property key");
PropertyAttributes attributes = PropertyAttributes::Default();
auto value = properties->Get(fieldOffset * 2 + 1);
if (value.IsAccessor()) { // 2: Meaning to double
attributes.SetIsAccessor(true);
}
attributes.SetIsInlinedProps(true);
attributes.SetRepresentation(Representation::TAGGED);
attributes.SetOffset(fieldOffset);
attributes.SetRepresentation(Representation::TAGGED);
auto rep = PropertyAttributes::TranslateToRep(value);
newObjHclass = JSHClass::SetPropertyOfObjHClass(thread_, newObjHclass, key, attributes, rep);
}
return newObjHclass;
}
bool ObjectFactory::CanObjectLiteralHClassCache(size_t length)
{
return length <= MAX_LITERAL_HCLASS_CACHE_SIZE;
}
JSHandle<JSHClass> ObjectFactory::CreateObjectLiteralRootHClass(size_t length)
{
JSHandle<GlobalEnv> env = vm_->GetGlobalEnv();
JSHandle<JSTaggedValue> proto = env->GetObjectFunctionPrototype();
JSHandle<JSHClass> hclass = NewEcmaHClass(JSObject::SIZE, JSType::JS_OBJECT, length);
hclass->SetPrototype(thread_, proto.GetTaggedValue());
{
hclass->SetNumberOfProps(0);
hclass->SetExtensible(true);
}
return hclass;
}
JSHandle<JSHClass> ObjectFactory::GetObjectLiteralRootHClass(size_t length)
{
JSHandle<GlobalEnv> env = vm_->GetGlobalEnv();
JSHandle<JSTaggedValue> maybeCache = env->GetObjectLiteralHClassCache();
if (UNLIKELY(maybeCache->IsHole())) {
JSHandle<TaggedArray> cacheArr = NewTaggedArray(MAX_LITERAL_HCLASS_CACHE_SIZE + 1);
env->SetObjectLiteralHClassCache(thread_, cacheArr.GetTaggedValue());
JSHandle<JSHClass> objHClass = CreateObjectLiteralRootHClass(length);
cacheArr->Set(thread_, length, objHClass);
return objHClass;
}
JSHandle<TaggedArray> hclassCacheArr = JSHandle<TaggedArray>::Cast(maybeCache);
JSTaggedValue maybeHClass = hclassCacheArr->Get(length);
if (UNLIKELY(maybeHClass.IsHole())) {
JSHandle<JSHClass> objHClass = CreateObjectLiteralRootHClass(length);
hclassCacheArr->Set(thread_, length, objHClass);
return objHClass;
}
return JSHandle<JSHClass>(thread_, maybeHClass);
}
JSHandle<JSHClass> ObjectFactory::GetObjectLiteralHClass(const JSHandle<TaggedArray> &properties, size_t length)
{
ASSERT(length <= PropertyAttributes::MAX_FAST_PROPS_CAPACITY);
// 64 : If object literal gets too many properties, create hclass directly.
if (!CanObjectLiteralHClassCache(length)) {
return CreateObjectClass(properties, length);
}
JSHandle<JSHClass> rootHClass = GetObjectLiteralRootHClass(length);
return SetLayoutInObjHClass(properties, length, rootHClass);
}
JSHandle<JSObject> ObjectFactory::NewOldSpaceObjLiteralByHClass(const JSHandle<JSHClass> &hclass)
{
JSHandle<JSObject> obj = NewOldSpaceJSObject(hclass);
InitializeJSObject(obj, hclass);
return obj;
}
JSHandle<JSObject> ObjectFactory::NewEmptyJSObject(uint32_t inlinedProps)
{
JSHandle<GlobalEnv> env = vm_->GetGlobalEnv();
JSHandle<JSFunction> builtinObj(env->GetObjectFunction());
return NewJSObjectByConstructor(builtinObj, inlinedProps);
}
JSHandle<JSObject> ObjectFactory::CreateNullJSObject()
{
const GlobalEnvConstants *globalConst = thread_->GlobalConstants();
JSHandle<JSTaggedValue> nullValue = globalConst->GetHandledNull();
return OrdinaryNewJSObjectCreate(nullValue);
}
uintptr_t ObjectFactory::NewSpaceBySnapshotAllocator(size_t size)
{
NewObjectHook();
return heap_->AllocateSnapshotSpace(size);
}
TaggedObject *ObjectFactory::NewMachineCodeObject(size_t length,
MachineCodeDesc &desc)
{
NewObjectHook();
TaggedObject *obj = heap_->AllocateMachineCodeObject(
JSHClass::Cast(thread_->GlobalConstants()->GetMachineCodeClass().GetTaggedObject()),
length + MachineCode::SIZE, &desc);
return (obj);
}
JSHandle<MachineCode> ObjectFactory::NewMachineCodeObject(size_t length,
const MachineCodeDesc &desc, JSHandle<Method> &method)
{
NewObjectHook();
TaggedObject *obj = heap_->AllocateMachineCodeObject(
JSHClass::Cast(thread_->GlobalConstants()->GetMachineCodeClass().GetTaggedObject()),
length + MachineCode::SIZE);
return SetMachineCodeObjectData(obj, length, desc, method);
}
JSHandle<MachineCode> ObjectFactory::SetMachineCodeObjectData(TaggedObject *obj, size_t length,
const MachineCodeDesc &desc, JSHandle<Method> &method)
{
MachineCode *code = MachineCode::Cast(obj);
if (code == nullptr) {
LOG_FULL(FATAL) << "machine code cast failed";
UNREACHABLE();
}
if (code->SetData(desc, method, length)) {
JSHandle<MachineCode> codeObj(thread_, code);
return codeObj;
} else {
JSHandle<MachineCode> codeObj;
return codeObj;
}
}
JSHandle<ClassInfoExtractor> ObjectFactory::NewClassInfoExtractor(JSHandle<JSTaggedValue> method)
{
NewObjectHook();
TaggedObject *header = heap_->AllocateYoungOrHugeObject(
JSHClass::Cast(thread_->GlobalConstants()->GetClassInfoExtractorHClass().GetTaggedObject()));
JSHandle<ClassInfoExtractor> obj(thread_, header);
obj->ClearBitField();
obj->SetConstructorMethod(thread_, method.GetTaggedValue());
JSHandle<TaggedArray> emptyArray = EmptyArray();
obj->SetNonStaticKeys(thread_, emptyArray, SKIP_BARRIER);
obj->SetNonStaticProperties(thread_, emptyArray, SKIP_BARRIER);
obj->SetNonStaticElements(thread_, emptyArray, SKIP_BARRIER);
obj->SetStaticKeys(thread_, emptyArray, SKIP_BARRIER);
obj->SetStaticProperties(thread_, emptyArray, SKIP_BARRIER);
obj->SetStaticElements(thread_, emptyArray, SKIP_BARRIER);
return obj;
}
// ----------------------------------- new string ----------------------------------------
JSHandle<EcmaString> ObjectFactory::NewFromASCII(std::string_view data)
{
auto utf8Data = reinterpret_cast<const uint8_t *>(data.data());
ASSERT(EcmaStringAccessor::CanBeCompressed(utf8Data, data.length()));
return GetStringFromStringTable(utf8Data, data.length(), true);
}
// At this situation, Create string directly without using a StringTable.
