openharmony/ark_js_runtime
1
0
Fork 0
mirror of https://github.com/openharmony/ark_js_runtime.git synced 2026-07-20 23:00:29 -04:00
Code Issues 1 Packages Projects Releases Wiki Activity
Files
86cfe52253f5d7f6c3e665519bbf520d20fdad11
ark_js_runtime/ecmascript/object_factory.cpp
T
wanyanglan 86cfe52253 add ark js_runtime 
Signed-off-by: wanyanglan <wanyanglan1@huawei.com>
Change-Id: Iac7851492f10c0ef1303c621febb65e5fdd22e41
2021-09-05 16:05:06 +08:00

2226 lines
95 KiB
C++
Raw Blame History

/*
* Copyright (c) 2021 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 "ecma_string_table.h"
#include "ecma_vm.h"
#include "ecmascript/accessor_data.h"
#include "ecmascript/base/error_helper.h"
#include "ecmascript/builtins.h"
#include "ecmascript/builtins/builtins_errors.h"
#include "ecmascript/builtins/builtins_global.h"
#include "ecmascript/class_linker/program_object.h"
#include "ecmascript/ecma_macros.h"
#include "ecmascript/ecma_module.h"
#include "ecmascript/free_object.h"
#include "ecmascript/global_env.h"
#include "ecmascript/global_env_constants-inl.h"
#include "ecmascript/global_env_constants.h"
#include "ecmascript/ic/ic_handler.h"
#include "ecmascript/ic/profile_type_info.h"
#include "ecmascript/ic/property_box.h"
#include "ecmascript/ic/proto_change_details.h"
#include "ecmascript/jobs/micro_job_queue.h"
#include "ecmascript/jobs/pending_job.h"
#include "ecmascript/js_arguments.h"
#include "ecmascript/js_array.h"
#include "ecmascript/js_array_iterator.h"
#include "ecmascript/js_arraybuffer.h"
#include "ecmascript/js_async_function.h"
#include "ecmascript/js_dataview.h"
#include "ecmascript/js_date.h"
#include "ecmascript/js_float32_array.h"
#include "ecmascript/js_float64_array.h"
#include "ecmascript/js_for_in_iterator.h"
#include "ecmascript/js_generator_object.h"
#include "ecmascript/js_hclass-inl.h"
#include "ecmascript/js_hclass.h"
#include "ecmascript/js_int16_array.h"
#include "ecmascript/js_int32_array.h"
#include "ecmascript/js_int8_array.h"
#include "ecmascript/js_iterator.h"
#include "ecmascript/js_map_iterator.h"
#include "ecmascript/js_map.h"
#include "ecmascript/js_object-inl.h"
#include "ecmascript/js_primitive_ref.h"
#include "ecmascript/js_promise.h"
#include "ecmascript/js_proxy.h"
#include "ecmascript/js_realm.h"
#include "ecmascript/js_regexp.h"
#include "ecmascript/js_set_iterator.h"
#include "ecmascript/js_set.h"
#include "ecmascript/js_string_iterator.h"
#include "ecmascript/js_symbol.h"
#include "ecmascript/js_tagged_value-inl.h"
#include "ecmascript/js_thread.h"
#include "ecmascript/js_uint16_array.h"
#include "ecmascript/js_uint32_array.h"
#include "ecmascript/js_uint8_array.h"
#include "ecmascript/js_uint8_clamped_array.h"
#include "ecmascript/js_weak_container.h"
#include "ecmascript/layout_info-inl.h"
#include "ecmascript/linked_hash_table-inl.h"
#include "ecmascript/mem/ecma_heap_manager.h"
#include "ecmascript/mem/heap-inl.h"
#include "ecmascript/mem/space.h"
#include "ecmascript/record.h"
#include "ecmascript/symbol_table-inl.h"
#include "ecmascript/template_map.h"
namespace panda::ecmascript {
using Error = builtins::BuiltinsError;
using RangeError = builtins::BuiltinsRangeError;
using ReferenceError = builtins::BuiltinsReferenceError;
using TypeError = builtins::BuiltinsTypeError;
using URIError = builtins::BuiltinsURIError;
using SyntaxError = builtins::BuiltinsSyntaxError;
using EvalError = builtins::BuiltinsEvalError;
using ErrorType = base::ErrorType;
using ErrorHelper = base::ErrorHelper;
ObjectFactory::ObjectFactory(JSThread *thread, Heap *heap)
: thread_(thread), heapHelper_(heap), vm_(thread->GetEcmaVM()), heap_(heap)
{
}
JSHandle<JSHClass> ObjectFactory::NewEcmaDynClass(JSHClass *hclass, uint32_t size, JSType type)
{
NewObjectHook();
uint32_t classSize = JSHClass::SIZE;
auto *newClass = static_cast<JSHClass *>(heapHelper_.AllocateNonMovableOrLargeObject(hclass, classSize));
newClass->Initialize(thread_, size, type, JSTaggedValue::Null());
return JSHandle<JSHClass>(thread_, newClass);
}
JSHandle<JSHClass> ObjectFactory::NewEcmaDynClass(uint32_t size, JSType type)
{
return NewEcmaDynClass(hclassClass_, size, type);
}
void ObjectFactory::ObtainRootClass([[maybe_unused]] const JSHandle<GlobalEnv> &globalEnv)
{
const GlobalEnvConstants *globalConst = thread_->GlobalConstants();
hclassClass_ = JSHClass::Cast(globalConst->GetHClassClass().GetTaggedObject());
stringClass_ = JSHClass::Cast(globalConst->GetStringClass().GetTaggedObject());
arrayClass_ = JSHClass::Cast(globalConst->GetArrayClass().GetTaggedObject());
dictionaryClass_ = JSHClass::Cast(globalConst->GetDictionaryClass().GetTaggedObject());
jsNativePointerClass_ = JSHClass::Cast(globalConst->GetJSNativePointerClass().GetTaggedObject());
freeObjectWithNoneFieldClass_ = JSHClass::Cast(globalConst->GetFreeObjectWithNoneFieldClass().GetTaggedObject());
freeObjectWithOneFieldClass_ = JSHClass::Cast(globalConst->GetFreeObjectWithOneFieldClass().GetTaggedObject());
freeObjectWithTwoFieldClass_ = JSHClass::Cast(globalConst->GetFreeObjectWithTwoFieldClass().GetTaggedObject());
completionRecordClass_ = JSHClass::Cast(globalConst->GetCompletionRecordClass().GetTaggedObject());
generatorContextClass_ = JSHClass::Cast(globalConst->GetGeneratorContextClass().GetTaggedObject());
programClass_ = JSHClass::Cast(globalConst->GetProgramClass().GetTaggedObject());
ecmaModuleClass_ = JSHClass::Cast(globalConst->GetEcmaModuleClass().GetTaggedObject());
envClass_ = JSHClass::Cast(globalConst->GetEnvClass().GetTaggedObject());
symbolClass_ = JSHClass::Cast(globalConst->GetSymbolClass().GetTaggedObject());
accessorDataClass_ = JSHClass::Cast(globalConst->GetAccessorDataClass().GetTaggedObject());
internalAccessorClass_ = JSHClass::Cast(globalConst->GetInternalAccessorClass().GetTaggedObject());
capabilityRecordClass_ = JSHClass::Cast(globalConst->GetCapabilityRecordClass().GetTaggedObject());
reactionsRecordClass_ = JSHClass::Cast(globalConst->GetReactionsRecordClass().GetTaggedObject());
promiseIteratorRecordClass_ = JSHClass::Cast(globalConst->GetPromiseIteratorRecordClass().GetTaggedObject());
microJobQueueClass_ = JSHClass::Cast(globalConst->GetMicroJobQueueClass().GetTaggedObject());
pendingJobClass_ = JSHClass::Cast(globalConst->GetPendingJobClass().GetTaggedObject());
jsProxyOrdinaryClass_ = JSHClass::Cast(globalConst->GetJSProxyOrdinaryClass().GetTaggedObject());
jsProxyCallableClass_ = JSHClass::Cast(globalConst->GetJSProxyCallableClass().GetTaggedObject());
jsProxyConstructClass_ = JSHClass::Cast(globalConst->GetJSProxyConstructClass().GetTaggedObject());
objectWrapperClass_ = JSHClass::Cast(globalConst->GetObjectWrapperClass().GetTaggedObject());
PropertyBoxClass_ = JSHClass::Cast(globalConst->GetPropertyBoxClass().GetTaggedObject());
protoChangeMarkerClass_ = JSHClass::Cast(globalConst->GetProtoChangeMarkerClass().GetTaggedObject());
protoChangeDetailsClass_ = JSHClass::Cast(globalConst->GetProtoChangeDetailsClass().GetTaggedObject());
promiseRecordClass_ = JSHClass::Cast(globalConst->GetPromiseRecordClass().GetTaggedObject());
promiseResolvingFunctionsRecord_ =
JSHClass::Cast(globalConst->GetPromiseResolvingFunctionsRecordClass().GetTaggedObject());
transitionHandlerClass_ = JSHClass::Cast(globalConst->GetTransitionHandlerClass().GetTaggedObject());
prototypeHandlerClass_ = JSHClass::Cast(globalConst->GetPrototypeHandlerClass().GetTaggedObject());
functionExtraInfo_ = JSHClass::Cast(globalConst->GetFunctionExtraInfoClass().GetTaggedObject());
jsRealmClass_ = JSHClass::Cast(globalConst->GetJSRealmClass().GetTaggedObject());
}
void ObjectFactory::InitObjectFields(const TaggedObject *object)
{
auto *klass = object->GetClass();
auto objBodySize = klass->GetObjectSize() - TaggedObject::ObjectHeaderSize();
ASSERT(objBodySize % JSTaggedValue::TaggedTypeSize() == 0);
int numOfFields = static_cast<int>(objBodySize / JSTaggedValue::TaggedTypeSize());
size_t addr = reinterpret_cast<uintptr_t>(object) + TaggedObject::ObjectHeaderSize();
for (int 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();
if (data != JSTaggedValue::Undefined()) {
auto *pointer = JSNativePointer::Cast(data.GetTaggedObject());
void *arr = pointer->GetExternalPointer();
if (arr != nullptr) {
vm_->GetRegionFactory()->FreeBuffer(arr);
}
auto newData = vm_->GetRegionFactory()->AllocateBuffer(length * sizeof(uint8_t));
if (memset_s(newData, length, 0, length) != EOK) {
LOG_ECMA(FATAL) << "memset_s failed";
UNREACHABLE();
}
pointer->SetExternalPointer(newData);
return;
}
auto newData = vm_->GetRegionFactory()->AllocateBuffer(length * sizeof(uint8_t));
if (memset_s(newData, length, 0, length) != EOK) {
LOG_ECMA(FATAL) << "memset_s failed";
UNREACHABLE();
}
JSHandle<JSNativePointer> pointer = NewJSNativePointer(newData);
array->SetArrayBufferData(thread_, pointer.GetTaggedValue());
vm_->PushToArrayDataList(*pointer);
}
JSHandle<JSArrayBuffer> ObjectFactory::NewJSArrayBuffer(int32_t length)
{
JSHandle<GlobalEnv> env = vm_->GetGlobalEnv();
JSHandle<JSFunction> constructor(env->GetArrayBufferFunction());
JSHandle<JSTaggedValue> newTarget(constructor);
JSHandle<JSArrayBuffer> arrayBuffer(NewJSObjectByConstructor(constructor, newTarget));
arrayBuffer->SetArrayBufferByteLength(thread_, JSTaggedValue(length));
if (length > 0) {
auto newData = vm_->GetRegionFactory()->AllocateBuffer(length);
