* Copyright (c) 2021-2025 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/js_function.h"
#include "ecmascript/debugger/js_debugger_manager.h"
#include "ecmascript/global_env.h"
#include "ecmascript/interpreter/interpreter.h"
#include "ecmascript/js_object-inl.h"
#include "ecmascript/module/module_resolver.h"
#include "ecmascript/object_factory-inl.h"
#include "ecmascript/pgo_profiler/pgo_profiler.h"
#include "ecmascript/require/js_require_manager.h"
#include "ecmascript/ic/profile_type_info.h"
namespace panda::ecmascript {
void JSFunction::InitializeJSFunctionCommon(JSThread *thread, const JSHandle<JSFunction> &func, FunctionKind kind)
{
auto globalConst = thread->GlobalConstants();
if (HasPrototype(kind)) {
JSHandle<JSTaggedValue> accessor = globalConst->GetHandledFunctionPrototypeAccessor();
if (kind == FunctionKind::BASE_CONSTRUCTOR || kind == FunctionKind::GENERATOR_FUNCTION ||
kind == FunctionKind::ASYNC_GENERATOR_FUNCTION || kind == FunctionKind::NONE_FUNCTION) {
func->SetPropertyInlinedProps(thread, PROTOTYPE_INLINE_PROPERTY_INDEX, accessor.GetTaggedValue());
accessor = globalConst->GetHandledFunctionNameAccessor();
func->SetPropertyInlinedProps(thread, NAME_INLINE_PROPERTY_INDEX, accessor.GetTaggedValue());
accessor = globalConst->GetHandledFunctionLengthAccessor();
func->SetPropertyInlinedProps(thread, LENGTH_INLINE_PROPERTY_INDEX, accessor.GetTaggedValue());
if (kind == FunctionKind::ASYNC_GENERATOR_FUNCTION) {
JSHandle<GlobalEnv> env = thread->GetEcmaVM()->GetGlobalEnv();
ObjectFactory *factory = thread->GetEcmaVM()->GetFactory();
JSHandle<JSFunction> objFun(env->GetObjectFunction());
JSHandle<JSObject> initialGeneratorFuncPrototype = factory->NewJSObjectByConstructor(objFun);
JSObject::SetPrototype(thread, initialGeneratorFuncPrototype, env->GetAsyncGeneratorPrototype());
func->SetProtoOrHClass(thread, initialGeneratorFuncPrototype);
}
if (kind == FunctionKind::GENERATOR_FUNCTION) {
JSHandle<GlobalEnv> env = thread->GetEcmaVM()->GetGlobalEnv();
ObjectFactory *factory = thread->GetEcmaVM()->GetFactory();
JSHandle<JSFunction> objFun(env->GetObjectFunction());
JSHandle<JSObject> initialGeneratorFuncPrototype = factory->NewJSObjectByConstructor(objFun);
JSObject::SetPrototype(thread, initialGeneratorFuncPrototype, env->GetGeneratorPrototype());
func->SetProtoOrHClass(thread, initialGeneratorFuncPrototype);
}
} else if (!JSFunction::IsClassConstructor(kind)) {
PropertyDescriptor desc(thread, accessor, kind != FunctionKind::BUILTIN_CONSTRUCTOR, false, false);
[[maybe_unused]] bool success = JSObject::DefineOwnProperty(
thread, JSHandle<JSObject>(func), globalConst->GetHandledPrototypeString(), desc, SCheckMode::SKIP);
ASSERT(success);
}
} else if (HasAccessor(kind)) {
JSHandle<JSTaggedValue> accessor = globalConst->GetHandledFunctionNameAccessor();
func->SetPropertyInlinedProps(thread, NAME_INLINE_PROPERTY_INDEX, accessor.GetTaggedValue());
accessor = globalConst->GetHandledFunctionLengthAccessor();
func->SetPropertyInlinedProps(thread, LENGTH_INLINE_PROPERTY_INDEX, accessor.GetTaggedValue());
}
}
void JSFunction::InitializeJSFunction(JSThread *thread, const JSHandle<JSFunction> &func, FunctionKind kind)
{
InitializeWithDefaultValue(thread, func);
InitializeJSFunctionCommon(thread, func, kind);
}
void JSFunction::InitializeJSBuiltinFunction(JSThread *thread, const JSHandle<GlobalEnv> &env,
const JSHandle<JSFunction> &func, FunctionKind kind)
{
InitializeBuiltinWithDefaultValue(thread, env, func);
InitializeJSFunctionCommon(thread, func, kind);
}
void JSFunction::InitializeSFunction(JSThread *thread, const JSHandle<JSFunction> &func, FunctionKind kind)
{