JSHandle<EcmaString> ObjectFactory::NewFromASCIISkippingStringTable(std::string_view data)
{
auto utf8Data = reinterpret_cast<const uint8_t *>(data.data());
ASSERT(EcmaStringAccessor::CanBeCompressed(utf8Data, data.length()));
EcmaString *str = EcmaStringAccessor::CreateFromUtf8(vm_, utf8Data, data.length(), true);
return JSHandle<EcmaString>(thread_, str);
}
JSHandle<EcmaString> ObjectFactory::NewFromASCIINonMovable(std::string_view data)
{
auto utf8Data = reinterpret_cast<const uint8_t *>(data.data());
ASSERT(EcmaStringAccessor::CanBeCompressed(utf8Data, data.length()));
return GetStringFromStringTableNonMovable(utf8Data, data.length());
}
JSHandle<EcmaString> ObjectFactory::NewFromASCIIReadOnly(std::string_view data)
{
auto utf8Data = reinterpret_cast<const uint8_t *>(data.data());
ASSERT(EcmaStringAccessor::CanBeCompressed(utf8Data, data.length()));
return GetStringFromStringTableReadOnly(utf8Data, data.length());
}
JSHandle<EcmaString> ObjectFactory::NewFromUtf8WithoutStringTable(std::string_view data)
{
auto utf8Data = reinterpret_cast<const uint8_t *>(data.data());
bool canBeCompress = EcmaStringAccessor::CanBeCompressed(utf8Data, data.length());
uint32_t utf8Len = data.length();
NewObjectHook();
if (utf8Len == 0) {
return GetEmptyString();
}
EcmaString *str =
EcmaStringAccessor::CreateFromUtf8(vm_, utf8Data, utf8Len, canBeCompress, MemSpaceType::SHARED_OLD_SPACE);
uint32_t hashCode = EcmaStringAccessor::ComputeHashcodeUtf8(utf8Data, utf8Len, canBeCompress);
str->SetMixHashcode(hashCode);
return JSHandle<EcmaString>(thread_, str);
}
JSHandle<EcmaString> ObjectFactory::NewFromUtf8(std::string_view data)
{
auto utf8Data = reinterpret_cast<const uint8_t *>(data.data());
bool canBeCompress = EcmaStringAccessor::CanBeCompressed(utf8Data, data.length());
return GetStringFromStringTable(utf8Data, data.length(), canBeCompress);
}
JSHandle<EcmaString> ObjectFactory::NewFromUtf8(std::string_view data, bool canBeCompress)
{
auto utf8Data = reinterpret_cast<const uint8_t *>(data.data());
ASSERT(canBeCompress == EcmaStringAccessor::CanBeCompressed(utf8Data, data.length()));
return GetStringFromStringTable(utf8Data, data.length(), canBeCompress);
}
JSHandle<EcmaString> ObjectFactory::NewFromUtf8ReadOnly(std::string_view data)
{
auto utf8Data = reinterpret_cast<const uint8_t *>(data.data());
bool canBeCompress = EcmaStringAccessor::CanBeCompressed(utf8Data, data.length());
return GetStringFromStringTableReadOnly(utf8Data, data.length(), canBeCompress);
}
JSHandle<EcmaString> ObjectFactory::NewFromUtf16WithoutStringTable(std::u16string_view data)
{
uint32_t utf16Len = data.length();
auto utf16Data = reinterpret_cast<const uint16_t *>(data.data());
bool canBeCompress = EcmaStringAccessor::CanBeCompressed(utf16Data, utf16Len);
NewObjectHook();
if (utf16Len == 0) {
return GetEmptyString();
}
EcmaString *str =
EcmaStringAccessor::CreateFromUtf16(vm_, utf16Data, utf16Len, canBeCompress, MemSpaceType::SHARED_OLD_SPACE);
uint32_t hashCode = EcmaStringAccessor::ComputeHashcodeUtf16(const_cast<uint16_t *>(utf16Data), utf16Len);
str->SetMixHashcode(hashCode);
return JSHandle<EcmaString>(thread_, str);
}
JSHandle<EcmaString> ObjectFactory::NewFromUtf16(std::u16string_view data)
{
uint32_t length = data.length();
auto utf16Data = reinterpret_cast<const uint16_t *>(data.data());
bool canBeCompress = EcmaStringAccessor::CanBeCompressed(utf16Data, length);
return GetStringFromStringTable(utf16Data, length, canBeCompress);
}
JSHandle<EcmaString> ObjectFactory::NewFromStdString(const std::string &data)
{
auto utf8Data = reinterpret_cast<const uint8_t *>(data.c_str());
bool canBeCompress = EcmaStringAccessor::CanBeCompressed(utf8Data, data.length());
return GetStringFromStringTable(utf8Data, data.size(), canBeCompress);
}
JSHandle<EcmaString> ObjectFactory::NewFromUtf8WithoutStringTable(const uint8_t *utf8Data, uint32_t utf8Len)
{
bool canBeCompress = EcmaStringAccessor::CanBeCompressed(utf8Data, utf8Len);
NewObjectHook();
if (utf8Len == 0) {
return GetEmptyString();
}
EcmaString *str =
EcmaStringAccessor::CreateFromUtf8(vm_, utf8Data, utf8Len, canBeCompress, MemSpaceType::SHARED_OLD_SPACE);
uint32_t hashCode = EcmaStringAccessor::ComputeHashcodeUtf8(utf8Data, utf8Len, canBeCompress);
str->SetMixHashcode(hashCode);
return JSHandle<EcmaString>(thread_, str);
}
JSHandle<EcmaString> ObjectFactory::NewFromUtf8(const uint8_t *utf8Data, uint32_t utf8Len)
{
bool canBeCompress = EcmaStringAccessor::CanBeCompressed(utf8Data, utf8Len);
return GetStringFromStringTable(utf8Data, utf8Len, canBeCompress);
}
JSHandle<EcmaString> ObjectFactory::NewFromUtf16WithoutStringTable(const uint16_t *utf16Data, uint32_t utf16Len)
{
bool canBeCompress = EcmaStringAccessor::CanBeCompressed(utf16Data, utf16Len);
NewObjectHook();
if (utf16Len == 0) {
return GetEmptyString();
}
EcmaString *str =
EcmaStringAccessor::CreateFromUtf16(vm_, utf16Data, utf16Len, canBeCompress, MemSpaceType::SHARED_OLD_SPACE);
uint32_t hashCode = EcmaStringAccessor::ComputeHashcodeUtf16(const_cast<uint16_t *>(utf16Data), utf16Len);
str->SetMixHashcode(hashCode);
return JSHandle<EcmaString>(thread_, str);
}
JSHandle<EcmaString> ObjectFactory::NewFromUtf16(const uint16_t *utf16Data, uint32_t utf16Len)
{
bool canBeCompress = EcmaStringAccessor::CanBeCompressed(utf16Data, utf16Len);
return GetStringFromStringTable(utf16Data, utf16Len, canBeCompress);
}
JSHandle<EcmaString> ObjectFactory::NewFromUtf16Compress(const uint16_t *utf16Data, uint32_t utf16Len)
{
ASSERT(EcmaStringAccessor::CanBeCompressed(utf16Data, utf16Len));
return GetStringFromStringTable(utf16Data, utf16Len, true);
}
JSHandle<EcmaString> ObjectFactory::NewFromUtf16NotCompress(const uint16_t *utf16Data, uint32_t utf16Len)
{
ASSERT(!EcmaStringAccessor::CanBeCompressed(utf16Data, utf16Len));
return GetStringFromStringTable(utf16Data, utf16Len, false);
}
JSHandle<EcmaString> ObjectFactory::NewFromUtf8Literal(const uint8_t *utf8Data, uint32_t utf8Len)
{
NewObjectHook();
bool canBeCompress = EcmaStringAccessor::CanBeCompressed(utf8Data, utf8Len);
return JSHandle<EcmaString>(thread_, EcmaStringAccessor::CreateFromUtf8(vm_, utf8Data, utf8Len, canBeCompress));
}
JSHandle<EcmaString> ObjectFactory::NewFromUtf8LiteralCompress(const uint8_t *utf8Data, uint32_t utf8Len)
{
NewObjectHook();
ASSERT(EcmaStringAccessor::CanBeCompressed(utf8Data, utf8Len));
return JSHandle<EcmaString>(thread_, EcmaStringAccessor::CreateFromUtf8(vm_, utf8Data, utf8Len, true));
}
JSHandle<EcmaString> ObjectFactory::NewFromUtf8LiteralCompressSubString(const JSHandle<EcmaString> &string,
uint32_t offset, uint32_t utf8Len)
{
NewObjectHook();
ASSERT(EcmaStringAccessor::CanBeCompressed(EcmaStringAccessor(string).GetDataUtf8() + offset, utf8Len));
return JSHandle<EcmaString>(thread_, EcmaStringAccessor::CreateFromUtf8CompressedSubString(vm_, string,
offset, utf8Len));
}
JSHandle<EcmaString> ObjectFactory::NewCompressedUtf8(const uint8_t *utf8Data, uint32_t utf8Len)