if (memset_s(newData, length, 0, length) != EOK) {
LOG_ECMA(FATAL) << "memset_s failed";
UNREACHABLE();
}
JSHandle<JSNativePointer> pointer = NewJSNativePointer(newData);
pointer->SetDeleter(RegionFactory::FreeBufferFunc);
pointer->SetData(vm_->GetRegionFactory());
arrayBuffer->SetArrayBufferData(thread_, pointer.GetTaggedValue());
arrayBuffer->SetShared(thread_, JSTaggedValue::False());
vm_->PushToArrayDataList(*pointer);
}
return arrayBuffer;
}
JSHandle<JSArrayBuffer> ObjectFactory::NewJSArrayBuffer(void *buffer, int32_t length, const DeleteEntryPoint &deleter,
void *data, bool share)
{
JSHandle<GlobalEnv> env = vm_->GetGlobalEnv();
JSHandle<JSFunction> constructor(env->GetArrayBufferFunction());
JSHandle<JSTaggedValue> newTarget(constructor);
JSHandle<JSArrayBuffer> arrayBuffer(NewJSObjectByConstructor(constructor, newTarget));
length = buffer == nullptr ? 0 : length;
arrayBuffer->SetArrayBufferByteLength(thread_, JSTaggedValue(length));
if (length > 0) {
JSHandle<JSNativePointer> pointer = NewJSNativePointer(buffer);
pointer->SetDeleter(deleter);
pointer->SetData(data);
arrayBuffer->SetArrayBufferData(thread_, pointer.GetTaggedValue());
arrayBuffer->SetShared(thread_, JSTaggedValue(share));
vm_->PushToArrayDataList(*pointer);
}
return arrayBuffer;
}
JSHandle<JSDataView> ObjectFactory::NewJSDataView(JSHandle<JSArrayBuffer> buffer, int32_t offset, int32_t length)
{
JSTaggedValue arrayLength = buffer->GetArrayBufferByteLength();
if (!arrayLength.IsNumber()) {
THROW_TYPE_ERROR_AND_RETURN(thread_, "ArrayBuffer length error",
JSHandle<JSDataView>(thread_, JSTaggedValue::Undefined()));
}
if (offset + length > arrayLength.GetNumber()) {
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<JSTaggedValue> newTarget(constructor);
JSHandle<JSDataView> arrayBuffer(NewJSObjectByConstructor(constructor, newTarget));
arrayBuffer->SetDataView(thread_, JSTaggedValue::True());
arrayBuffer->SetViewedArrayBuffer(thread_, buffer.GetTaggedValue());
arrayBuffer->SetByteLength(thread_, JSTaggedValue(length));
arrayBuffer->SetByteOffset(thread_, JSTaggedValue(offset));
return arrayBuffer;
}
void ObjectFactory::NewJSRegExpByteCodeData(const JSHandle<JSRegExp> &regexp, void *buffer, size_t size)
{
if (buffer == nullptr) {
return;
}
auto newBuffer = vm_->GetRegionFactory()->AllocateBuffer(size);
if (memcpy_s(newBuffer, size, buffer, size) != EOK) {
LOG_ECMA(FATAL) << "memcpy_s failed";
UNREACHABLE();
}
JSTaggedValue data = regexp->GetByteCodeBuffer();
if (data != JSTaggedValue::Undefined()) {
JSNativePointer *native = JSNativePointer::Cast(data.GetTaggedObject());
native->Destroy();
void *bufferPointer = native->GetExternalPointer();
if (bufferPointer != nullptr) {
vm_->GetRegionFactory()->FreeBuffer(bufferPointer);
}
native->SetExternalPointer(newBuffer);
return;
}
JSHandle<JSNativePointer> pointer = NewJSNativePointer(newBuffer);
regexp->SetByteCodeBuffer(thread_, pointer.GetTaggedValue());
regexp->SetLength(thread_, JSTaggedValue(static_cast<uint32_t>(size)));
// push uint8_t* to ecma array_data_list
vm_->PushToArrayDataList(*pointer);
}
JSHandle<JSHClass> ObjectFactory::NewEcmaDynClass(uint32_t size, JSType type, const JSHandle<JSTaggedValue> &prototype)
{
NewObjectHook();
JSHandle<JSHClass> newClass = NewEcmaDynClass(size, type);
newClass->SetPrototype(thread_, prototype.GetTaggedValue());
return newClass;
}
JSHandle<JSObject> ObjectFactory::NewJSObject(const JSHandle<JSHClass> &jshclass)
{
NewObjectHook();
JSHandle<JSObject> obj(thread_, JSObject::Cast(NewDynObject(jshclass, JSHClass::DEFAULT_CAPACITY_OF_IN_OBJECTS)));
obj->SetElements(thread_, EmptyArray(), SKIP_BARRIER);
obj->SetProperties(thread_, EmptyArray(), SKIP_BARRIER);
return obj;
}
JSHandle<TaggedArray> ObjectFactory::CloneProperties(const JSHandle<TaggedArray> &old)
{
array_size_t newLength = old->GetLength();
if (newLength == 0) {
return EmptyArray();
}
NewObjectHook();
auto klass = old->GetClass();
size_t size = TaggedArray::ComputeSize(JSTaggedValue::TaggedTypeSize(), newLength);
auto header = heapHelper_.AllocateYoungGenerationOrLargeObject(klass, size);
JSHandle<TaggedArray> newArray(thread_, header);
newArray->SetLength(newLength);
for (array_size_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 = object->GetClass();
TaggedObject *header = heapHelper_.AllocateYoungGenerationOrLargeObject(klass);
JSHandle<JSObject> cloneObject(thread_, JSObject::Cast(header));
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());
for (int i = 0; i < JSHClass::DEFAULT_CAPACITY_OF_IN_OBJECTS; i++) {
cloneObject->SetPropertyInlinedProps(thread_, i, object->GetPropertyInlinedProps(i));
}
return cloneObject;
}
JSHandle<JSArray> ObjectFactory::CloneArrayLiteral(JSHandle<JSArray> object)
{
NewObjectHook();
auto klass = object->GetClass();
TaggedObject *header = heapHelper_.AllocateYoungGenerationOrLargeObject(klass);
JSHandle<JSArray> cloneObject(thread_, JSObject::Cast(header));
JSHandle<TaggedArray> elements(thread_, object->GetElements());
auto newElements = CopyArray(elements, elements->GetLength(), elements->GetLength());
cloneObject->SetElements(thread_, newElements.GetTaggedValue());
JSHandle<TaggedArray> properties(thread_, object->GetProperties());
auto newProperties = CopyArray(properties, properties->GetLength(), properties->GetLength());
cloneObject->SetProperties(thread_, newProperties.GetTaggedValue());
cloneObject->SetArrayLength(thread_, object->GetArrayLength());
for (int i = 0; i < JSHClass::DEFAULT_CAPACITY_OF_IN_OBJECTS; i++) {
cloneObject->SetPropertyInlinedProps(thread_, i, object->GetPropertyInlinedProps(i));
}
return cloneObject;
}
JSHandle<TaggedArray> ObjectFactory::CloneProperties(const JSHandle<TaggedArray> &old,
const JSHandle<JSTaggedValue> &env, const JSHandle<JSObject> &obj,
const JSHandle<JSTaggedValue> &constpool)
{
array_size_t newLength = old->GetLength();
if (newLength == 0) {
return EmptyArray();
}
NewObjectHook();
auto klass = old->GetClass();
size_t size = TaggedArray::ComputeSize(JSTaggedValue::TaggedTypeSize(), newLength);
auto header = heapHelper_.AllocateYoungGenerationOrLargeObject(klass, size);
JSHandle<TaggedArray> newArray(thread_, header);
newArray->SetLength(newLength);
for (array_size_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 = CloneJSFuction(valueHandle, valueHandle->GetFunctionKind());
newFunc->SetLexicalEnv(thread_, env);
newFunc->SetHomeObject(thread_, obj);
newFunc->SetConstantPool(thread_, constpool);
newArray->Set(thread_, i, newFunc);
}
}
return newArray;
}
JSHandle<JSObject> ObjectFactory::CloneObjectLiteral(JSHandle<JSObject> object, const JSHandle<JSTaggedValue> &env,
const JSHandle<JSTaggedValue> &constpool)
{
NewObjectHook();
auto klass = object->GetClass();
TaggedObject *header = heapHelper_.AllocateYoungGenerationOrLargeObject(klass);
JSHandle<JSObject> cloneObject(thread_, JSObject::Cast(header));
JSHandle<TaggedArray> elements(thread_, object->GetElements());
auto newElements = CloneProperties(elements, env, cloneObject, constpool);
cloneObject->SetElements(thread_, newElements.GetTaggedValue());
JSHandle<TaggedArray> properties(thread_, object->GetProperties());
auto newProperties = CloneProperties(properties, env, cloneObject, constpool);
cloneObject->SetProperties(thread_, newProperties.GetTaggedValue());
for (int i = 0; i < JSHClass::DEFAULT_CAPACITY_OF_IN_OBJECTS; i++) {
JSTaggedValue value = object->GetPropertyInlinedProps(i);
if (!value.IsJSFunction()) {
cloneObject->SetPropertyInlinedProps(thread_, i, value);
} else {
JSHandle<JSFunction> valueHandle(thread_, value);
JSHandle<JSFunction> newFunc = CloneJSFuction(valueHandle, valueHandle->GetFunctionKind());
newFunc->SetLexicalEnv(thread_, env);
newFunc->SetHomeObject(thread_, cloneObject);
newFunc->SetConstantPool(thread_, constpool);
cloneObject->SetPropertyInlinedProps(thread_, i, newFunc.GetTaggedValue());
}
}
return cloneObject;
}
JSHandle<JSFunction> ObjectFactory::CloneJSFuction(JSHandle<JSFunction> obj, FunctionKind kind)
{
NewObjectHook();
JSHandle<GlobalEnv> env = vm_->GetGlobalEnv();
JSHandle<JSHClass> jshclass(thread_, obj->GetJSHClass());
JSHandle<JSFunction> cloneFunc = NewJSFunctionByDynClass(obj->GetCallTarget(), jshclass, kind);
if (kind == FunctionKind::GENERATOR_FUNCTION) {
JSHandle<JSTaggedValue> objFun = env->GetObjectFunction();
JSHandle<JSObject> initialGeneratorFuncPrototype =
NewJSObjectByConstructor(JSHandle<JSFunction>(objFun), objFun);
JSObject::SetPrototype(thread_, initialGeneratorFuncPrototype, env->GetGeneratorPrototype());
cloneFunc->SetProtoOrDynClass(thread_, initialGeneratorFuncPrototype);
}
return cloneFunc;
}
JSHandle<JSObject> ObjectFactory::NewNonMovableJSObject(const JSHandle<JSHClass> &jshclass)
{
NewObjectHook();
JSHandle<JSObject> obj(thread_,
JSObject::Cast(NewNonMovableDynObject(jshclass, JSHClass::DEFAULT_CAPACITY_OF_IN_OBJECTS)));
obj->SetElements(thread_, EmptyArray(), SKIP_BARRIER);
obj->SetProperties(thread_, EmptyArray(), SKIP_BARRIER);
return obj;
}
JSHandle<JSPrimitiveRef> ObjectFactory::NewJSPrimitiveRef(const JSHandle<JSHClass> &dynKlass,
const JSHandle<JSTaggedValue> &object)
{
NewObjectHook();
JSHandle<JSPrimitiveRef> obj = JSHandle<JSPrimitiveRef>::Cast(NewJSObject(dynKlass));
obj->SetValue(thread_, object);
return obj;
}
JSHandle<JSArray> ObjectFactory::NewJSArray()
{
NewObjectHook();