InitializeWithDefaultValue(thread, func);
auto globalConst = thread->GlobalConstants();
JSHandle<JSTaggedValue> accessor = globalConst->GetHandledFunctionPrototypeAccessor();
if (HasAccessor(kind) || IsBaseConstructorKind(kind)) {
if (IsBaseConstructorKind(kind)) {
func->SetPropertyInlinedProps(thread, PROTOTYPE_INLINE_PROPERTY_INDEX, accessor.GetTaggedValue());
}
accessor = globalConst->GetHandledFunctionNameAccessor();
func->SetPropertyInlinedProps(thread, NAME_INLINE_PROPERTY_INDEX, accessor.GetTaggedValue());
accessor = globalConst->GetHandledFunctionLengthAccessor();
func->SetPropertyInlinedProps(thread, LENGTH_INLINE_PROPERTY_INDEX, accessor.GetTaggedValue());
}
}
void JSFunction::InitializeWithDefaultValueCommon(JSThread *thread, const JSHandle<JSFunction> &func)
{
func->InitBitField();
func->SetProtoOrHClass<SKIP_BARRIER>(thread, JSTaggedValue::Hole());
func->SetHomeObject<SKIP_BARRIER>(thread, JSTaggedValue::Undefined());
#if !ENABLE_MEMORY_OPTIMIZATION
func->SetWorkNodePointer(reinterpret_cast<uintptr_t>(nullptr));
#endif
func->SetMachineCode<SKIP_BARRIER>(thread, JSTaggedValue::Undefined());
func->SetBaselineCode<SKIP_BARRIER>(thread, JSTaggedValue::Undefined());
func->SetRawProfileTypeInfo<SKIP_BARRIER>(thread, thread->GlobalConstants()->GetEmptyProfileTypeInfoCell());
func->SetMethod<SKIP_BARRIER>(thread, JSTaggedValue::Undefined());
func->SetModule<SKIP_BARRIER>(thread, JSTaggedValue::Undefined());
func->SetCodeEntry(reinterpret_cast<uintptr_t>(nullptr));
func->ClearCompiledCodeFlags();
func->SetTaskConcurrentFuncFlag(0);
func->SetCallNapi(false);
}
void JSFunction::InitializeWithDefaultValue(JSThread *thread, const JSHandle<JSFunction> &func)
{
InitializeWithDefaultValueCommon(thread, func);
func->SetLexicalEnv<SKIP_BARRIER>(thread, JSTaggedValue::Undefined());
}
void JSFunction::InitializeBuiltinWithDefaultValue(JSThread *thread, const JSHandle<GlobalEnv> &env,
const JSHandle<JSFunction> &func)
{
InitializeWithDefaultValueCommon(thread, func);
func->SetLexicalEnv(thread, env.GetTaggedValue());
}
void JSFunction::InitClassFunction(JSThread *thread, JSHandle<JSFunction> &func, bool callNapi)
{
JSHandle<GlobalEnv> env = thread->GetGlobalEnv();
auto globalConst = thread->GlobalConstants();
JSHandle<JSTaggedValue> accessor = globalConst->GetHandledFunctionPrototypeAccessor();
func->SetPropertyInlinedProps(thread, JSFunction::CLASS_PROTOTYPE_INLINE_PROPERTY_INDEX,
accessor.GetTaggedValue());
accessor = globalConst->GetHandledFunctionLengthAccessor();
func->SetPropertyInlinedProps(thread, JSFunction::LENGTH_INLINE_PROPERTY_INDEX,
accessor.GetTaggedValue());
JSHandle<JSObject> clsPrototype = JSFunction::NewJSFunctionPrototype(thread, func);
clsPrototype->GetClass()->SetClassPrototype(true);
func->SetClassConstructor(true);
JSHandle<JSTaggedValue> parent = env->GetFunctionPrototype();
JSObject::SetPrototype(thread, JSHandle<JSObject>::Cast(func), parent);
func->SetHomeObject(thread, clsPrototype);
func->SetCallNapi(callNapi);
}
void JSFunction::InitClassFunctionWithClsPrototype(JSThread *thread, JSHandle<JSFunction> &func, bool callNapi,
JSHandle<JSObject> &clsPrototype)
{
auto globalConst = thread->GlobalConstants();
JSHandle<JSTaggedValue> accessor = globalConst->GetHandledFunctionPrototypeAccessor();
func->SetPropertyInlinedProps(thread, JSFunction::CLASS_PROTOTYPE_INLINE_PROPERTY_INDEX,
accessor.GetTaggedValue());
accessor = globalConst->GetHandledFunctionLengthAccessor();
func->SetPropertyInlinedProps(thread, JSFunction::LENGTH_INLINE_PROPERTY_INDEX,
accessor.GetTaggedValue());
func->SetClassConstructor(true);
JSHandle<GlobalEnv> env = thread->GetEcmaVM()->GetGlobalEnv();