{
NewObjectHook();
ASSERT(EcmaStringAccessor::CanBeCompressed(utf8Data, utf8Len));
return GetStringFromStringTable(utf8Data, utf8Len, true);
}
JSHandle<EcmaString> ObjectFactory::NewCompressedUtf8SubString(const JSHandle<EcmaString> &string,
uint32_t offset, uint32_t utf8Len)
{
NewObjectHook();
ASSERT(EcmaStringAccessor::CanBeCompressed(EcmaStringAccessor(string).GetDataUtf8() + offset, utf8Len));
return GetCompressedSubStringFromStringTable(string, offset, utf8Len);
}
JSHandle<EcmaString> ObjectFactory::NewFromUtf16Literal(const uint16_t *utf16Data, uint32_t utf16Len)
{
NewObjectHook();
bool canBeCompress = EcmaStringAccessor::CanBeCompressed(utf16Data, utf16Len);
return JSHandle<EcmaString>(thread_, EcmaStringAccessor::CreateFromUtf16(vm_, utf16Data, utf16Len, canBeCompress));
}
JSHandle<EcmaString> ObjectFactory::NewFromUtf16LiteralCompress(const uint16_t *utf16Data, uint32_t utf16Len)
{
NewObjectHook();
ASSERT(EcmaStringAccessor::CanBeCompressed(utf16Data, utf16Len));
return JSHandle<EcmaString>(thread_, EcmaStringAccessor::CreateFromUtf16(vm_, utf16Data, utf16Len, true));
}
JSHandle<EcmaString> ObjectFactory::NewFromUtf16LiteralNotCompress(const uint16_t *utf16Data, uint32_t utf16Len)
{
NewObjectHook();
ASSERT(!EcmaStringAccessor::CanBeCompressed(utf16Data, utf16Len));
return JSHandle<EcmaString>(thread_, EcmaStringAccessor::CreateFromUtf16(vm_, utf16Data, utf16Len, false));
}
JSHandle<EcmaString> ObjectFactory::ConcatFromString(const JSHandle<EcmaString> &firstString,
const JSHandle<EcmaString> &secondString)
{
if (EcmaStringAccessor(firstString).GetLength() == 0) {
return secondString;
}
if (EcmaStringAccessor(secondString).GetLength() == 0) {
return firstString;
}
return GetStringFromStringTable(firstString, secondString);
}
JSHandle<EcmaString> ObjectFactory::GetStringFromStringTable(const JSHandle<EcmaString> &firstString,
const JSHandle<EcmaString> &secondString)
{
auto stringTable = vm_->GetEcmaStringTable();
return JSHandle<EcmaString>(thread_, stringTable->GetOrInternString(vm_, firstString, secondString));
}
JSHandle<JSAPIArrayList> ObjectFactory::NewJSAPIArrayList(uint32_t capacity)
{
NewObjectHook();
JSHandle<JSFunction> builtinObj(thread_, thread_->GlobalConstants()->GetArrayListFunction());
JSHandle<JSAPIArrayList> obj = JSHandle<JSAPIArrayList>(NewJSObjectByConstructor(builtinObj));
ObjectFactory *factory = thread_->GetEcmaVM()->GetFactory();
JSHandle<TaggedArray> elements = factory->NewTaggedArray(capacity);
obj->SetElements(thread_, elements);
return obj;
}
JSHandle<JSAPIArrayListIterator> ObjectFactory::NewJSAPIArrayListIterator(const JSHandle<JSAPIArrayList> &arrayList)
{
NewObjectHook();
const GlobalEnvConstants *globalConst = thread_->GlobalConstants();
JSHandle<JSTaggedValue> protoValue(thread_, globalConst->GetArrayListIteratorPrototype());
JSHandle<JSHClass> hclassHandle(globalConst->GetHandledJSAPIArrayListIteratorClass());
hclassHandle->SetPrototype(thread_, protoValue);
JSHandle<JSAPIArrayListIterator> iter(NewJSObject(hclassHandle));
iter->GetJSHClass()->SetExtensible(true);
iter->SetIteratedArrayList(thread_, arrayList);
iter->SetNextIndex(0);
return iter;
}
JSHandle<JSAPILightWeightMapIterator> ObjectFactory::NewJSAPILightWeightMapIterator(
const JSHandle<JSAPILightWeightMap> &obj, IterationKind kind)
{
NewObjectHook();
const GlobalEnvConstants *globalConst = thread_->GlobalConstants();
JSHandle<JSTaggedValue> protoValue(thread_, globalConst->GetLightWeightMapIteratorPrototype());
JSHandle<JSHClass> hclassHandle(globalConst->GetHandledJSAPILightWeightMapIteratorClass());
hclassHandle->SetPrototype(thread_, protoValue);
JSHandle<JSAPILightWeightMapIterator> iter(NewJSObject(hclassHandle));
iter->GetJSHClass()->SetExtensible(true);
iter->SetIteratedLightWeightMap(thread_, obj);
iter->SetNextIndex(0);
iter->SetIterationKind(kind);
return iter;
}
JSHandle<JSAPILightWeightSetIterator> ObjectFactory::NewJSAPILightWeightSetIterator(
const JSHandle<JSAPILightWeightSet> &obj, IterationKind kind)
{
NewObjectHook();
const GlobalEnvConstants *globalConst = thread_->GlobalConstants();
JSHandle<JSTaggedValue> protoValue(thread_, globalConst->GetLightWeightSetIteratorPrototype());
JSHandle<JSHClass> hclassHandle(globalConst->GetHandledJSAPILightWeightSetIteratorClass());
hclassHandle->SetPrototype(thread_, protoValue);
JSHandle<JSAPILightWeightSetIterator> iter(NewJSObject(hclassHandle));
iter->GetJSHClass()->SetExtensible(true);
iter->SetIteratedLightWeightSet(thread_, obj);
iter->SetNextIndex(0);
iter->SetIterationKind(kind);
return iter;
}
JSHandle<JSAPIPlainArray> ObjectFactory::NewJSAPIPlainArray(uint32_t capacity)
{
NewObjectHook();
JSHandle<JSFunction> builtinObj(thread_, thread_->GlobalConstants()->GetPlainArrayFunction());
JSHandle<JSAPIPlainArray> obj = JSHandle<JSAPIPlainArray>(NewJSObjectByConstructor(builtinObj));
ObjectFactory *factory = thread_->GetEcmaVM()->GetFactory();
JSHandle<TaggedArray> keyArray = factory->NewTaggedArray(capacity);
JSHandle<TaggedArray> valueArray = factory->NewTaggedArray(capacity);
obj->SetKeys(thread_, keyArray);
obj->SetValues(thread_, valueArray);
return obj;
}
JSHandle<JSAPIPlainArrayIterator> ObjectFactory::NewJSAPIPlainArrayIterator(const JSHandle<JSAPIPlainArray> &plainarray,
IterationKind kind)
{
NewObjectHook();
JSHandle<JSTaggedValue> protoValue(thread_, thread_->GlobalConstants()->GetPlainArrayIteratorPrototype());
const GlobalEnvConstants *globalConst = thread_->GlobalConstants();
JSHandle<JSHClass> hclassHandle(globalConst->GetHandledJSAPIPlainArrayIteratorClass());
hclassHandle->SetPrototype(thread_, protoValue);
JSHandle<JSAPIPlainArrayIterator> iter(NewJSObject(hclassHandle));
iter->GetJSHClass()->SetExtensible(true);
iter->SetIteratedPlainArray(thread_, plainarray);
iter->SetNextIndex(0);
iter->SetIterationKind(kind);
return iter;
}
JSHandle<JSAPIStackIterator> ObjectFactory::NewJSAPIStackIterator(const JSHandle<JSAPIStack> &stack)
{
NewObjectHook();
const GlobalEnvConstants *globalConst = thread_->GlobalConstants();
JSHandle<JSTaggedValue> protoValue(thread_, globalConst->GetStackIteratorPrototype());
JSHandle<JSHClass> hclassHandle(globalConst->GetHandledJSAPIStackIteratorClass());
hclassHandle->SetPrototype(thread_, protoValue);
JSHandle<JSAPIStackIterator> iter(NewJSObject(hclassHandle));
iter->GetJSHClass()->SetExtensible(true);
iter->SetIteratedStack(thread_, stack);
iter->SetNextIndex(0);
return iter;
}
JSHandle<TaggedArray> ObjectFactory::CopyDeque(const JSHandle<TaggedArray> &old, uint32_t newLength,
[[maybe_unused]] uint32_t oldLength, uint32_t first, uint32_t last)
{
NewObjectHook();
size_t size = TaggedArray::ComputeSize(JSTaggedValue::TaggedTypeSize(), newLength);
auto header = heap_->AllocateYoungOrHugeObject(
JSHClass::Cast(thread_->GlobalConstants()->GetArrayClass().GetTaggedObject()), size);
JSHandle<TaggedArray> newArray(thread_, header);