JSHandle<GlobalEnv> env = vm_->GetGlobalEnv();
JSHandle<JSTaggedValue> function = env->GetArrayFunction();
return JSHandle<JSArray>(NewJSObjectByConstructor(JSHandle<JSFunction>(function), function));
}
JSHandle<JSForInIterator> ObjectFactory::NewJSForinIterator(const JSHandle<JSTaggedValue> &obj)
{
JSHandle<GlobalEnv> env = vm_->GetGlobalEnv();
JSHandle<JSHClass> dynclass(env->GetForinIteratorClass());
JSHandle<JSForInIterator> it = JSHandle<JSForInIterator>::Cast(NewJSObject(dynclass));
it->SetObject(thread_, obj);
it->SetWasVisited(thread_, JSTaggedValue::False());
it->SetVisitedKeys(thread_, env->GetEmptyTaggedQueue());
it->SetRemainingKeys(thread_, env->GetEmptyTaggedQueue());
return it;
}
JSHandle<JSHClass> ObjectFactory::CreateJSRegExpInstanceClass(JSHandle<JSTaggedValue> proto)
{
const GlobalEnvConstants *globalConst = thread_->GlobalConstants();
JSHandle<JSHClass> regexpDynclass = NewEcmaDynClass(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::MIXED);
attributes.SetOffset(fieldOrder++);
layoutInfoHandle->AddKey(thread_, 0, globalConst->GetLastIndexString(), attributes);
}
{
regexpDynclass->SetAttributes(thread_, layoutInfoHandle);
uint32_t unusedInlinedProps = regexpDynclass->GetUnusedInlinedProps();
ASSERT(unusedInlinedProps >= fieldOrder);
regexpDynclass->SetUnusedInlinedProps(unusedInlinedProps - fieldOrder);
}
return regexpDynclass;
}
JSHandle<JSHClass> ObjectFactory::CreateJSArrayInstanceClass(JSHandle<JSTaggedValue> proto)
{
const GlobalEnvConstants *globalConst = thread_->GlobalConstants();
JSHandle<JSHClass> arrayDynclass = NewEcmaDynClass(JSArray::SIZE, 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::MIXED);
attributes.SetOffset(fieldOrder++);
layoutInfoHandle->AddKey(thread_, 0, globalConst->GetLengthString(), attributes);
}
{
arrayDynclass->SetAttributes(thread_, layoutInfoHandle);
uint32_t unusedInlinedProps = arrayDynclass->GetUnusedInlinedProps();
ASSERT(unusedInlinedProps >= fieldOrder);
arrayDynclass->SetUnusedInlinedProps(unusedInlinedProps - fieldOrder);
}
arrayDynclass->SetIsStableJSArray(true);
arrayDynclass->SetHasConstructor(false);
return arrayDynclass;
}
JSHandle<JSHClass> ObjectFactory::CreateJSArguments()
{
JSHandle<GlobalEnv> env = thread_->GetEcmaVM()->GetGlobalEnv();
const GlobalEnvConstants *globalConst = thread_->GlobalConstants();
JSHandle<JSTaggedValue> proto = env->GetObjectFunctionPrototype();
JSHandle<JSHClass> argumentsDynclass = NewEcmaDynClass(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::MIXED);
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::MIXED);
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::MIXED);
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::MIXED);
attributes.SetOffset(fieldOrder++);
layoutInfoHandle->AddKey(thread_, JSArguments::CALLEE_INLINE_PROPERTY_INDEX,
thread_->GlobalConstants()->GetHandledCalleeString().GetTaggedValue(), attributes);
}
{
argumentsDynclass->SetAttributes(thread_, layoutInfoHandle);
uint32_t unusedInlinedProps = argumentsDynclass->GetUnusedInlinedProps();
ASSERT(unusedInlinedProps >= fieldOrder);
argumentsDynclass->SetUnusedInlinedProps(unusedInlinedProps - fieldOrder);
}
return argumentsDynclass;
}
JSHandle<JSArguments> ObjectFactory::NewJSArguments()
{
NewObjectHook();
JSHandle<GlobalEnv> env = vm_->GetGlobalEnv();
JSHandle<JSHClass> dynclass = JSHandle<JSHClass>::Cast(env->GetArgumentsClass());
JSHandle<JSArguments> obj = JSHandle<JSArguments>::Cast(NewJSObject(dynclass));
return obj;
}
JSHandle<JSObject> ObjectFactory::GetJSError(const ErrorType &errorType, const char *data)
{
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,
"The error type is not in the valid range.");
NewObjectHook();
if (data != nullptr) {
JSHandle<EcmaString> handleMsg = NewFromString(data);
return NewJSError(errorType, handleMsg);
}
JSHandle<EcmaString> emptyString(thread_->GlobalConstants()->GetHandledEmptyString());
return NewJSError(errorType, emptyString);
}
JSHandle<JSObject> ObjectFactory::NewJSError(const ErrorType &errorType, const JSHandle<EcmaString> &message)
{
NewObjectHook();
JSHandle<GlobalEnv> env = vm_->GetGlobalEnv();
const GlobalEnvConstants *globalConst = thread_->GlobalConstants();
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;
default:
nativeConstructor = env->GetErrorFunction();
break;
}
JSHandle<JSFunction> nativeFunc = JSHandle<JSFunction>::Cast(nativeConstructor);
JSHandle<JSTaggedValue> nativePrototype(thread_, nativeFunc->GetFunctionPrototype());
JSHandle<JSTaggedValue> ctorKey = globalConst->GetHandledConstructorString();
array_size_t length = 1;
JSHandle<TaggedArray> array = NewTaggedArray(length);
array->Set(thread_, 0, message.GetTaggedValue());
JSTaggedValue obj = JSFunction::Invoke(thread_, nativePrototype, ctorKey, array);
JSHandle<JSObject> handleNativeInstanceObj(thread_, obj);
return handleNativeInstanceObj;
}
JSHandle<JSObject> ObjectFactory::NewJSObjectByConstructor(const JSHandle<JSFunction> &constructor,
const JSHandle<JSTaggedValue> &newTarget)
{
NewObjectHook();
JSHandle<JSHClass> jshclass;
if (!constructor->HasFunctionPrototype() ||
(constructor->GetProtoOrDynClass().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);
}
RETURN_HANDLE_IF_ABRUPT_COMPLETION(JSObject, thread_);
JSHandle<JSObject> obj = NewJSObject(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_URI_ERROR:
case JSType::JS_SYNTAX_ERROR:
case JSType::JS_ITERATOR:
break;
case JSType::JS_ARRAY: {
JSArray::Cast(*obj)->SetLength(thread_, JSTaggedValue(0));
auto accessor = thread_->GlobalConstants()->GetArrayLengthAccessor();
JSArray::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_INT8_ARRAY:
JSInt8Array::Cast(*obj)->SetViewedArrayBuffer(thread_, JSTaggedValue::Undefined());
JSInt8Array::Cast(*obj)->SetTypedArrayName(thread_, JSTaggedValue::Undefined());
JSInt8Array::Cast(*obj)->SetByteLength(thread_, JSTaggedValue(0));
JSInt8Array::Cast(*obj)->SetByteOffset(thread_, JSTaggedValue(0));
JSInt8Array::Cast(*obj)->SetArrayLength(thread_, JSTaggedValue(0));
break;
case JSType::JS_UINT8_ARRAY:
JSUint8Array::Cast(*obj)->SetViewedArrayBuffer(thread_, JSTaggedValue::Undefined());
JSUint8Array::Cast(*obj)->SetTypedArrayName(thread_, JSTaggedValue::Undefined());
JSUint8Array::Cast(*obj)->SetByteLength(thread_, JSTaggedValue(0));
JSUint8Array::Cast(*obj)->SetByteOffset(thread_, JSTaggedValue(0));
JSUint8Array::Cast(*obj)->SetArrayLength(thread_, JSTaggedValue(0));
break;
case JSType::JS_UINT8_CLAMPED_ARRAY:
JSUint8ClampedArray::Cast(*obj)->SetViewedArrayBuffer(thread_, JSTaggedValue::Undefined());
JSUint8ClampedArray::Cast(*obj)->SetTypedArrayName(thread_, JSTaggedValue::Undefined());
JSUint8ClampedArray::Cast(*obj)->SetByteLength(thread_, JSTaggedValue(0));
JSUint8ClampedArray::Cast(*obj)->SetByteOffset(thread_, JSTaggedValue(0));
JSUint8ClampedArray::Cast(*obj)->SetArrayLength(thread_, JSTaggedValue(0));
break;
case JSType::JS_INT16_ARRAY:
JSInt16Array::Cast(*obj)->SetViewedArrayBuffer(thread_, JSTaggedValue::Undefined());
JSInt16Array::Cast(*obj)->SetTypedArrayName(thread_, JSTaggedValue::Undefined());
JSInt16Array::Cast(*obj)->SetByteLength(thread_, JSTaggedValue(0));
JSInt16Array::Cast(*obj)->SetByteOffset(thread_, JSTaggedValue(0));
JSInt16Array::Cast(*obj)->SetArrayLength(thread_, JSTaggedValue(0));
break;
case JSType::JS_UINT16_ARRAY:
JSUint16Array::Cast(*obj)->SetViewedArrayBuffer(thread_, JSTaggedValue::Undefined());
JSUint16Array::Cast(*obj)->SetTypedArrayName(thread_, JSTaggedValue::Undefined());
JSUint16Array::Cast(*obj)->SetByteLength(thread_, JSTaggedValue(0));
JSUint16Array::Cast(*obj)->SetByteOffset(thread_, JSTaggedValue(0));
JSUint16Array::Cast(*obj)->SetArrayLength(thread_, JSTaggedValue(0));
break;
case JSType::JS_INT32_ARRAY:
JSInt32Array::Cast(*obj)->SetViewedArrayBuffer(thread_, JSTaggedValue::Undefined());
JSInt32Array::Cast(*obj)->SetTypedArrayName(thread_, JSTaggedValue::Undefined());
JSInt32Array::Cast(*obj)->SetByteLength(thread_, JSTaggedValue(0));
JSInt32Array::Cast(*obj)->SetByteOffset(thread_, JSTaggedValue(0));
JSInt32Array::Cast(*obj)->SetArrayLength(thread_, JSTaggedValue(0));
break;
case JSType::JS_UINT32_ARRAY:
JSUint32Array::Cast(*obj)->SetViewedArrayBuffer(thread_, JSTaggedValue::Undefined());
JSUint32Array::Cast(*obj)->SetTypedArrayName(thread_, JSTaggedValue::Undefined());
JSUint32Array::Cast(*obj)->SetByteLength(thread_, JSTaggedValue(0));
JSUint32Array::Cast(*obj)->SetByteOffset(thread_, JSTaggedValue(0));
JSUint32Array::Cast(*obj)->SetArrayLength(thread_, JSTaggedValue(0));
break;
case JSType::JS_FLOAT32_ARRAY:
JSFloat32Array::Cast(*obj)->SetViewedArrayBuffer(thread_, JSTaggedValue::Undefined());
JSFloat32Array::Cast(*obj)->SetTypedArrayName(thread_, JSTaggedValue::Undefined());
JSFloat32Array::Cast(*obj)->SetByteLength(thread_, JSTaggedValue(0));
JSFloat32Array::Cast(*obj)->SetByteOffset(thread_, JSTaggedValue(0));
JSFloat32Array::Cast(*obj)->SetArrayLength(thread_, JSTaggedValue(0));
break;
case JSType::JS_FLOAT64_ARRAY:
JSFloat64Array::Cast(*obj)->SetViewedArrayBuffer(thread_, JSTaggedValue::Undefined());
JSFloat64Array::Cast(*obj)->SetTypedArrayName(thread_, JSTaggedValue::Undefined());
JSFloat64Array::Cast(*obj)->SetByteLength(thread_, JSTaggedValue(0));
JSFloat64Array::Cast(*obj)->SetByteOffset(thread_, JSTaggedValue(0));