newArray->InitializeWithSpecialValue(JSTaggedValue::Hole(), newLength, old->GetExtraLength());
uint32_t curIndex = first;
// newIndex use in new TaggedArray, 0 : New TaggedArray index
uint32_t newIndex = 0;
uint32_t oldCapacity = old->GetLength();
while (curIndex != last) {
JSTaggedValue value = old->Get(curIndex);
newArray->Set(thread_, newIndex, value);
ASSERT(oldCapacity != 0);
curIndex = (curIndex + 1) % oldCapacity;
newIndex = newIndex + 1;
}
return newArray;
}
JSHandle<JSAPIDequeIterator> ObjectFactory::NewJSAPIDequeIterator(const JSHandle<JSAPIDeque> &deque)
{
NewObjectHook();
const GlobalEnvConstants *globalConst = thread_->GlobalConstants();
JSHandle<JSTaggedValue> protoValue(thread_, globalConst->GetDequeIteratorPrototype());
JSHandle<JSHClass> hclassHandle(globalConst->GetHandledJSAPIDequeIteratorClass());
hclassHandle->SetPrototype(thread_, protoValue);
JSHandle<JSAPIDequeIterator> iter(NewJSObject(hclassHandle));
iter->GetJSHClass()->SetExtensible(true);
iter->SetIteratedDeque(thread_, deque);
iter->SetNextIndex(deque->GetFirst());
return iter;
}
JSHandle<TaggedArray> ObjectFactory::CopyQueue(const JSHandle<TaggedArray> &old, uint32_t newLength,
uint32_t front, uint32_t tail)
{
NewObjectHook();
size_t size = TaggedArray::ComputeSize(JSTaggedValue::TaggedTypeSize(), newLength);
auto header = heap_->AllocateYoungOrHugeObject(
JSHClass::Cast(thread_->GlobalConstants()->GetArrayClass().GetTaggedObject()), size);
JSHandle<TaggedArray> newArray(thread_, header);
newArray->InitializeWithSpecialValue(JSTaggedValue::Hole(), newLength, old->GetExtraLength());
uint32_t curIndex = front;
// newIndex use in new TaggedArray, 0 : New TaggedArray index
uint32_t newIndex = 0;
uint32_t oldCapacity = old->GetLength();
while (curIndex != tail) {
JSTaggedValue value = old->Get(curIndex);
newArray->Set(thread_, newIndex, value);
ASSERT(oldCapacity != 0);
curIndex = (curIndex + 1) % oldCapacity;
newIndex = newIndex + 1;
}
return newArray;
}
JSHandle<JSAPIQueueIterator> ObjectFactory::NewJSAPIQueueIterator(const JSHandle<JSAPIQueue> &queue)
{
NewObjectHook();
const GlobalEnvConstants *globalConst = thread_->GlobalConstants();
JSHandle<JSTaggedValue> protoValue(thread_, globalConst->GetQueueIteratorPrototype());
JSHandle<JSHClass> hclassHandle(globalConst->GetHandledJSAPIQueueIteratorClass());
hclassHandle->SetPrototype(thread_, protoValue);
JSHandle<JSAPIQueueIterator> iter(NewJSObject(hclassHandle));
iter->GetJSHClass()->SetExtensible(true);
iter->SetIteratedQueue(thread_, queue); // IteratedQueue
iter->SetNextIndex(0);
return iter;
}
JSHandle<JSAPITreeMapIterator> ObjectFactory::NewJSAPITreeMapIterator(const JSHandle<JSAPITreeMap> &map,
IterationKind kind)
{
NewObjectHook();
const GlobalEnvConstants *globalConst = thread_->GlobalConstants();
JSHandle<JSTaggedValue> proto(thread_, globalConst->GetTreeMapIteratorPrototype());
JSHandle<JSHClass> hclassHandle(globalConst->GetHandledJSAPITreeMapIteratorClass());
hclassHandle->SetPrototype(thread_, proto);
JSHandle<JSAPITreeMapIterator> iter(NewJSObject(hclassHandle));
iter->GetJSHClass()->SetExtensible(true);
iter->SetIteratedMap(thread_, map);
iter->SetNextIndex(0);
iter->SetEntries(thread_, JSTaggedValue::Hole());
iter->SetIterationKind(kind);
return iter;
}
JSHandle<JSAPITreeSetIterator> ObjectFactory::NewJSAPITreeSetIterator(const JSHandle<JSAPITreeSet> &set,
IterationKind kind)
{
NewObjectHook();
const GlobalEnvConstants *globalConst = thread_->GlobalConstants();
JSHandle<JSTaggedValue> proto(thread_, globalConst->GetTreeSetIteratorPrototype());
JSHandle<JSHClass> hclassHandle(globalConst->GetHandledJSAPITreeSetIteratorClass());
hclassHandle->SetPrototype(thread_, proto);
JSHandle<JSAPITreeSetIterator> iter(NewJSObject(hclassHandle));
iter->GetJSHClass()->SetExtensible(true);
iter->SetIteratedSet(thread_, set);
iter->SetNextIndex(0);
iter->SetEntries(thread_, JSTaggedValue::Hole());
iter->SetIterationKind(kind);
return iter;
}
JSHandle<JSAPIVector> ObjectFactory::NewJSAPIVector(uint32_t capacity)
{
NewObjectHook();
JSHandle<JSFunction> builtinObj(thread_, thread_->GlobalConstants()->GetVectorFunction());
JSHandle<JSAPIVector> obj = JSHandle<JSAPIVector>(NewJSObjectByConstructor(builtinObj));
JSHandle<TaggedArray> newVector = NewTaggedArray(capacity);
obj->SetElements(thread_, newVector);
return obj;
}
JSHandle<JSAPIVectorIterator> ObjectFactory::NewJSAPIVectorIterator(const JSHandle<JSAPIVector> &vector)
{
NewObjectHook();
const GlobalEnvConstants *globalConst = thread_->GlobalConstants();
JSHandle<JSTaggedValue> proto(thread_, globalConst->GetVectorIteratorPrototype());
JSHandle<JSHClass> hclassHandle(globalConst->GetHandledJSAPIVectorIteratorClass());
hclassHandle->SetPrototype(thread_, proto);
JSHandle<JSAPIVectorIterator> iter(NewJSObject(hclassHandle));
iter->GetJSHClass()->SetExtensible(true);
iter->SetIteratedVector(thread_, vector);
iter->SetNextIndex(0);
return iter;
}
JSHandle<JSAPIBitVector> ObjectFactory::NewJSAPIBitVector(uint32_t capacity)
{
NewObjectHook();
JSHandle<JSFunction> builtinObj(thread_, thread_->GlobalConstants()->GetBitVectorFunction());
JSHandle<JSAPIBitVector> obj = JSHandle<JSAPIBitVector>(NewJSObjectByConstructor(builtinObj));
uint32_t taggedArrayCapacity = (capacity >> JSAPIBitVector::TAGGED_VALUE_BIT_SIZE) + 1;
auto *newBitSetVector = new std::vector<std::bitset<JSAPIBitVector::BIT_SET_LENGTH>>();
newBitSetVector->resize(taggedArrayCapacity, 0);
JSHandle<JSNativePointer> pointer = NewJSNativePointer(newBitSetVector);
obj->SetNativePointer(thread_, pointer);
return obj;
}
JSHandle<JSAPIBitVectorIterator> ObjectFactory::NewJSAPIBitVectorIterator(const JSHandle<JSAPIBitVector> &bitVector)
{
NewObjectHook();
const GlobalEnvConstants *globalConst = thread_->GlobalConstants();
JSHandle<JSTaggedValue> proto(thread_, globalConst->GetBitVectorIteratorPrototype());
JSHandle<JSHClass> hclassHandle(globalConst->GetHandledJSAPIBitVectorIteratorClass());
hclassHandle->SetPrototype(thread_, proto);
JSHandle<JSAPIBitVectorIterator> iter(NewJSObject(hclassHandle));
iter->GetJSHClass()->SetExtensible(true);
iter->SetIteratedBitVector(thread_, bitVector);
iter->SetNextIndex(0);
return iter;
}
JSHandle<JSAPILinkedListIterator> ObjectFactory::NewJSAPILinkedListIterator(const JSHandle<JSAPILinkedList> &linkedList)
{
NewObjectHook();
const GlobalEnvConstants *globalConst = thread_->GlobalConstants();
JSHandle<JSTaggedValue> proto(thread_, globalConst->GetLinkedListIteratorPrototype());
JSHandle<JSHClass> hclassHandle(globalConst->GetHandledJSAPILinkedListIteratorClass());
hclassHandle->SetPrototype(thread_, proto);
JSHandle<JSAPILinkedListIterator> iter(NewJSObject(hclassHandle));
iter->GetJSHClass()->SetExtensible(true);
iter->SetIteratedLinkedList(thread_, linkedList->GetDoubleList());
iter->SetNextIndex(0);
const uint32_t linkedListElementStartIndex = 4;
iter->SetDataIndex(linkedListElementStartIndex);
return iter;