JSFloat64Array::Cast(*obj)->SetArrayLength(thread_, JSTaggedValue(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)->SetLength(thread_, JSTaggedValue(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_MAP:
JSMap::Cast(*obj)->SetLinkedMap(thread_, JSTaggedValue::Undefined());
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_GENERATOR_OBJECT:
JSGeneratorObject::Cast(*obj)->SetGeneratorState(thread_, JSTaggedValue::Undefined());
JSGeneratorObject::Cast(*obj)->SetGeneratorContext(thread_, JSTaggedValue::Undefined());
JSGeneratorObject::Cast(*obj)->SetResumeResult(thread_, JSTaggedValue::Undefined());
JSGeneratorObject::Cast(*obj)->SetResumeMode(thread_, JSTaggedValue::Undefined());
break;
case JSType::JS_STRING_ITERATOR:
JSStringIterator::Cast(*obj)->SetStringIteratorNextIndex(thread_, JSTaggedValue(0));
JSStringIterator::Cast(*obj)->SetIteratedString(thread_, JSTaggedValue::Undefined());
break;
case JSType::JS_ARRAY_BUFFER:
JSArrayBuffer::Cast(*obj)->SetArrayBufferByteLength(thread_, JSTaggedValue(0));
JSArrayBuffer::Cast(*obj)->SetArrayBufferData(thread_, JSTaggedValue::Undefined());
break;
case JSType::JS_PROMISE:
JSPromise::Cast(*obj)->SetPromiseState(thread_,
JSTaggedValue(static_cast<int32_t>(PromiseStatus::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(thread_, JSTaggedValue::Undefined());
break;
case JSType::JS_DATA_VIEW:
JSDataView::Cast(*obj)->SetDataView(thread_, JSTaggedValue(false));
JSDataView::Cast(*obj)->SetViewedArrayBuffer(thread_, JSTaggedValue::Undefined());
JSDataView::Cast(*obj)->SetByteLength(thread_, JSTaggedValue(0));
JSDataView::Cast(*obj)->SetByteOffset(thread_, JSTaggedValue(0));
break;
case JSType::JS_FUNCTION:
case JSType::JS_GENERATOR_FUNCTION:
case JSType::JS_FORIN_ITERATOR:
case JSType::JS_MAP_ITERATOR:
case JSType::JS_SET_ITERATOR:
case JSType::JS_ARRAY_ITERATOR:
default:
UNREACHABLE();
}
}
return obj;
}
FreeObject *ObjectFactory::FillFreeObject(uintptr_t address, size_t size, RemoveSlots removeSlots)
{
FreeObject *object = nullptr;
if (size >= FreeObject::SIZE_OFFSET && size < FreeObject::SIZE) {
object = reinterpret_cast<FreeObject *>(address);
object->SetClass(freeObjectWithOneFieldClass_);
} else if (size >= FreeObject::SIZE) {
object = reinterpret_cast<FreeObject *>(address);
object->SetClass(freeObjectWithTwoFieldClass_);
object->SetAvailable(size);
} else if (size == FreeObject::NEXT_OFFSET) {
object = reinterpret_cast<FreeObject *>(address);
object->SetClass(freeObjectWithNoneFieldClass_);
} else {
LOG_ECMA(INFO) << "Fill free object size is smaller";
}
if (removeSlots == RemoveSlots::YES) {
Region *region = Region::ObjectAddressToRange(object);
if (!region->InYoungGeneration()) {
heap_->ClearSlotsRange(region, address, address + size);
}
}
return object;
}
TaggedObject *ObjectFactory::NewDynObject(const JSHandle<JSHClass> &dynclass, int inobjPropCount)
{
TaggedObject *header = heapHelper_.AllocateYoungGenerationOrLargeObject(*dynclass);
if (inobjPropCount > 0) {
InitializeExtraProperties(dynclass, header, inobjPropCount);
}
return header;
}
TaggedObject *ObjectFactory::NewNonMovableDynObject(const JSHandle<JSHClass> &dynclass, int inobjPropCount)
{
TaggedObject *header = heapHelper_.AllocateNonMovableOrLargeObject(*dynclass);
if (inobjPropCount > 0) {
InitializeExtraProperties(dynclass, header, inobjPropCount);
}
return header;
}
void ObjectFactory::InitializeExtraProperties(const JSHandle<JSHClass> &dynclass, TaggedObject *obj, int inobjPropCount)
{
ASSERT(inobjPropCount * JSTaggedValue::TaggedTypeSize() < dynclass->GetObjectSize());
auto paddr = reinterpret_cast<uintptr_t>(obj) + dynclass->GetObjectSize();
JSTaggedType initVal = JSTaggedValue::Undefined().GetRawData();
for (int i = 0; i < inobjPropCount; ++i) {
paddr -= JSTaggedValue::TaggedTypeSize();
*reinterpret_cast<JSTaggedType *>(paddr) = initVal;
}
}
JSHandle<JSObject> ObjectFactory::OrdinaryNewJSObjectCreate(const JSHandle<JSTaggedValue> &proto)
{
NewObjectHook();
JSHandle<JSTaggedValue> protoValue(proto);
JSHandle<JSHClass> protoDyn = NewEcmaDynClass(JSObject::SIZE, JSType::JS_OBJECT, protoValue);
JSHandle<JSObject> newObj = NewJSObject(protoDyn);
newObj->GetJSHClass()->SetExtensible(true);
return newObj;
}
JSHandle<JSFunction> ObjectFactory::NewJSFunction(const JSHandle<GlobalEnv> &env, const void *nativeFunc,
FunctionKind kind)
{
JSMethod *target = vm_->GetMethodForNativeFunction(nativeFunc);
return NewJSFunction(env, target, kind);
}
JSHandle<JSFunction> ObjectFactory::NewJSFunction(const JSHandle<GlobalEnv> &env, JSMethod *method, FunctionKind kind)
{
NewObjectHook();
JSHandle<JSHClass> dynclass;
if (kind == FunctionKind::BASE_CONSTRUCTOR) {
dynclass = JSHandle<JSHClass>::Cast(env->GetFunctionClassWithProto());
} else if (JSFunction::IsConstructorKind(kind)) {
dynclass = JSHandle<JSHClass>::Cast(env->GetConstructorFunctionClass());
} else {
dynclass = JSHandle<JSHClass>::Cast(env->GetNormalFunctionClass());
}
return NewJSFunctionByDynClass(method, dynclass, kind);
}
JSHandle<JSHClass> ObjectFactory::CreateFunctionClass(FunctionKind kind, uint32_t size, JSType type,
const JSHandle<JSTaggedValue> &prototype)
{
const GlobalEnvConstants *globalConst = thread_->GlobalConstants();
JSHandle<JSHClass> functionClass = NewEcmaDynClass(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::MIXED);
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::MIXED);
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::MIXED);
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::MIXED);
attributes.SetOffset(fieldOrder);
layoutInfoHandle->AddKey(thread_, fieldOrder, globalConst->GetPrototypeString(), attributes);
fieldOrder++;
}
{
functionClass->SetAttributes(thread_, layoutInfoHandle);
uint32_t unusedInlinedProps = functionClass->GetUnusedInlinedProps();
ASSERT(unusedInlinedProps >= fieldOrder);
functionClass->SetUnusedInlinedProps(unusedInlinedProps - fieldOrder);
}
return functionClass;
}
JSHandle<JSFunction> ObjectFactory::NewJSFunctionByDynClass(JSMethod *method, const JSHandle<JSHClass> &clazz,
FunctionKind kind)
{
NewObjectHook();
JSHandle<JSFunction> function = JSHandle<JSFunction>::Cast(NewJSObject(clazz));
clazz->SetCallable(true);
clazz->SetExtensible(true);
JSFunction::InitializeJSFunction(thread_, function, kind);
function->SetCallTarget(thread_, method);
return function;
}
JSHandle<JSFunction> ObjectFactory::NewJSNativeErrorFunction(const JSHandle<GlobalEnv> &env, const void *nativeFunc)
{
NewObjectHook();
JSMethod *target = vm_->GetMethodForNativeFunction(nativeFunc);
JSHandle<JSHClass> dynclass = JSHandle<JSHClass>::Cast(env->GetNativeErrorFunctionClass());
return NewJSFunctionByDynClass(target, dynclass, FunctionKind::BUILTIN_CONSTRUCTOR);
}
JSHandle<JSFunction> ObjectFactory::NewSpecificTypedArrayFunction(const JSHandle<GlobalEnv> &env,
const void *nativeFunc)
{
NewObjectHook();
JSMethod *target = vm_->GetMethodForNativeFunction(nativeFunc);
JSHandle<JSHClass> dynclass = JSHandle<JSHClass>::Cast(env->GetSpecificTypedArrayFunctionClass());
return NewJSFunctionByDynClass(target, dynclass, FunctionKind::BUILTIN_CONSTRUCTOR);
}
JSHandle<JSBoundFunction> ObjectFactory::NewJSBoundFunction(const JSHandle<JSFunctionBase> &target,
const JSHandle<JSTaggedValue> &boundThis,
const JSHandle<TaggedArray> &args)
{
NewObjectHook();
JSHandle<GlobalEnv> env = vm_->GetGlobalEnv();
JSHandle<JSTaggedValue> proto = env->GetFunctionPrototype();
JSHandle<JSHClass> dynclass = NewEcmaDynClass(JSBoundFunction::SIZE, JSType::JS_BOUND_FUNCTION, proto);
JSHandle<JSBoundFunction> bundleFunction = JSHandle<JSBoundFunction>::Cast(NewJSObject(dynclass));
bundleFunction->SetBoundTarget(thread_, target);
bundleFunction->SetBoundThis(thread_, boundThis);
bundleFunction->SetBoundArguments(thread_, args);
dynclass->SetCallable(true);
if (target.GetTaggedValue().IsConstructor()) {
bundleFunction->SetConstructor(true);
}
JSMethod *method =
vm_->GetMethodForNativeFunction(reinterpret_cast<void *>(builtins::BuiltinsGlobal::CallJsBoundFunction));
bundleFunction->SetCallTarget(thread_, method);
return bundleFunction;
}
JSHandle<JSProxyRevocFunction> ObjectFactory::NewJSProxyRevocFunction(const JSHandle<JSProxy> &proxy,
const void *nativeFunc)
{
NewObjectHook();
JSHandle<GlobalEnv> env = vm_->GetGlobalEnv();
const GlobalEnvConstants *globalConst = thread_->GlobalConstants();
JSHandle<JSHClass> dynclass = JSHandle<JSHClass>::Cast(env->GetProxyRevocFunctionClass());
JSHandle<JSProxyRevocFunction> revocFunction = JSHandle<JSProxyRevocFunction>::Cast(NewJSObject(dynclass));
revocFunction->SetRevocableProxy(thread_, proxy);
JSMethod *target = vm_->GetMethodForNativeFunction(nativeFunc);
revocFunction->SetCallTarget(thread_, target);
JSHandle<JSFunction> function = JSHandle<JSFunction>::Cast(revocFunction);
JSFunction::InitializeJSFunction(thread_, function, FunctionKind::NORMAL_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 revocFunction;
}
JSHandle<JSAsyncAwaitStatusFunction> ObjectFactory::NewJSAsyncAwaitStatusFunction(const void *nativeFunc)
{
NewObjectHook();
JSHandle<GlobalEnv> env = vm_->GetGlobalEnv();
JSHandle<JSHClass> dynclass = JSHandle<JSHClass>::Cast(env->GetAsyncAwaitStatusFunctionClass());
JSHandle<JSAsyncAwaitStatusFunction> awaitFunction =
JSHandle<JSAsyncAwaitStatusFunction>::Cast(NewJSObject(dynclass));
JSFunction::InitializeJSFunction(thread_, JSHandle<JSFunction>::Cast(awaitFunction));
JSMethod *target = vm_->GetMethodForNativeFunction(nativeFunc);
awaitFunction->SetCallTarget(thread_, target);
return awaitFunction;
}
JSHandle<JSFunction> ObjectFactory::NewJSGeneratorFunction(JSMethod *method)
{
NewObjectHook();
JSHandle<GlobalEnv> env = vm_->GetGlobalEnv();
JSHandle<JSHClass> dynclass = JSHandle<JSHClass>::Cast(env->GetGeneratorFunctionClass());
JSHandle<JSFunction> generatorFunc = JSHandle<JSFunction>::Cast(NewJSObject(dynclass));
JSFunction::InitializeJSFunction(thread_, generatorFunc, FunctionKind::GENERATOR_FUNCTION);
generatorFunc->SetCallTarget(thread_, method);
return generatorFunc;
}
JSHandle<JSGeneratorObject> ObjectFactory::NewJSGeneratorObject(JSHandle<JSTaggedValue> generatorFunction)
{
NewObjectHook();
JSHandle<JSTaggedValue> proto(thread_, JSHandle<JSFunction>::Cast(generatorFunction)->GetProtoOrDynClass());
if (!proto->IsECMAObject()) {
JSHandle<GlobalEnv> realmHandle = JSObject::GetFunctionRealm(thread_, generatorFunction);
proto = realmHandle->GetGeneratorPrototype();
}
JSHandle<JSHClass> dynclass = NewEcmaDynClass(JSGeneratorObject::SIZE, JSType::JS_GENERATOR_OBJECT, proto);
JSHandle<JSGeneratorObject> generatorObject = JSHandle<JSGeneratorObject>::Cast(NewJSObject(dynclass));
return generatorObject;
}
JSHandle<JSAsyncFunction> ObjectFactory::NewAsyncFunction(JSMethod *method)
{
NewObjectHook();
JSHandle<GlobalEnv> env = vm_->GetGlobalEnv();
JSHandle<JSHClass> dynclass = JSHandle<JSHClass>::Cast(env->GetAsyncFunctionClass());
JSHandle<JSAsyncFunction> asyncFunction = JSHandle<JSAsyncFunction>::Cast(NewJSObject(dynclass));
JSFunction::InitializeJSFunction(thread_, JSHandle<JSFunction>::Cast(asyncFunction));
asyncFunction->SetCallTarget(thread_, method);
return asyncFunction;
}
JSHandle<JSAsyncFuncObject> ObjectFactory::NewJSAsyncFuncObject()
{
NewObjectHook();
JSHandle<GlobalEnv> env = vm_->GetGlobalEnv();
JSHandle<JSTaggedValue> proto = env->GetInitialGenerator();
JSHandle<JSHClass> dynclass = NewEcmaDynClass(JSAsyncFuncObject::SIZE, JSType::JS_ASYNC_FUNC_OBJECT, proto);
JSHandle<JSAsyncFuncObject> asyncFuncObject = JSHandle<JSAsyncFuncObject>::Cast(NewJSObject(dynclass));
return asyncFuncObject;
}
JSHandle<CompletionRecord> ObjectFactory::NewCompletionRecord(uint8_t type, JSHandle<JSTaggedValue> value)
{
NewObjectHook();
TaggedObject *header = heapHelper_.AllocateYoungGenerationOrLargeObject(completionRecordClass_);
JSHandle<CompletionRecord> obj(thread_, header);
obj->SetType(thread_, JSTaggedValue(static_cast<int32_t>(type)));
obj->SetValue(thread_, value);
return obj;
}
JSHandle<GeneratorContext> ObjectFactory::NewGeneratorContext()
{
NewObjectHook();
TaggedObject *header = heapHelper_.AllocateYoungGenerationOrLargeObject(generatorContextClass_);
JSHandle<GeneratorContext> obj(thread_, header);
obj->SetRegsArray(thread_, JSTaggedValue::Undefined());
obj->SetMethod(thread_, JSTaggedValue::Undefined());
obj->SetAcc(thread_, JSTaggedValue::Undefined());
obj->SetNRegs(thread_, JSTaggedValue::Undefined());
obj->SetBCOffset(thread_, JSTaggedValue::Undefined());
obj->SetGeneratorObject(thread_, JSTaggedValue::Undefined());
obj->SetLexicalEnv(thread_, JSTaggedValue::Undefined());
return obj;
}
JSHandle<JSPrimitiveRef> ObjectFactory::NewJSPrimitiveRef(const JSHandle<JSFunction> &function,
const JSHandle<JSTaggedValue> &object)
{
NewObjectHook();
JSHandle<JSPrimitiveRef> obj(NewJSObjectByConstructor(function, JSHandle<JSTaggedValue>(function)));
obj->SetValue(thread_, object);
JSHandle<GlobalEnv> env = vm_->GetGlobalEnv();
const GlobalEnvConstants *globalConst = thread_->GlobalConstants();
if (function.GetTaggedValue() == env->GetStringFunction().GetTaggedValue()) {
JSHandle<JSTaggedValue> lengthStr = globalConst->GetHandledLengthString();
int32_t length = EcmaString::Cast(object.GetTaggedValue().GetTaggedObject())->GetLength();
PropertyDescriptor desc(thread_, JSHandle<JSTaggedValue>(thread_, JSTaggedValue(length)), false, false, false);
JSTaggedValue::DefinePropertyOrThrow(thread_, JSHandle<JSTaggedValue>(obj), lengthStr, desc);
}
return obj;
}
JSHandle<JSPrimitiveRef> ObjectFactory::NewJSPrimitiveRef(PrimitiveType type, const JSHandle<JSTaggedValue> &object)
{
NewObjectHook();
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;
default:
break;
}
JSHandle<JSFunction> funcHandle(function);
return factory->NewJSPrimitiveRef(funcHandle, object);
}
JSHandle<JSPrimitiveRef> ObjectFactory::NewJSString(const JSHandle<JSTaggedValue> &str)
{
NewObjectHook();
JSHandle<GlobalEnv> env = vm_->GetGlobalEnv();
JSHandle<JSTaggedValue> stringFunc = env->GetStringFunction();
JSHandle<JSPrimitiveRef> obj =
JSHandle<JSPrimitiveRef>::Cast(NewJSObjectByConstructor(JSHandle<JSFunction>(stringFunc), stringFunc));
obj->SetValue(thread_, str, SKIP_BARRIER);
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 = heapHelper_.AllocateNonMovableOrLargeObject(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 = heapHelper_.AllocateYoungGenerationOrLargeObject(envClass_, size);
JSHandle<LexicalEnv> array(thread_, header);
array->InitializeWithSpecialValue(JSTaggedValue::Undefined(), numSlots + LexicalEnv::RESERVED_ENV_LENGTH);
return array;
}
JSHandle<JSSymbol> ObjectFactory::NewJSSymbol()
{
NewObjectHook();
TaggedObject *header = heapHelper_.AllocateYoungGenerationOrLargeObject(symbolClass_);
JSHandle<JSSymbol> obj(thread_, JSSymbol::Cast(header));
obj->SetDescription(thread_, JSTaggedValue::Undefined());
obj->SetFlags(thread_, JSTaggedValue(0));
auto result = JSTaggedValue(SymbolTable::Hash(obj.GetTaggedValue()));
obj->SetHashField(thread_, result);
return obj;
}
JSHandle<JSSymbol> ObjectFactory::NewPrivateSymbol()
{
JSHandle<JSSymbol> obj = NewJSSymbol();
obj->SetPrivate(thread_);
return obj;
}
JSHandle<JSSymbol> ObjectFactory::NewPrivateNameSymbol(const JSHandle<JSTaggedValue> &name)
{
NewObjectHook();
TaggedObject *header = heapHelper_.AllocateYoungGenerationOrLargeObject(symbolClass_);
JSHandle<JSSymbol> obj(thread_, JSSymbol::Cast(header));
obj->SetFlags(thread_, JSTaggedValue(0));
obj->SetPrivateNameSymbol(thread_);
obj->SetDescription(thread_, name);
auto result = JSTaggedValue(SymbolTable::Hash(name.GetTaggedValue()));
obj->SetHashField(thread_, result);
return obj;
}
JSHandle<JSSymbol> ObjectFactory::NewWellKnownSymbol(const JSHandle<JSTaggedValue> &name)
{
NewObjectHook();
TaggedObject *header = heapHelper_.AllocateYoungGenerationOrLargeObject(symbolClass_);
JSHandle<JSSymbol> obj(thread_, JSSymbol::Cast(header));
obj->SetFlags(thread_, JSTaggedValue(0));
obj->SetWellKnownSymbol(thread_);
obj->SetDescription(thread_, name);
auto result = JSTaggedValue(SymbolTable::Hash(name.GetTaggedValue()));
obj->SetHashField(thread_, result);
return obj;
}
JSHandle<JSSymbol> ObjectFactory::NewPublicSymbol(const JSHandle<JSTaggedValue> &name)
{
NewObjectHook();
TaggedObject *header = heapHelper_.AllocateYoungGenerationOrLargeObject(symbolClass_);
JSHandle<JSSymbol> obj(thread_, JSSymbol::Cast(header));
obj->SetFlags(thread_, JSTaggedValue(0));
obj->SetDescription(thread_, name);
auto result = JSTaggedValue(SymbolTable::Hash(name.GetTaggedValue()));
obj->SetHashField(thread_, result);
return obj;
}
JSHandle<JSSymbol> ObjectFactory::NewSymbolWithTable(const JSHandle<JSTaggedValue> &name)
{
NewObjectHook();
JSHandle<GlobalEnv> env = vm_->GetGlobalEnv();
JSHandle<SymbolTable> tableHandle(env->GetRegisterSymbols());
if (tableHandle->ContainsKey(thread_, 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);
SymbolTable *table = SymbolTable::Insert(thread_, tableHandle, keyHandle, valueHandle);
env->SetRegisterSymbols(thread_, JSTaggedValue(table));
return obj;
}
JSHandle<JSSymbol> ObjectFactory::NewPrivateNameSymbolWithChar(const char *description)
{
NewObjectHook();
JSHandle<EcmaString> string = NewFromString(description);
return NewPrivateNameSymbol(JSHandle<JSTaggedValue>(string));
}
JSHandle<JSSymbol> ObjectFactory::NewWellKnownSymbolWithChar(const char *description)
{
NewObjectHook();
JSHandle<EcmaString> string = NewFromString(description);
return NewWellKnownSymbol(JSHandle<JSTaggedValue>(string));
}
JSHandle<JSSymbol> ObjectFactory::NewPublicSymbolWithChar(const char *description)
{
NewObjectHook();
JSHandle<EcmaString> string = NewFromString(description);
return NewPublicSymbol(JSHandle<JSTaggedValue>(string));
}
JSHandle<JSSymbol> ObjectFactory::NewSymbolWithTableWithChar(const char *description)
{
NewObjectHook();
JSHandle<EcmaString> string = NewFromString(description);
return NewSymbolWithTable(JSHandle<JSTaggedValue>(string));
}
JSHandle<AccessorData> ObjectFactory::NewAccessorData()
{
NewObjectHook();
TaggedObject *header = heapHelper_.AllocateYoungGenerationOrLargeObject(accessorDataClass_);
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 = heapHelper_.AllocateNonMovableOrLargeObject(internalAccessorClass_);
JSHandle<AccessorData> obj(thread_, AccessorData::Cast(header));
if (setter != nullptr) {
JSHandle<JSNativePointer> setFunc = NewJSNativePointer(setter, true);
obj->SetSetter(thread_, setFunc.GetTaggedValue());
} else {
JSTaggedValue setFunc = JSTaggedValue::Undefined();
obj->SetSetter(thread_, setFunc);
ASSERT(!obj->HasSetter());
}
JSHandle<JSNativePointer> getFunc = NewJSNativePointer(getter, true);
obj->SetGetter(thread_, getFunc);
return obj;
}
JSHandle<PromiseCapability> ObjectFactory::NewPromiseCapability()
{