}
JSHandle<JSAPIListIterator> ObjectFactory::NewJSAPIListIterator(const JSHandle<JSAPIList> &List)
{
NewObjectHook();
const GlobalEnvConstants *globalConst = thread_->GlobalConstants();
JSHandle<JSTaggedValue> proto(thread_, globalConst->GetListIteratorPrototype());
JSHandle<JSHClass> hclassHandle(globalConst->GetHandledJSAPIListIteratorClass());
hclassHandle->SetPrototype(thread_, proto);
JSHandle<JSAPIListIterator> iter(NewJSObject(hclassHandle));
iter->GetJSHClass()->SetExtensible(true);
iter->SetIteratedList(thread_, List->GetSingleList());
iter->SetNextIndex(0);
const uint32_t linkedListElementStartIndex = 4;
iter->SetDataIndex(linkedListElementStartIndex);
return iter;
}
JSHandle<JSAPIList> ObjectFactory::NewJSAPIList()
{
NewObjectHook();
JSHandle<JSFunction> function(thread_, thread_->GlobalConstants()->GetListFunction());
return JSHandle<JSAPIList>::Cast(NewJSObjectByConstructor(function));
}
JSHandle<JSAPILinkedList> ObjectFactory::NewJSAPILinkedList()
{
NewObjectHook();
JSHandle<JSFunction> function(thread_, thread_->GlobalConstants()->GetLinkedListFunction());
return JSHandle<JSAPILinkedList>::Cast(NewJSObjectByConstructor(function));
}
JSHandle<ImportEntry> ObjectFactory::NewImportEntry()
{
JSHandle<JSTaggedValue> defautValue = thread_->GlobalConstants()->GetHandledUndefined();
return NewImportEntry(defautValue, defautValue, defautValue, SharedTypes::UNSENDABLE_MODULE);
}
JSHandle<ImportEntry> ObjectFactory::NewImportEntry(const JSHandle<JSTaggedValue> &moduleRequest,
const JSHandle<JSTaggedValue> &importName,
const JSHandle<JSTaggedValue> &localName,
SharedTypes sharedTypes)
{
if (sharedTypes == SharedTypes::SHARED_MODULE) {
return NewSImportEntry(moduleRequest, importName, localName);
}
NewObjectHook();
TaggedObject *header = heap_->AllocateYoungOrHugeObject(
JSHClass::Cast(thread_->GlobalConstants()->GetImportEntryClass().GetTaggedObject()));
JSHandle<ImportEntry> obj(thread_, header);
obj->SetModuleRequest(thread_, moduleRequest);
obj->SetImportName(thread_, importName);
obj->SetLocalName(thread_, localName);
return obj;
}
JSHandle<LocalExportEntry> ObjectFactory::NewLocalExportEntry()
{
JSHandle<JSTaggedValue> defautValue = thread_->GlobalConstants()->GetHandledUndefined();
return NewLocalExportEntry(defautValue, defautValue, LocalExportEntry::LOCAL_DEFAULT_INDEX,
SharedTypes::UNSENDABLE_MODULE);
}
JSHandle<LocalExportEntry> ObjectFactory::NewLocalExportEntry(const JSHandle<JSTaggedValue> &exportName,
const JSHandle<JSTaggedValue> &localName, const uint32_t index, SharedTypes sharedTypes)
{
if (sharedTypes == SharedTypes::SHARED_MODULE) {
return NewSLocalExportEntry(exportName, localName, index);
}
NewObjectHook();
TaggedObject *header = heap_->AllocateYoungOrHugeObject(
JSHClass::Cast(thread_->GlobalConstants()->GetLocalExportEntryClass().GetTaggedObject()));
JSHandle<LocalExportEntry> obj(thread_, header);
obj->SetExportName(thread_, exportName);
obj->SetLocalName(thread_, localName);
obj->SetLocalIndex(index);
return obj;
}
JSHandle<IndirectExportEntry> ObjectFactory::NewIndirectExportEntry()
{
JSHandle<JSTaggedValue> defautValue = thread_->GlobalConstants()->GetHandledUndefined();
return NewIndirectExportEntry(defautValue, defautValue, defautValue, SharedTypes::UNSENDABLE_MODULE);
}
JSHandle<IndirectExportEntry> ObjectFactory::NewIndirectExportEntry(const JSHandle<JSTaggedValue> &exportName,
const JSHandle<JSTaggedValue> &moduleRequest,
const JSHandle<JSTaggedValue> &importName,
SharedTypes sharedTypes)
{
if (sharedTypes == SharedTypes::SHARED_MODULE) {
return NewSIndirectExportEntry(exportName, moduleRequest, importName);
}
NewObjectHook();
TaggedObject *header = heap_->AllocateYoungOrHugeObject(
JSHClass::Cast(thread_->GlobalConstants()->GetIndirectExportEntryClass().GetTaggedObject()));
JSHandle<IndirectExportEntry> obj(thread_, header);
obj->SetExportName(thread_, exportName);
obj->SetModuleRequest(thread_, moduleRequest);
obj->SetImportName(thread_, importName);
return obj;
}
JSHandle<StarExportEntry> ObjectFactory::NewStarExportEntry()
{
JSHandle<JSTaggedValue> defautValue = thread_->GlobalConstants()->GetHandledUndefined();
return NewStarExportEntry(defautValue, SharedTypes::UNSENDABLE_MODULE);
}
JSHandle<StarExportEntry> ObjectFactory::NewStarExportEntry(const JSHandle<JSTaggedValue> &moduleRequest,
SharedTypes sharedTypes)
{
if (sharedTypes == SharedTypes::SHARED_MODULE) {
return NewSStarExportEntry(moduleRequest);
}
NewObjectHook();
TaggedObject *header = heap_->AllocateYoungOrHugeObject(
JSHClass::Cast(thread_->GlobalConstants()->GetStarExportEntryClass().GetTaggedObject()));
JSHandle<StarExportEntry> obj(thread_, header);
obj->SetModuleRequest(thread_, moduleRequest);
return obj;
}
JSHandle<SourceTextModule> ObjectFactory::NewSourceTextModule()
{
NewObjectHook();
TaggedObject *header = heap_->AllocateYoungOrHugeObject(
JSHClass::Cast(thread_->GlobalConstants()->GetSourceTextModuleClass().GetTaggedObject()));
JSHandle<SourceTextModule> obj(thread_, header);
JSTaggedValue undefinedValue = thread_->GlobalConstants()->GetUndefined();
obj->SetEnvironment(thread_, undefinedValue);
obj->SetNamespace(thread_, undefinedValue);
obj->SetRequestedModules(thread_, undefinedValue);
obj->SetImportEntries(thread_, undefinedValue);
obj->SetLocalExportEntries(thread_, undefinedValue);
obj->SetIndirectExportEntries(thread_, undefinedValue);
obj->SetStarExportEntries(thread_, undefinedValue);
obj->SetNameDictionary(thread_, undefinedValue);
// [[CycleRoot]]: For a module not in a cycle, this would be the module itself.
obj->SetCycleRoot(thread_, obj);
obj->SetTopLevelCapability(thread_, undefinedValue);
obj->SetAsyncParentModules(thread_, undefinedValue);
obj->SetHasTLA(false);
obj->SetAsyncEvaluatingOrdinal(SourceTextModule::NOT_ASYNC_EVALUATED);
obj->SetPendingAsyncDependencies(SourceTextModule::UNDEFINED_INDEX);
obj->SetDFSIndex(SourceTextModule::UNDEFINED_INDEX);
obj->SetDFSAncestorIndex(SourceTextModule::UNDEFINED_INDEX);
obj->SetEvaluationError(SourceTextModule::UNDEFINED_INDEX);
obj->SetStatus(ModuleStatus::UNINSTANTIATED);
obj->SetTypes(ModuleTypes::UNKNOWN);
obj->SetIsNewBcVersion(false);
obj->SetRegisterCounts(UINT16_MAX);
obj->SetLazyImportStatus(ToUintPtr(nullptr));
obj->SetEcmaModuleFilename(ToUintPtr(nullptr));
obj->SetEcmaModuleRecordName(ToUintPtr(nullptr));
obj->SetSharedType(SharedTypes::UNSENDABLE_MODULE);
obj->SetSendableEnv(thread_, undefinedValue);
return obj;
}
JSHandle<ResolvedBinding> ObjectFactory::NewResolvedBindingRecord()
{
JSHandle<JSTaggedValue> undefinedValue = thread_->GlobalConstants()->GetHandledUndefined();
JSHandle<SourceTextModule> ecmaModule(undefinedValue);
JSHandle<JSTaggedValue> bindingName(undefinedValue);
return NewResolvedBindingRecord(ecmaModule, bindingName);
}
JSHandle<ResolvedBinding> ObjectFactory::NewResolvedBindingRecord(const JSHandle<SourceTextModule> &module,
const JSHandle<JSTaggedValue> &bindingName)