NewObjectHook();
TaggedObject *header = heapHelper_.AllocateYoungGenerationOrLargeObject(capabilityRecordClass_);
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 = heapHelper_.AllocateYoungGenerationOrLargeObject(reactionsRecordClass_);
JSHandle<PromiseReaction> obj(thread_, header);
obj->SetPromiseCapability(thread_, JSTaggedValue::Undefined());
obj->SetHandler(thread_, JSTaggedValue::Undefined());
obj->SetType(thread_, JSTaggedValue::Undefined());
return obj;
}
JSHandle<PromiseIteratorRecord> ObjectFactory::NewPromiseIteratorRecord(const JSHandle<JSTaggedValue> &itor,
const JSHandle<JSTaggedValue> &done)
{
NewObjectHook();
TaggedObject *header = heapHelper_.AllocateYoungGenerationOrLargeObject(promiseIteratorRecordClass_);
JSHandle<PromiseIteratorRecord> obj(thread_, header);
obj->SetIterator(thread_, itor.GetTaggedValue());
obj->SetDone(thread_, done.GetTaggedValue());
return obj;
}
JSHandle<job::MicroJobQueue> ObjectFactory::NewMicroJobQueue()
{
NewObjectHook();
TaggedObject *header = heapHelper_.AllocateNonMovableOrLargeObject(microJobQueueClass_);
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 = heapHelper_.AllocateYoungGenerationOrLargeObject(pendingJobClass_);
JSHandle<job::PendingJob> obj(thread_, header);
obj->SetJob(thread_, func.GetTaggedValue());
obj->SetArguments(thread_, argv.GetTaggedValue());
return obj;
}
JSHandle<JSFunctionExtraInfo> ObjectFactory::NewFunctionExtraInfo(const JSHandle<JSNativePointer> &callBack,
const JSHandle<JSNativePointer> &data)
{
NewObjectHook();
TaggedObject *header = heapHelper_.AllocateYoungGenerationOrLargeObject(functionExtraInfo_);
JSHandle<JSFunctionExtraInfo> obj(thread_, header);
obj->SetCallback(thread_, callBack.GetTaggedValue());
obj->SetData(thread_, data.GetTaggedValue());
return obj;
}
JSHandle<JSProxy> ObjectFactory::NewJSProxy(const JSHandle<JSTaggedValue> &target,
const JSHandle<JSTaggedValue> &handler)
{
NewObjectHook();
TaggedObject *header = nullptr;
if (target->IsCallable()) {
header = target->IsConstructor() ? heapHelper_.AllocateYoungGenerationOrLargeObject(jsProxyConstructClass_)
: heapHelper_.AllocateYoungGenerationOrLargeObject(jsProxyCallableClass_);
} else {
header = heapHelper_.AllocateYoungGenerationOrLargeObject(jsProxyOrdinaryClass_);
}
JSHandle<JSProxy> proxy(thread_, header);
JSMethod *method = nullptr;
if (target->IsCallable()) {
JSMethod *nativeMethod =
vm_->GetMethodForNativeFunction(reinterpret_cast<void *>(builtins::BuiltinsGlobal::CallJsProxy));
proxy->SetCallTarget(thread_, nativeMethod);
}
proxy->SetMethod(method);
proxy->SetTarget(thread_, target.GetTaggedValue());
proxy->SetHandler(thread_, handler.GetTaggedValue());
return proxy;
}
JSHandle<JSRealm> ObjectFactory::NewJSRealm()
{
NewObjectHook();
JSHandle<GlobalEnv> env = vm_->GetGlobalEnv();
JSHandle<JSHClass> dynClassClassHandle = NewEcmaDynClass(nullptr, JSHClass::SIZE, JSType::HCLASS);
JSHClass *dynclass = reinterpret_cast<JSHClass *>(dynClassClassHandle.GetTaggedValue().GetTaggedObject());
dynclass->SetClass(dynclass);
JSHandle<JSHClass> realmEnvClass = NewEcmaDynClass(*dynClassClassHandle, GlobalEnv::SIZE, JSType::GLOBAL_ENV);
JSHandle<GlobalEnv> realmEnvHandle = NewGlobalEnv(*realmEnvClass);
ObtainRootClass(env);
realmEnvHandle->SetEmptyArray(thread_, NewEmptyArray());
realmEnvHandle->SetEmptyTaggedQueue(thread_, NewTaggedQueue(0));
realmEnvHandle->SetTemplateMap(thread_, JSTaggedValue(TemplateMap::Create(thread_)));
Builtins builtins;
builtins.Initialize(realmEnvHandle, thread_);
JSHandle<JSTaggedValue> protoValue = thread_->GlobalConstants()->GetHandledJSRealmClass();
JSHandle<JSHClass> dynHandle = NewEcmaDynClass(JSRealm::SIZE, JSType::JS_REALM, protoValue);
JSHandle<JSRealm> realm(NewJSObject(dynHandle));
realm->SetGlobalEnv(thread_, realmEnvHandle.GetTaggedValue());
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::NewEmptyArray()
{
NewObjectHook();
auto header = heapHelper_.AllocateNonMovableOrLargeObject(arrayClass_, sizeof(TaggedArray));
JSHandle<TaggedArray> array(thread_, header);
array->SetLength(0);
return array;
}
JSHandle<TaggedArray> ObjectFactory::NewTaggedArray(array_size_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(array_size_t length, JSTaggedValue initVal, MemSpaceType spaceType)
{
NewObjectHook();
if (length == 0) {
return EmptyArray();
}
size_t size = TaggedArray::ComputeSize(JSTaggedValue::TaggedTypeSize(), length);
TaggedObject *header = nullptr;
switch (spaceType) {
case MemSpaceType::SEMI_SPACE:
header = heapHelper_.AllocateYoungGenerationOrLargeObject(arrayClass_, size);
break;
case MemSpaceType::OLD_SPACE:
header = heapHelper_.AllocateOldGenerationOrLargeObject(arrayClass_, size);
break;
case MemSpaceType::NON_MOVABLE:
header = heapHelper_.AllocateNonMovableOrLargeObject(arrayClass_, size);
break;
default:
UNREACHABLE();
}
JSHandle<TaggedArray> array(thread_, header);
array->InitializeWithSpecialValue(initVal, length);
return array;
}
JSHandle<TaggedArray> ObjectFactory::NewTaggedArray(array_size_t length, JSTaggedValue initVal)
{
NewObjectHook();
if (length == 0) {
return EmptyArray();
}
size_t size = TaggedArray::ComputeSize(JSTaggedValue::TaggedTypeSize(), length);
auto header = heapHelper_.AllocateYoungGenerationOrLargeObject(arrayClass_, size);
JSHandle<TaggedArray> array(thread_, header);
array->InitializeWithSpecialValue(initVal, length);
return array;
}
JSHandle<TaggedArray> ObjectFactory::NewDictionaryArray(array_size_t length)
{
NewObjectHook();
ASSERT(length > 0);
size_t size = TaggedArray::ComputeSize(JSTaggedValue::TaggedTypeSize(), length);
auto header = heapHelper_.AllocateYoungGenerationOrLargeObject(dictionaryClass_, size);
JSHandle<TaggedArray> array(thread_, header);
array->InitializeWithSpecialValue(JSTaggedValue::Undefined(), length);
return array;
}
JSHandle<TaggedArray> ObjectFactory::ExtendArray(const JSHandle<TaggedArray> &old, array_size_t length,
JSTaggedValue initVal)
{
ASSERT(length > old->GetLength());
NewObjectHook();
size_t size = TaggedArray::ComputeSize(JSTaggedValue::TaggedTypeSize(), length);
auto header = heapHelper_.AllocateYoungGenerationOrLargeObject(arrayClass_, size);
JSHandle<TaggedArray> newArray(thread_, header);
newArray->SetLength(length);
array_size_t oldLength = old->GetLength();
for (array_size_t i = 0; i < oldLength; i++) {
JSTaggedValue value = old->Get(i);
newArray->Set(thread_, i, value);
}
for (array_size_t i = oldLength; i < length; i++) {
newArray->Set(thread_, i, initVal);
}
return newArray;
}
JSHandle<TaggedArray> ObjectFactory::CopyPartArray(const JSHandle<TaggedArray> &old, array_size_t start,
array_size_t end)
{
ASSERT(start <= end);
ASSERT(end <= old->GetLength());
array_size_t newLength = end - start;
if (newLength == 0) {
return EmptyArray();
}
NewObjectHook();
size_t size = TaggedArray::ComputeSize(JSTaggedValue::TaggedTypeSize(), newLength);
auto header = heapHelper_.AllocateYoungGenerationOrLargeObject(arrayClass_, size);
JSHandle<TaggedArray> newArray(thread_, header);
newArray->SetLength(newLength);
for (array_size_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,
[[maybe_unused]] array_size_t oldLength, array_size_t newLength,
JSTaggedValue initVal)
{
if (newLength == 0) {
return EmptyArray();
}
if (newLength > oldLength) {
return ExtendArray(old, newLength, initVal);
}
NewObjectHook();
size_t size = TaggedArray::ComputeSize(JSTaggedValue::TaggedTypeSize(), newLength);
auto header = heapHelper_.AllocateYoungGenerationOrLargeObject(arrayClass_, size);
JSHandle<TaggedArray> newArray(thread_, header);
newArray->SetLength(newLength);
for (array_size_t i = 0; i < newLength; i++) {
JSTaggedValue value = old->Get(i);
newArray->Set(thread_, i, value);
}
return newArray;
}
JSHandle<LayoutInfo> ObjectFactory::CreateLayoutInfo(int properties, JSTaggedValue initVal)
{
int arrayLength = LayoutInfo::ComputeArrayLength(LayoutInfo::ComputeGrowCapacity(properties));
JSHandle<LayoutInfo> layoutInfoHandle = JSHandle<LayoutInfo>::Cast(NewTaggedArray(arrayLength, initVal));
layoutInfoHandle->SetNumberOfElements(thread_, 0);
return layoutInfoHandle;
}
JSHandle<LayoutInfo> ObjectFactory::ExtendLayoutInfo(const JSHandle<LayoutInfo> &old, int properties,
JSTaggedValue initVal)
{
ASSERT(properties > old->NumberOfElements());
NewObjectHook();
int arrayLength = LayoutInfo::ComputeArrayLength(LayoutInfo::ComputeGrowCapacity(properties));
return JSHandle<LayoutInfo>(ExtendArray(JSHandle<TaggedArray>(old), arrayLength, initVal));
}
JSHandle<LayoutInfo> ObjectFactory::CopyLayoutInfo(const JSHandle<LayoutInfo> &old)
{
NewObjectHook();
int 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)
{
NewObjectHook();
ASSERT(capacity >= end);
JSHandle<LayoutInfo> newArr = CreateLayoutInfo(capacity);
Span<struct Properties> sp(old->GetProperties(), end);
int i = 0;
for (; i < end; i++) {
newArr->AddKey(thread_, i, sp[i].key_, PropertyAttributes(sp[i].attr_));
}
return newArr;
}
JSHandle<ConstantPool> ObjectFactory::NewConstantPool(uint32_t capacity)
{
NewObjectHook();
if (capacity == 0) {
return JSHandle<ConstantPool>::Cast(EmptyArray());
}
size_t size = TaggedArray::ComputeSize(JSTaggedValue::TaggedTypeSize(), capacity);
auto header = heapHelper_.AllocateNonMovableOrLargeObject(arrayClass_, size);
JSHandle<ConstantPool> array(thread_, header);
array->InitializeWithSpecialValue(JSTaggedValue::Undefined(), capacity);
return array;
}
JSHandle<Program> ObjectFactory::NewProgram()
{
NewObjectHook();
TaggedObject *header = heapHelper_.AllocateYoungGenerationOrLargeObject(programClass_);
JSHandle<Program> p(thread_, header);
p->SetLocation(thread_, JSTaggedValue::Undefined());
p->SetConstantPool(thread_, JSTaggedValue::Undefined());
p->SetMainFunction(thread_, JSTaggedValue::Undefined());
p->SetMethodsData(nullptr);
return p;
}
JSHandle<EcmaModule> ObjectFactory::NewEmptyEcmaModule()
{
NewObjectHook();
TaggedObject *header = heapHelper_.AllocateYoungGenerationOrLargeObject(ecmaModuleClass_);
JSHandle<EcmaModule> module(thread_, header);
module->SetNameDictionary(thread_, JSTaggedValue::Undefined());
return module;
}
JSHandle<EcmaString> ObjectFactory::NewFromUtf8(const uint8_t *utf8Data, uint32_t utf8Len)
{
NewObjectHook();
return GetStringFromStringTable(utf8Data, utf8Len);
}
JSHandle<EcmaString> ObjectFactory::NewFromString(const CString &data)
{
NewObjectHook();
auto utf8Data = reinterpret_cast<const uint8_t *>(data.c_str());
auto utf8Len = data.length();
return GetStringFromStringTable(utf8Data, utf8Len);
}
JSHandle<EcmaString> ObjectFactory::NewFromStdString(const std::string &data)
{
return NewFromUtf8(reinterpret_cast<const uint8_t *>(data.c_str()), data.size());
}
JSHandle<EcmaString> ObjectFactory::NewFromUtf16(const uint16_t *utf16Data, uint32_t utf16Len)
{
NewObjectHook();
return GetStringFromStringTable(utf16Data, utf16Len);
}
JSHandle<EcmaString> ObjectFactory::NewFromString(EcmaString *str)
{
NewObjectHook();
return GetStringFromStringTable(str);
}
JSHandle<EcmaString> ObjectFactory::ConcatFromString(const JSHandle<EcmaString> &prefix,
const JSHandle<EcmaString> &suffix)
{
NewObjectHook();
EcmaString *concatString = EcmaString::Concat(prefix, suffix, vm_);
return GetStringFromStringTable(concatString);
}
JSHandle<EcmaString> ObjectFactory::ConcatFromChar(const char *prefix, const char *suffix)
{
NewObjectHook();
CString const &concatString = CString(prefix) + CString(suffix);
char const *concatData = concatString.c_str();
auto utf8Data = reinterpret_cast<const uint8_t *>(concatData);
JSHandle<EcmaString> oldString = GetStringFromStringTable(utf8Data, base::utf_helper::Utf8ToUtf16Size(utf8Data));
return oldString;
}
JSHandle<EcmaString> ObjectFactory::SubString(const JSHandle<EcmaString> &src, uint32_t start, uint32_t utf16_length)
{
NewObjectHook();
EcmaString *sub_string = EcmaString::FastSubString(src, start, utf16_length, vm_);
return GetStringFromStringTable(sub_string);
}
JSHandle<EcmaString> ObjectFactory::NewFromUtf8Literal(const uint8_t *utf8Data, uint32_t utf8Len)
{
NewObjectHook();
return JSHandle<EcmaString>(thread_, EcmaString::CreateFromUtf8(utf8Data, utf8Len, vm_));
}
JSHandle<EcmaString> ObjectFactory::NewFromUtf16Literal(const uint16_t *utf16Data, uint32_t utf16Len)
{
NewObjectHook();
return JSHandle<EcmaString>(thread_, EcmaString::CreateFromUtf16(utf16Data, utf16Len, vm_));
}
JSHandle<EcmaString> ObjectFactory::GetEmptyString() const
{
return JSHandle<EcmaString>(thread_->GlobalConstants()->GetHandledEmptyString());
}
JSHandle<TaggedArray> ObjectFactory::EmptyArray() const
{
JSHandle<GlobalEnv> env = vm_->GetGlobalEnv();
return JSHandle<TaggedArray>(env->GetEmptyArray());
}
JSHandle<ObjectWrapper> ObjectFactory::NewObjectWrapper(const JSHandle<JSTaggedValue> &value)
{
NewObjectHook();
TaggedObject *header = heapHelper_.AllocateYoungGenerationOrLargeObject(objectWrapperClass_);
ObjectWrapper *obj = ObjectWrapper::Cast(header);
obj->SetValue(thread_, value);
return JSHandle<ObjectWrapper>(thread_, obj);
}
JSHandle<EcmaString> ObjectFactory::GetStringFromStringTable(const uint8_t *utf8Data, uint32_t utf8Len) const
{
if (utf8Len == 0) {
return GetEmptyString();
}
auto stringTable = vm_->GetEcmaStringTable();
return JSHandle<EcmaString>(thread_, stringTable->GetOrInternString(utf8Data, utf8Len));
}
JSHandle<EcmaString> ObjectFactory::GetStringFromStringTable(const uint16_t *utf16Data, uint32_t utf16Len) const
{
if (utf16Len == 0) {
return GetEmptyString();
}
auto stringTable = vm_->GetEcmaStringTable();
return JSHandle<EcmaString>(thread_, stringTable->GetOrInternString(utf16Data, utf16Len));
}
JSHandle<EcmaString> ObjectFactory::GetStringFromStringTable(EcmaString *string) const
{
ASSERT(string != nullptr);
if (string->GetLength() == 0) {
return GetEmptyString();
}
auto stringTable = vm_->GetEcmaStringTable();
return JSHandle<EcmaString>(thread_, stringTable->GetOrInternString(string));
}
// NB! don't do special case for C0 80, it means '\u0000', so don't convert to UTF-8
EcmaString *ObjectFactory::GetRawStringFromStringTable(const uint8_t *mutf8Data, uint32_t utf16Len) const
{
if (UNLIKELY(utf16Len == 0)) {
return *GetEmptyString();
}
if (utf::IsMUtf8OnlySingleBytes(mutf8Data)) {
return EcmaString::Cast(vm_->GetEcmaStringTable()->GetOrInternString(mutf8Data, utf16Len));
}
CVector<uint16_t> utf16Data(utf16Len);
auto len = utf::ConvertRegionMUtf8ToUtf16(mutf8Data, utf16Data.data(), utf::Mutf8Size(mutf8Data), utf16Len, 0);
return EcmaString::Cast(vm_->GetEcmaStringTable()->GetOrInternString(utf16Data.data(), len));
}
JSHandle<PropertyBox> ObjectFactory::NewPropertyBox(const JSHandle<JSTaggedValue> &value)
{
NewObjectHook();
TaggedObject *header = heapHelper_.AllocateYoungGenerationOrLargeObject(PropertyBoxClass_);
JSHandle<PropertyBox> box(thread_, header);
box->SetValue(thread_, value);
return box;
}
JSHandle<ProtoChangeMarker> ObjectFactory::NewProtoChangeMarker()
{
NewObjectHook();
TaggedObject *header = heapHelper_.AllocateYoungGenerationOrLargeObject(protoChangeMarkerClass_);
JSHandle<ProtoChangeMarker> marker(thread_, header);
marker->SetHasChanged(false);
return marker;
}
JSHandle<ProtoChangeDetails> ObjectFactory::NewProtoChangeDetails()
{
NewObjectHook();
TaggedObject *header = heapHelper_.AllocateYoungGenerationOrLargeObject(protoChangeDetailsClass_);
JSHandle<ProtoChangeDetails> protoInfo(thread_, header);
protoInfo->SetChangeListener(thread_, JSTaggedValue(0));
protoInfo->SetRegisterIndex(thread_, JSTaggedValue(ProtoChangeDetails::UNREGISTERED));
return protoInfo;
}
JSHandle<ProfileTypeInfo> ObjectFactory::NewProfileTypeInfo(uint32_t length)
{
NewObjectHook();
ASSERT(length > 0);
size_t size = TaggedArray::ComputeSize(JSTaggedValue::TaggedTypeSize(), length);
auto header = heapHelper_.AllocateYoungGenerationOrLargeObject(arrayClass_, size);
JSHandle<ProfileTypeInfo> array(thread_, header);
array->InitializeWithSpecialValue(JSTaggedValue::Undefined(), length);
return array;
}
// static
void ObjectFactory::NewObjectHook()
{
#if !defined(NDEBUG) || defined(FORCE_GC_TEST)
if (!isTriggerGc_) {
return;
}
if (vm_->IsInitialized()) {
if (triggerSemiGC_) {
vm_->CollectGarbage(TriggerGCType::SEMI_GC);
} else {
vm_->CollectGarbage(TriggerGCType::COMPRESS_FULL_GC);
}
}
#endif
}
void ObjectFactory::SetTriggerGc(bool flag, bool triggerSemiGC)
{
isTriggerGc_ = flag;
triggerSemiGC_ = triggerSemiGC;
}
JSHandle<TaggedQueue> ObjectFactory::NewTaggedQueue(array_size_t length)
{
NewObjectHook();
array_size_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
{
JSHandle<GlobalEnv> env = vm_->GetGlobalEnv();
return JSHandle<TaggedQueue>(env->GetEmptyTaggedQueue());
}
JSHandle<JSSetIterator> ObjectFactory::NewJSSetIterator(const JSHandle<JSSet> &set, IterationKind kind)
{
NewObjectHook();
JSHandle<GlobalEnv> env = vm_->GetGlobalEnv();
JSHandle<JSTaggedValue> protoValue = env->GetSetIteratorPrototype();
JSHandle<JSHClass> dynHandle = NewEcmaDynClass(JSSetIterator::SIZE, JSType::JS_SET_ITERATOR, protoValue);
JSHandle<JSSetIterator> iter(NewJSObject(dynHandle));
iter->GetJSHClass()->SetExtensible(true);
iter->SetIteratedSet(thread_, set->GetLinkedSet());
iter->SetNextIndex(thread_, JSTaggedValue(0));
iter->SetIterationKind(thread_, JSTaggedValue(static_cast<int>(kind)));
return iter;
}
JSHandle<JSMapIterator> ObjectFactory::NewJSMapIterator(const JSHandle<JSMap> &map, IterationKind kind)
{
NewObjectHook();
JSHandle<GlobalEnv> env = vm_->GetGlobalEnv();
JSHandle<JSTaggedValue> protoValue = env->GetMapIteratorPrototype();
JSHandle<JSHClass> dynHandle = NewEcmaDynClass(JSMapIterator::SIZE, JSType::JS_MAP_ITERATOR, protoValue);
JSHandle<JSMapIterator> iter(NewJSObject(dynHandle));
iter->GetJSHClass()->SetExtensible(true);
iter->SetIteratedMap(thread_, map->GetLinkedMap());
iter->SetNextIndex(thread_, JSTaggedValue(0));
iter->SetIterationKind(thread_, JSTaggedValue(static_cast<int>(kind)));
return iter;
}
JSHandle<JSArrayIterator> ObjectFactory::NewJSArrayIterator(const JSHandle<JSObject> &array, IterationKind kind)
{
NewObjectHook();
JSHandle<GlobalEnv> env = vm_->GetGlobalEnv();
JSHandle<JSTaggedValue> protoValue = env->GetArrayIteratorPrototype();
JSHandle<JSHClass> dynHandle = NewEcmaDynClass(JSArrayIterator::SIZE, JSType::JS_ARRAY_ITERATOR, protoValue);
JSHandle<JSArrayIterator> iter(NewJSObject(dynHandle));
iter->GetJSHClass()->SetExtensible(true);
iter->SetIteratedArray(thread_, array);
iter->SetNextIndex(thread_, JSTaggedValue(0));
iter->SetIterationKind(thread_, JSTaggedValue(static_cast<int>(kind)));
return iter;
}
JSHandle<JSPromiseReactionsFunction> ObjectFactory::CreateJSPromiseReactionsFunction(const void *nativeFunc)
{
NewObjectHook();
JSHandle<GlobalEnv> env = vm_->GetGlobalEnv();