{
NewObjectHook();
TaggedObject *header = heap_->AllocateYoungOrHugeObject(
JSHClass::Cast(thread_->GlobalConstants()->GetResolvedBindingClass().GetTaggedObject()));
JSHandle<ResolvedBinding> obj(thread_, header);
obj->SetModule(thread_, module);
obj->SetBindingName(thread_, bindingName);
return obj;
}
JSHandle<ResolvedIndexBinding> ObjectFactory::NewResolvedIndexBindingRecord()
{
JSHandle<JSTaggedValue> undefinedValue = thread_->GlobalConstants()->GetHandledUndefined();
JSHandle<SourceTextModule> ecmaModule(undefinedValue);
int32_t index = 0;
return NewResolvedIndexBindingRecord(ecmaModule, index);
}
JSHandle<ResolvedIndexBinding> ObjectFactory::NewResolvedIndexBindingRecord(const JSHandle<SourceTextModule> &module,
int32_t index)
{
NewObjectHook();
TaggedObject *header = heap_->AllocateYoungOrHugeObject(
JSHClass::Cast(thread_->GlobalConstants()->GetResolvedIndexBindingClass().GetTaggedObject()));
JSHandle<ResolvedIndexBinding> obj(thread_, header);
obj->SetModule(thread_, module);
obj->SetIndex(index);
return obj;
}
JSHandle<CellRecord> ObjectFactory::NewCellRecord()
{
NewObjectHook();
TaggedObject *header = heap_->AllocateYoungOrHugeObject(
JSHClass::Cast(thread_->GlobalConstants()->GetCellRecordClass().GetTaggedObject()));
JSHandle<CellRecord> obj(thread_, header);
obj->SetWeakRefTarget(thread_, JSTaggedValue::Undefined());
obj->SetHeldValue(thread_, JSTaggedValue::Undefined());
return obj;
}
JSHandle<JSHClass> ObjectFactory::CreateIteratorResultInstanceClass(const JSHandle<GlobalEnv> &env)
{
auto globalConst = thread_->GlobalConstants();
JSHandle<JSTaggedValue> proto = env->GetObjectFunctionPrototype();
JSHandle<JSHClass> iterResultClass = NewEcmaHClass(JSObject::SIZE, JSType::JS_OBJECT, proto);
uint32_t fieldOrder = 0;
JSHandle<LayoutInfo> layoutInfoHandle = CreateLayoutInfo(2); // 2 means two field
{
ASSERT(JSIterator::VALUE_INLINE_PROPERTY_INDEX == fieldOrder);
PropertyAttributes attributes = PropertyAttributes::Default();
attributes.SetIsInlinedProps(true);
attributes.SetRepresentation(Representation::TAGGED);
attributes.SetOffset(fieldOrder);
layoutInfoHandle->AddKey(thread_, fieldOrder++, globalConst->GetValueString(), attributes);
}
{
ASSERT(JSIterator::DONE_INLINE_PROPERTY_INDEX == fieldOrder);
PropertyAttributes attributes = PropertyAttributes::Default();
attributes.SetIsInlinedProps(true);
attributes.SetRepresentation(Representation::TAGGED);
attributes.SetOffset(fieldOrder);
layoutInfoHandle->AddKey(thread_, fieldOrder++, globalConst->GetDoneString(), attributes);
}
{
iterResultClass->SetLayout(thread_, layoutInfoHandle);
iterResultClass->SetNumberOfProps(fieldOrder);
}
return iterResultClass;
}
TaggedObject *ObjectFactory::NewOldSpaceObject(const JSHandle<JSHClass> &hclass)
{
NewObjectHook();
TaggedObject *header = heap_->AllocateOldOrHugeObject(*hclass);
uint32_t inobjPropCount = hclass->GetInlinedProperties();
if (inobjPropCount > 0) {
InitializeExtraProperties(hclass, header, inobjPropCount);
}
return header;
}
JSHandle<JSObject> ObjectFactory::NewOldSpaceJSObject(const JSHandle<JSHClass> &jshclass)
{
JSHandle<JSObject> obj(thread_, JSObject::Cast(NewOldSpaceObject(jshclass)));
JSHandle<TaggedArray> emptyArray = EmptyArray();
obj->InitializeHash();
obj->SetElements(thread_, emptyArray);
obj->SetProperties(thread_, emptyArray);
return obj;
}
JSHandle<TaggedArray> ObjectFactory::NewOldSpaceTaggedArray(uint32_t length, JSTaggedValue initVal)
{
return NewTaggedArray(length, initVal, MemSpaceType::OLD_SPACE);
}
JSHandle<JSArray> ObjectFactory::NewJSStableArrayWithElements(const JSHandle<TaggedArray> &elements)
{
JSHandle<JSHClass> cls(thread_,
JSHandle<JSFunction>::Cast(vm_->GetGlobalEnv()->GetArrayFunction())->GetProtoOrHClass());
JSHandle<JSArray> array = JSHandle<JSArray>::Cast(NewJSObject(cls));
array->SetElements(thread_, elements);
array->SetLength(elements->GetLength());
array->SetTrackInfo(thread_, JSTaggedValue::Undefined());
auto accessor = thread_->GlobalConstants()->GetArrayLengthAccessor();
array->SetPropertyInlinedProps(thread_, JSArray::LENGTH_INLINE_PROPERTY_INDEX, accessor);
return array;
}
JSHandle<JSFunction> ObjectFactory::NewJSAsyncGeneratorFunction(const JSHandle<Method> &method)
{
NewObjectHook();
JSHandle<GlobalEnv> env = vm_->GetGlobalEnv();
JSHandle<JSHClass> hclass = JSHandle<JSHClass>::Cast(env->GetAsyncGeneratorFunctionClass());
JSHandle<JSFunction> asyncGeneratorFunc = JSHandle<JSFunction>::Cast(NewJSObject(hclass));
JSFunction::InitializeJSFunction(thread_, asyncGeneratorFunc, FunctionKind::ASYNC_GENERATOR_FUNCTION);
asyncGeneratorFunc->SetMethod(thread_, method);
return asyncGeneratorFunc;
}
JSHandle<AsyncGeneratorRequest> ObjectFactory::NewAsyncGeneratorRequest()
{
NewObjectHook();
TaggedObject *header = heap_->AllocateYoungOrHugeObject(
JSHClass::Cast(thread_->GlobalConstants()->GetAsyncGeneratorRequestRecordClass().GetTaggedObject()));
JSHandle<AsyncGeneratorRequest> obj(thread_, header);
obj->SetCompletion(thread_, JSTaggedValue::Undefined());
obj->SetCapability(thread_, JSTaggedValue::Undefined());
return obj;
}
JSHandle<AsyncIteratorRecord> ObjectFactory::NewAsyncIteratorRecord(const JSHandle<JSTaggedValue> &itor,
const JSHandle<JSTaggedValue> &next, bool done)
{
NewObjectHook();
TaggedObject *header = heap_->AllocateYoungOrHugeObject(
JSHClass::Cast(thread_->GlobalConstants()->GetAsyncIteratorRecordClass().GetTaggedObject()));
JSHandle<AsyncIteratorRecord> obj(thread_, header);
obj->SetIterator(thread_, itor.GetTaggedValue());
obj->SetNextMethod(thread_, next.GetTaggedValue());
obj->SetDone(done);
return obj;
}
JSHandle<AOTLiteralInfo> ObjectFactory::NewAOTLiteralInfo(uint32_t length, JSTaggedValue initVal)
{
NewObjectHook();
size_t size = AOTLiteralInfo::ComputeSize(length);
auto header = heap_->AllocateYoungOrHugeObject(
JSHClass::Cast(thread_->GlobalConstants()->GetAOTLiteralInfoClass().GetTaggedObject()), size);
JSHandle<AOTLiteralInfo> aotLiteralInfo(thread_, header);
aotLiteralInfo->InitializeWithSpecialValue(initVal, length);
return aotLiteralInfo;
}
JSHandle<ExtraProfileTypeInfo> ObjectFactory::NewExtraProfileTypeInfo()
{
NewObjectHook();
TaggedObject *header = heap_->AllocateYoungOrHugeObject(
JSHClass::Cast(thread_->GlobalConstants()->GetExtraProfileTypeInfoClass().GetTaggedObject()));
JSHandle<ExtraProfileTypeInfo> extraProfileTypeInfo(thread_, header);
extraProfileTypeInfo->SetReceiverObject(thread_, JSTaggedValue::Undefined());
extraProfileTypeInfo->SetHolderObject(thread_, JSTaggedValue::Undefined());
return extraProfileTypeInfo;
}
JSHandle<ProfileTypeInfoCell> ObjectFactory::NewProfileTypeInfoCell(const JSHandle<JSTaggedValue> &value)
{
NewObjectHook();
TaggedObject *header = heap_->AllocateYoungOrHugeObject(
JSHClass::Cast(thread_->GlobalConstants()->GetProfileTypeInfoCell0Class().GetTaggedObject()));
JSHandle<ProfileTypeInfoCell> profileTypeInfoCell(thread_, header);
profileTypeInfoCell->SetValue(thread_, value.GetTaggedValue());
profileTypeInfoCell->SetMachineCode(thread_, JSTaggedValue::Hole());
profileTypeInfoCell->SetHandle(thread_, JSTaggedValue::Undefined());
return profileTypeInfoCell;
}
JSHandle<FunctionTemplate> ObjectFactory::NewFunctionTemplate(
const JSHandle<Method> &method, const JSHandle<JSTaggedValue> &module, int32_t length)
{
NewObjectHook();
auto globalConstants = thread_->GlobalConstants();
TaggedObject *header = heap_->AllocateYoungOrHugeObject(
JSHClass::Cast(globalConstants->GetFunctionTemplateClass().GetTaggedObject()));
JSHandle<FunctionTemplate> funcTemp(thread_, header);
funcTemp->SetMethod(thread_, method);
funcTemp->SetModule(thread_, module);
funcTemp->SetRawProfileTypeInfo(thread_, globalConstants->GetEmptyProfileTypeInfoCell(), SKIP_BARRIER);
funcTemp->SetLength(length);
return funcTemp;
}
JSHandle<VTable> ObjectFactory::NewVTable(uint32_t length, JSTaggedValue initVal)
{
NewObjectHook();
size_t size = TaggedArray::ComputeSize(JSTaggedValue::TaggedTypeSize(), length * VTable::TUPLE_SIZE);
auto header = heap_->AllocateYoungOrHugeObject(
JSHClass::Cast(thread_->GlobalConstants()->GetVTableClass().GetTaggedObject()), size);
JSHandle<VTable> vtable(thread_, header);
vtable->InitializeWithSpecialValue(initVal, length * VTable::TUPLE_SIZE);
return vtable;
}
JSHandle<ClassLiteral> ObjectFactory::NewClassLiteral()
{
NewObjectHook();
TaggedObject *header = heap_->AllocateYoungOrHugeObject(
JSHClass::Cast(thread_->GlobalConstants()->GetClassLiteralClass().GetTaggedObject()));
JSHandle<TaggedArray> emptyArray = EmptyArray();
JSHandle<ClassLiteral> classLiteral(thread_, header);
classLiteral->SetArray(thread_, emptyArray);
classLiteral->SetIsAOTUsed(false);
return classLiteral;
}
JSHandle<JSFunction> ObjectFactory::NewJSFunction(const JSHandle<Method> &methodHandle)
{
JSHandle<GlobalEnv> env = vm_->GetGlobalEnv();
FunctionKind kind = methodHandle->GetFunctionKind();
JSHandle<JSHClass> hclass;
switch (kind) {
case FunctionKind::NORMAL_FUNCTION:
case FunctionKind::BASE_CONSTRUCTOR: {
hclass = JSHandle<JSHClass>::Cast(env->GetFunctionClassWithProto());
break;
}
case FunctionKind::ARROW_FUNCTION: {
hclass = JSHandle<JSHClass>::Cast(env->GetFunctionClassWithoutProto());
break;
}
case FunctionKind::GENERATOR_FUNCTION: {
hclass = JSHandle<JSHClass>::Cast(env->GetGeneratorFunctionClass());
break;
}
case FunctionKind::CONCURRENT_FUNCTION:
case FunctionKind::ASYNC_ARROW_FUNCTION:
case FunctionKind::ASYNC_FUNCTION: {
hclass = JSHandle<JSHClass>::Cast(env->GetAsyncFunctionClass());
break;
}
case FunctionKind::ASYNC_GENERATOR_FUNCTION: {
hclass = JSHandle<JSHClass>::Cast(env->GetAsyncGeneratorFunctionClass());
break;
}
default:
LOG_ECMA(FATAL) << "this branch is unreachable";
UNREACHABLE();
}
JSHandle<JSFunction> jsfunc = NewJSFunctionByHClass(methodHandle, hclass);
ASSERT_NO_ABRUPT_COMPLETION(thread_);
return jsfunc;
}
JSHandle<JSFunction> ObjectFactory::NewJSFunction(const JSHandle<Method> &methodHandle,
const JSHandle<JSTaggedValue> &homeObject)
{
ASSERT(homeObject->IsECMAObject());
JSHandle<GlobalEnv> env = vm_->GetGlobalEnv();
JSHandle<JSHClass> hclass = JSHandle<JSHClass>::Cast(env->GetFunctionClassWithoutProto());
JSHandle<JSFunction> jsFunc = NewJSFunctionByHClass(methodHandle, hclass);
jsFunc->SetHomeObject(thread_, homeObject);
ASSERT_NO_ABRUPT_COMPLETION(thread_);
return jsFunc;
}
JSHandle<JSTaggedValue> ObjectFactory::CreateJSObjectWithProperties(size_t propertyCount,
const Local<JSValueRef> *keys,
const PropertyDescriptor *descs)
{
if (!CanObjectLiteralHClassCache(propertyCount)) {
return CreateLargeJSObjectWithProperties(propertyCount, keys, descs);
}
// At least 4 inlined slot
int inlineProps = std::max(static_cast<int>(propertyCount), JSHClass::DEFAULT_CAPACITY_OF_IN_OBJECTS);
JSMutableHandle<JSHClass> hclassHandle(thread_, GetObjectLiteralRootHClass(inlineProps));
for (size_t i = 0; i < propertyCount; ++i) {
JSMutableHandle<JSTaggedValue> key(JSNApiHelper::ToJSMutableHandle(keys[i]));
if (key->IsString() && !EcmaStringAccessor(key.GetTaggedValue()).IsInternString()) {
// update string stable
key.Update(JSTaggedValue(InternString(key)));
}
ASSERT(EcmaStringAccessor(key->GetTaggedObject()).IsInternString());
if (UNLIKELY(!JSTaggedValue::IsPureString(key.GetTaggedValue()))) {
THROW_TYPE_ERROR_AND_RETURN(thread_, "property key must be string and can not convert into element index",
JSHandle<JSTaggedValue>());
}
PropertyAttributes attr(descs[i]);
attr.SetIsInlinedProps(true);
attr.SetOffset(i);
attr.SetRepresentation(Representation::TAGGED);
auto value = descs[i].GetValue().GetTaggedValue();
auto rep = PropertyAttributes::TranslateToRep(value);
hclassHandle.Update(JSHClass::SetPropertyOfObjHClass<true>(thread_, hclassHandle, key, attr, rep));
RETURN_VALUE_IF_ABRUPT_COMPLETION(thread_, JSHandle<JSTaggedValue>());
}
JSHandle<JSObject> object = NewJSObject(hclassHandle);
for (size_t i = 0; i < propertyCount; ++i) {
object->SetPropertyInlinedProps<true>(thread_, i, descs[i].GetValue().GetTaggedValue());
}
return JSHandle<JSTaggedValue>(object);
}
JSHandle<JSTaggedValue> ObjectFactory::CreateLargeJSObjectWithProperties(size_t propertyCount,
const Local<JSValueRef> *keys,
const PropertyDescriptor *descs)
{
ASSERT(!CanObjectLiteralHClassCache(propertyCount));
if (UNLIKELY(propertyCount > PropertyAttributes::MAX_FAST_PROPS_CAPACITY)) {
return CreateDictionaryJSObjectWithProperties(propertyCount, keys, descs);
}
JSHandle<GlobalEnv> env = vm_->GetGlobalEnv();
JSHandle<JSTaggedValue> objFuncProto = env->GetObjectFunctionPrototype();
JSHandle<JSHClass> hClassHandle = NewEcmaHClass(JSObject::SIZE, propertyCount, JSType::JS_OBJECT, objFuncProto);
JSHandle<LayoutInfo> layoutHandle = CreateLayoutInfo(propertyCount);
JSHandle<JSObject> object = NewJSObject(hClassHandle);
for (size_t i = 0; i < propertyCount; ++i) {
JSMutableHandle<JSTaggedValue> key(JSNApiHelper::ToJSMutableHandle(keys[i]));
if (key->IsString() && !EcmaStringAccessor(key.GetTaggedValue()).IsInternString()) {
// update string stable
key.Update(JSTaggedValue(InternString(key)));
}
ASSERT(EcmaStringAccessor(key->GetTaggedObject()).IsInternString());
if (UNLIKELY(!JSTaggedValue::IsPureString(key.GetTaggedValue()))) {
THROW_TYPE_ERROR_AND_RETURN(thread_, "property key must be string and can not convert into element index",
JSHandle<JSTaggedValue>());
}
PropertyAttributes attr(descs[i]);
attr.SetIsInlinedProps(true);
attr.SetOffset(i);
LayoutInfo *layout = LayoutInfo::Cast(layoutHandle.GetTaggedValue().GetTaggedObject());
layout->AddKey<true>(thread_, i, key.GetTaggedValue(), attr);
RETURN_VALUE_IF_ABRUPT_COMPLETION(thread_, JSHandle<JSTaggedValue>());
object->SetPropertyInlinedProps<true>(thread_, i, descs[i].GetValue().GetTaggedValue());
}
hClassHandle->SetNumberOfProps(propertyCount);
hClassHandle->SetLayout(thread_, layoutHandle);
return JSHandle<JSTaggedValue>(object);
}