JSHandle<JSHClass> dynclass = JSHandle<JSHClass>::Cast(env->GetPromiseReactionFunctionClass());
JSHandle<JSPromiseReactionsFunction> reactionsFunction =
JSHandle<JSPromiseReactionsFunction>::Cast(NewJSObject(dynclass));
reactionsFunction->SetPromise(thread_, JSTaggedValue::Hole());
reactionsFunction->SetAlreadyResolved(thread_, JSTaggedValue::Hole());
JSMethod *method = vm_->GetMethodForNativeFunction(nativeFunc);
reactionsFunction->SetCallTarget(thread_, method);
JSHandle<JSFunction> function = JSHandle<JSFunction>::Cast(reactionsFunction);
JSFunction::InitializeJSFunction(thread_, function);
JSFunction::SetFunctionLength(thread_, function, JSTaggedValue(1));
return reactionsFunction;
}
JSHandle<JSPromiseExecutorFunction> ObjectFactory::CreateJSPromiseExecutorFunction(const void *nativeFunc)
{
NewObjectHook();
JSHandle<GlobalEnv> env = vm_->GetGlobalEnv();
JSHandle<JSHClass> dynclass = JSHandle<JSHClass>::Cast(env->GetPromiseExecutorFunctionClass());
JSHandle<JSPromiseExecutorFunction> executorFunction =
JSHandle<JSPromiseExecutorFunction>::Cast(NewJSObject(dynclass));
executorFunction->SetCapability(thread_, JSTaggedValue::Hole());
JSMethod *method = vm_->GetMethodForNativeFunction(nativeFunc);
executorFunction->SetCallTarget(thread_, method);
executorFunction->SetCapability(thread_, JSTaggedValue::Undefined());
JSHandle<JSFunction> function = JSHandle<JSFunction>::Cast(executorFunction);
JSFunction::InitializeJSFunction(thread_, function, FunctionKind::NORMAL_FUNCTION);
JSFunction::SetFunctionLength(thread_, function, JSTaggedValue(FunctionLength::TWO));
return executorFunction;
}
JSHandle<JSPromiseAllResolveElementFunction> ObjectFactory::NewJSPromiseAllResolveElementFunction(
const void *nativeFunc)
{
NewObjectHook();
JSHandle<GlobalEnv> env = vm_->GetGlobalEnv();
JSHandle<JSHClass> dynclass = JSHandle<JSHClass>::Cast(env->GetPromiseAllResolveElementFunctionClass());
JSHandle<JSPromiseAllResolveElementFunction> function =
JSHandle<JSPromiseAllResolveElementFunction>::Cast(NewJSObject(dynclass));
JSFunction::InitializeJSFunction(thread_, JSHandle<JSFunction>::Cast(function));
JSMethod *method = vm_->GetMethodForNativeFunction(nativeFunc);
function->SetCallTarget(thread_, method);
JSFunction::SetFunctionLength(thread_, JSHandle<JSFunction>::Cast(function), JSTaggedValue(1));
return function;
}
EcmaString *ObjectFactory::InternString(const JSHandle<JSTaggedValue> &key)
{
EcmaString *str = EcmaString::Cast(key->GetTaggedObject());
if (str->IsInternString()) {
return str;
}
EcmaStringTable *stringTable = vm_->GetEcmaStringTable();
return stringTable->GetOrInternString(str);
}
TransitionHandler *ObjectFactory::NewTransitionHandler()
{
NewObjectHook();
TransitionHandler *handler =
TransitionHandler::Cast(heapHelper_.AllocateYoungGenerationOrLargeObject(transitionHandlerClass_));
return handler;
}
PrototypeHandler *ObjectFactory::NewPrototypeHandler()
{
NewObjectHook();
PrototypeHandler *handler =
PrototypeHandler::Cast(heapHelper_.AllocateYoungGenerationOrLargeObject(prototypeHandlerClass_));
handler->SetHandlerInfo(thread_, JSTaggedValue::Undefined());
handler->SetProtoCell(thread_, JSTaggedValue::Undefined());
handler->SetHolder(thread_, JSTaggedValue::Undefined());
return handler;
}
JSHandle<PromiseRecord> ObjectFactory::NewPromiseRecord()
{
NewObjectHook();
TaggedObject *header = heapHelper_.AllocateYoungGenerationOrLargeObject(promiseRecordClass_);
JSHandle<PromiseRecord> obj(thread_, header);
obj->SetValue(thread_, JSTaggedValue::Undefined());
return obj;
}
JSHandle<ResolvingFunctionsRecord> ObjectFactory::NewResolvingFunctionsRecord()
{
NewObjectHook();
TaggedObject *header = heapHelper_.AllocateYoungGenerationOrLargeObject(promiseResolvingFunctionsRecord_);
JSHandle<ResolvingFunctionsRecord> obj(thread_, header);
obj->SetResolveFunction(thread_, JSTaggedValue::Undefined());
obj->SetRejectFunction(thread_, JSTaggedValue::Undefined());
return obj;
}
JSHandle<JSHClass> ObjectFactory::CreateObjectClass(const JSHandle<TaggedArray> &keys,
const JSHandle<TaggedArray> &values)
{
JSHandle<GlobalEnv> env = vm_->GetGlobalEnv();
JSHandle<JSTaggedValue> proto = env->GetObjectFunctionPrototype();
JSHandle<JSHClass> objClass = NewEcmaDynClass(JSObject::SIZE, JSType::JS_OBJECT, proto);
uint32_t fieldOrder = 0;
JSMutableHandle<JSTaggedValue> key(thread_, JSTaggedValue::Undefined());
JSMutableHandle<JSTaggedValue> value(thread_, JSTaggedValue::Undefined());
uint32_t length = keys->GetLength();
JSHandle<LayoutInfo> layoutInfoHandle = CreateLayoutInfo(length);
while (fieldOrder < length) {
key.Update(keys->Get(fieldOrder));
value.Update(values->Get(fieldOrder));
ASSERT_PRINT(JSTaggedValue::IsPropertyKey(key), "Key is not a property key");
PropertyAttributes attributes = PropertyAttributes::Default(true, true, true);
if (values->Get(fieldOrder).IsAccessorData()) {
attributes.SetIsAccessor(true);
}
if (fieldOrder >= JSObject::MIN_PROPERTIES_LENGTH) {
attributes.SetIsInlinedProps(false);
} else {
attributes.SetIsInlinedProps(true);
}
attributes.SetRepresentation(Representation::MIXED);
attributes.SetOffset(fieldOrder);
layoutInfoHandle->AddKey(thread_, fieldOrder, key.GetTaggedValue(), attributes);
fieldOrder++;
}
{
objClass->SetExtensible(true);
objClass->SetIsLiteral(true);
objClass->SetAttributes(thread_, layoutInfoHandle);
if (fieldOrder > JSObject::MIN_PROPERTIES_LENGTH) {
uint32_t unusedNonInlinedProps = objClass->GetUnusedNonInlinedProps();
ASSERT(unusedNonInlinedProps >= (fieldOrder - JSObject::MIN_PROPERTIES_LENGTH));
objClass->SetUnusedNonInlinedProps(unusedNonInlinedProps - (fieldOrder - JSObject::MIN_PROPERTIES_LENGTH));
objClass->SetUnusedInlinedProps(0);
} else {
uint32_t unusedInlinedProps = objClass->GetUnusedInlinedProps();
ASSERT(unusedInlinedProps >= fieldOrder);
objClass->SetUnusedInlinedProps(unusedInlinedProps - fieldOrder);
}
}
return objClass;
}
JSHandle<JSHClass> ObjectFactory::CreateObjectClass(const JSHandle<TaggedArray> &properties, size_t length)
{
JSHandle<GlobalEnv> env = vm_->GetGlobalEnv();
JSHandle<JSTaggedValue> proto = env->GetObjectFunctionPrototype();
JSHandle<JSHClass> objClass = NewEcmaDynClass(JSObject::SIZE, JSType::JS_OBJECT, proto);
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(true, true, true);
if (properties->Get(fieldOrder * 2 + 1).IsAccessor()) { // 2: Meaning to double
attributes.SetIsAccessor(true);
}
if (fieldOrder >= JSObject::MIN_PROPERTIES_LENGTH) {
attributes.SetIsInlinedProps(false);
} else {
attributes.SetIsInlinedProps(true);
}
attributes.SetRepresentation(Representation::MIXED);
attributes.SetOffset(fieldOrder);
layoutInfoHandle->AddKey(thread_, fieldOrder, key.GetTaggedValue(), attributes);
fieldOrder++;
}
{
objClass->SetExtensible(true);
objClass->SetIsLiteral(true);
objClass->SetAttributes(thread_, layoutInfoHandle);
if (fieldOrder > JSObject::MIN_PROPERTIES_LENGTH) {
uint32_t unusedNonInlinedProps = objClass->GetUnusedNonInlinedProps();
ASSERT(unusedNonInlinedProps >= (fieldOrder - JSObject::MIN_PROPERTIES_LENGTH));
objClass->SetUnusedNonInlinedProps(unusedNonInlinedProps - (fieldOrder - JSObject::MIN_PROPERTIES_LENGTH));
objClass->SetUnusedInlinedProps(0);
} else {
uint32_t unusedInlinedProps = objClass->GetUnusedInlinedProps();
ASSERT(unusedInlinedProps >= fieldOrder);
objClass->SetUnusedInlinedProps(unusedInlinedProps - fieldOrder);
}
}
return objClass;
}
JSHandle<JSObject> ObjectFactory::NewJSObjectByClass(const JSHandle<TaggedArray> &keys,
const JSHandle<TaggedArray> &values)
{
NewObjectHook();
JSHandle<JSHClass> dynclass = CreateObjectClass(keys, values);
JSHandle<JSObject> obj = NewJSObject(dynclass);
return obj;
}
JSHandle<JSObject> ObjectFactory::NewJSObjectByClass(const JSHandle<TaggedArray> &properties, size_t length)
{
NewObjectHook();
JSHandle<JSHClass> dynclass = CreateObjectClass(properties, length);
JSHandle<JSObject> obj = NewJSObject(dynclass);
return obj;
}
JSHandle<JSObject> ObjectFactory::NewEmptyJSObject()
{
NewObjectHook();
JSHandle<GlobalEnv> env = vm_->GetGlobalEnv();
JSHandle<JSTaggedValue> builtinObj = env->GetObjectFunction();
return NewJSObjectByConstructor(JSHandle<JSFunction>(builtinObj), builtinObj);
}
EcmaString *ObjectFactory::ResolveString(uint32_t stringId)
{
JSMethod *caller = EcmaFrameHandler(thread_).GetMethod();
auto *pf = caller->GetPandaFile();
auto id = panda_file::File::EntityId(stringId);
auto foundStr = pf->GetStringData(id);
return GetRawStringFromStringTable(foundStr.data, foundStr.utf16_length);
}
uintptr_t ObjectFactory::NewSpaceBySnapShotAllocator(size_t size)
{
return heapHelper_.AllocateSnapShotSpace(size);
}
JSHandle<JSNativeObject> ObjectFactory::NewJSNativeObject(void *externalPointer)
{
return NewJSNativeObject(externalPointer, nullptr, nullptr);
}
JSHandle<JSNativeObject> ObjectFactory::NewJSNativeObject(void *externalPointer, DeleteEntryPoint callback, void *data)
{
JSHandle<GlobalEnv> env = vm_->GetGlobalEnv();
JSHandle<JSHClass> dynclass(env->GetJSNativeObjectClass());
JSHandle<JSNativeObject> nativeObject = JSHandle<JSNativeObject>::Cast(NewJSObject(dynclass));
JSHandle<JSNativePointer> pointer = NewJSNativePointer(externalPointer, callback, data);
nativeObject->SetJSNativePointer(thread_, pointer.GetTaggedValue());
vm_->PushToArrayDataList(*pointer);
return nativeObject;
}
} // namespace panda::ecmascript
Reference in New Issue View Git Blame Copy Permalink