JSHandle<JSTaggedValue> ObjectFactory::CreateDictionaryJSObjectWithProperties(size_t propertyCount,
const Local<JSValueRef> *keys,
const PropertyDescriptor *descs)
{
ASSERT(propertyCount > PropertyAttributes::MAX_FAST_PROPS_CAPACITY);
JSHandle<GlobalEnv> env = vm_->GetGlobalEnv();
JSHandle<JSTaggedValue> objFuncProto = env->GetObjectFunctionPrototype();
JSHandle<JSHClass> hClassHandle = NewEcmaHClass(JSObject::SIZE, 0, JSType::JS_OBJECT, objFuncProto);
hClassHandle->SetNumberOfProps(0);
hClassHandle->SetIsDictionaryMode(true);
JSHandle<JSObject> object = NewJSObject(hClassHandle);
JSMutableHandle<NameDictionary> dict(
thread_, NameDictionary::Create(thread_, NameDictionary::ComputeHashTableSize(propertyCount)));
for (size_t i = 0; i < propertyCount; ++i) {
JSMutableHandle<JSTaggedValue> key(JSNApiHelper::ToJSMutableHandle(keys[i]));
if (key->IsString() && !EcmaStringAccessor(key.GetTaggedValue()).IsInternString()) {
// update string stable
key.Update(JSTaggedValue(InternString(key)));
}
ASSERT(EcmaStringAccessor(key->GetTaggedObject()).IsInternString());
if (UNLIKELY(!JSTaggedValue::IsPureString(key.GetTaggedValue()))) {
THROW_TYPE_ERROR_AND_RETURN(thread_, "property key must be string and can not convert into element index",
JSHandle<JSTaggedValue>());
}
PropertyAttributes attr(descs[i]);
dict.Update(NameDictionary::PutIfAbsent(thread_, dict, key, descs[i].GetValue(), attr));
}
if (UNLIKELY(dict->EntriesCount() != static_cast<int>(propertyCount))) {
THROW_TYPE_ERROR_AND_RETURN(thread_, "property keys can not duplicate", JSHandle<JSTaggedValue>());
}
object->SetProperties(thread_, dict);
return JSHandle<JSTaggedValue>(object);
}
JSHandle<JSTaggedValue> ObjectFactory::CreateJSObjectWithNamedProperties(size_t propertyCount, const char **keys,
const Local<JSValueRef> *values)
{
if (!CanObjectLiteralHClassCache(propertyCount)) {
return CreateLargeJSObjectWithNamedProperties(propertyCount, keys, values);
}
// At least 4 inlined slot
int inlineProps = std::max(static_cast<int>(propertyCount), JSHClass::DEFAULT_CAPACITY_OF_IN_OBJECTS);
JSMutableHandle<JSHClass> hclassHandle(thread_, GetObjectLiteralRootHClass(inlineProps));
for (size_t i = 0; i < propertyCount; ++i) {
JSHandle<JSTaggedValue> key(NewFromUtf8(keys[i]));
ASSERT(EcmaStringAccessor(key->GetTaggedObject()).IsInternString());
if (UNLIKELY(!JSTaggedValue::IsPureString(key.GetTaggedValue()))) {
THROW_TYPE_ERROR_AND_RETURN(thread_, "property key must be string and can not convert into element index",
JSHandle<JSTaggedValue>());
}
PropertyAttributes attr(PropertyAttributes::GetDefaultAttributes());
attr.SetIsInlinedProps(true);
attr.SetOffset(i);
attr.SetRepresentation(Representation::TAGGED);
auto value = JSNApiHelper::ToJSHandle(values[i]).GetTaggedValue();
auto rep = PropertyAttributes::TranslateToRep(value);
hclassHandle.Update(JSHClass::SetPropertyOfObjHClass<true>(thread_, hclassHandle, key, attr, rep));
RETURN_VALUE_IF_ABRUPT_COMPLETION(thread_, JSHandle<JSTaggedValue>());
}
JSHandle<JSObject> object = NewJSObject(hclassHandle);
for (size_t i = 0; i < propertyCount; ++i) {
object->SetPropertyInlinedProps<true>(thread_, i, JSNApiHelper::ToJSHandle(values[i]).GetTaggedValue());
}
return JSHandle<JSTaggedValue>(object);
}
JSHandle<JSTaggedValue> ObjectFactory::CreateLargeJSObjectWithNamedProperties(size_t propertyCount, const char **keys,
const Local<JSValueRef> *values)
{
ASSERT(!CanObjectLiteralHClassCache(propertyCount));
if (UNLIKELY(propertyCount > PropertyAttributes::MAX_FAST_PROPS_CAPACITY)) {
return CreateDictionaryJSObjectWithNamedProperties(propertyCount, keys, values);
}
JSHandle<GlobalEnv> env = vm_->GetGlobalEnv();
JSHandle<JSTaggedValue> objFuncProto = env->GetObjectFunctionPrototype();
JSHandle<JSHClass> hClassHandle = NewEcmaHClass(JSObject::SIZE, propertyCount, JSType::JS_OBJECT, objFuncProto);
JSHandle<LayoutInfo> layoutHandle = CreateLayoutInfo(propertyCount);
JSHandle<JSObject> object = NewJSObject(hClassHandle);
for (size_t i = 0; i < propertyCount; ++i) {
JSHandle<JSTaggedValue> key(NewFromUtf8(keys[i]));
ASSERT(EcmaStringAccessor(key->GetTaggedObject()).IsInternString());
if (UNLIKELY(!JSTaggedValue::IsPureString(key.GetTaggedValue()))) {
THROW_TYPE_ERROR_AND_RETURN(thread_, "property key must be string and can not convert into element index",
JSHandle<JSTaggedValue>());
}
PropertyAttributes attr(PropertyAttributes::GetDefaultAttributes());
attr.SetIsInlinedProps(true);
attr.SetOffset(i);
LayoutInfo *layout = LayoutInfo::Cast(layoutHandle.GetTaggedValue().GetTaggedObject());
layout->AddKey<true>(thread_, i, key.GetTaggedValue(), attr);
RETURN_VALUE_IF_ABRUPT_COMPLETION(thread_, JSHandle<JSTaggedValue>());
object->SetPropertyInlinedProps<true>(thread_, i, JSNApiHelper::ToJSHandle(values[i]).GetTaggedValue());
}
hClassHandle->SetNumberOfProps(propertyCount);
hClassHandle->SetLayout(thread_, layoutHandle);
return JSHandle<JSTaggedValue>(object);
}
JSHandle<JSTaggedValue> ObjectFactory::CreateDictionaryJSObjectWithNamedProperties(size_t propertyCount,
const char **keys,
const Local<JSValueRef> *values)
{
ASSERT(propertyCount > PropertyAttributes::MAX_FAST_PROPS_CAPACITY);
JSHandle<GlobalEnv> env = vm_->GetGlobalEnv();
JSHandle<JSTaggedValue> objFuncProto = env->GetObjectFunctionPrototype();
JSHandle<JSHClass> hClassHandle = NewEcmaHClass(JSObject::SIZE, 0, JSType::JS_OBJECT, objFuncProto);
hClassHandle->SetNumberOfProps(0);
hClassHandle->SetIsDictionaryMode(true);
JSHandle<JSObject> object = NewJSObject(hClassHandle);
JSMutableHandle<NameDictionary> dict(
thread_, NameDictionary::Create(thread_, NameDictionary::ComputeHashTableSize(propertyCount)));
for (size_t i = 0; i < propertyCount; ++i) {
JSHandle<JSTaggedValue> key(NewFromUtf8(keys[i]));
ASSERT(EcmaStringAccessor(key->GetTaggedObject()).IsInternString());
if (UNLIKELY(!JSTaggedValue::IsPureString(key.GetTaggedValue()))) {
THROW_TYPE_ERROR_AND_RETURN(thread_, "property key must be string and can not convert into element index",
JSHandle<JSTaggedValue>());
}
PropertyAttributes attr(PropertyAttributes::GetDefaultAttributes());
dict.Update(NameDictionary::PutIfAbsent(thread_, dict, key, JSNApiHelper::ToJSHandle(values[i]), attr));
}
if (UNLIKELY(dict->EntriesCount() != static_cast<int>(propertyCount))) {
THROW_TYPE_ERROR_AND_RETURN(thread_, "property keys can not duplicate", JSHandle<JSTaggedValue>());
}
object->SetProperties(thread_, dict);
return JSHandle<JSTaggedValue>(object);
}
void ObjectFactory::FillFreeMemoryRange(uintptr_t start, uintptr_t end)
{
ASSERT(start <= end);
ASSERT(start % static_cast<uint8_t>(MemAlignment::MEM_ALIGN_OBJECT) == 0);
ASSERT(end % static_cast<uint8_t>(MemAlignment::MEM_ALIGN_OBJECT) == 0);
while (start < end) {
Barriers::SetPrimitive<JSTaggedType>(reinterpret_cast<void*>(start), 0, FREE_MEMMORY_ADDRESS_ZAM_VALUE);
start += sizeof(JSTaggedType);
}
}
} // namespace panda::ecmascript
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