JSHandle<JSTaggedValue> parent = env->GetFunctionPrototype();
JSObject::SetPrototype(thread, JSHandle<JSObject>::Cast(func), parent);
clsPrototype->GetClass()->SetClassPrototype(true);
JSFunction::SetFunctionPrototypeOrInstanceHClass(thread, func, clsPrototype.GetTaggedValue());
func->SetHomeObject(thread, clsPrototype);
func->SetCallNapi(callNapi);
}
JSHandle<JSObject> JSFunction::NewJSFunctionPrototype(JSThread *thread, const JSHandle<JSFunction> &func)
{
JSHandle<GlobalEnv> env = thread->GetEcmaVM()->GetGlobalEnv();
const GlobalEnvConstants *globalConst = thread->GlobalConstants();
JSHandle<JSFunction> objFun;
if (func->IsSharedFunction()) {
objFun = JSHandle<JSFunction>(env->GetSObjectFunction());
} else {
objFun = JSHandle<JSFunction>(env->GetObjectFunction());
}
JSHandle<JSObject> funPro = thread->GetEcmaVM()->GetFactory()->NewJSObjectByConstructor(objFun);
SetFunctionPrototypeOrInstanceHClass(thread, func, funPro.GetTaggedValue());
JSHandle<JSTaggedValue> constructorKey = globalConst->GetHandledConstructorString();
PropertyDescriptor descriptor(thread, JSHandle<JSTaggedValue>::Cast(func), true, false, true);
JSObject::DefineOwnProperty(thread, funPro, constructorKey, descriptor);
return funPro;
}
JSHClass *JSFunction::GetOrCreateInitialJSHClass(JSThread *thread, const JSHandle<JSFunction> &fun)
{
JSTaggedValue protoOrHClass(fun->GetProtoOrHClass(thread));
if (protoOrHClass.IsJSHClass()) {
return reinterpret_cast<JSHClass *>(protoOrHClass.GetTaggedObject());
}
JSHandle<JSTaggedValue> proto;
bool needProfileTransition = false;
if (!fun->HasFunctionPrototype(thread)) {
proto = JSHandle<JSTaggedValue>::Cast(NewJSFunctionPrototype(thread, fun));
if (thread->GetEcmaVM()->IsEnablePGOProfiler()) {
thread->GetEcmaVM()->GetPGOProfiler()->ProfileClassRootHClass(fun.GetTaggedType(),
JSTaggedType(proto->GetTaggedObject()->GetClass()), pgo::ProfileType::Kind::PrototypeId);
}
} else {
proto = JSHandle<JSTaggedValue>(thread, fun->GetProtoOrHClass(thread));
needProfileTransition = proto->IsECMAObject();
}
ObjectFactory *factory = thread->GetEcmaVM()->GetFactory();
JSHandle<JSHClass> hclass;
if (thread->GetEcmaVM()->GetJSOptions().IsEnableInlinePropertyOptimization()) {
bool isStartObjSizeTracking = true;
uint32_t expectedOfProperties = JSFunction::CalcuExpotedOfProperties(thread, fun, &isStartObjSizeTracking);
uint32_t maxInlinedProperties = static_cast<uint32_t>(PropertyAttributes::MAX_FAST_PROPS_CAPACITY -
JSObject::SIZE / JSTaggedValue::TaggedTypeSize());
expectedOfProperties = std::min(expectedOfProperties, maxInlinedProperties);
hclass = factory->NewEcmaHClass(JSObject::SIZE, expectedOfProperties, JSType::JS_OBJECT, proto);
if (isStartObjSizeTracking) {
hclass->StartObjSizeTracking();
}
} else {
hclass = factory->NewEcmaHClass(JSObject::SIZE, JSType::JS_OBJECT, proto);
}
fun->SetProtoOrHClass(thread, hclass);
if (thread->GetEcmaVM()->IsEnablePGOProfiler()) {
if (!needProfileTransition) {
thread->GetEcmaVM()->GetPGOProfiler()->ProfileClassRootHClass(fun.GetTaggedType(), hclass.GetTaggedType());
} else {
thread->GetEcmaVM()->GetPGOProfiler()->ProfileProtoTransitionClass(fun, hclass, proto);
}
}
return *hclass;
}
uint32_t JSFunction::CalcuExpotedOfProperties(JSThread *thread, const JSHandle<JSFunction> &fun,
bool *isStartObjSizeTracking)
{
JSTaggedValue prototype = fun.GetTaggedValue();
uint32_t expectedPropertyCount = 0;
while (prototype.IsJSFunction()) {
JSTaggedValue method = JSFunction::Cast(prototype.GetTaggedObject())->GetMethod(thread);
uint32_t count = Method::Cast(method.GetTaggedObject())->GetExpectedPropertyCount();
prototype = JSObject::GetPrototype(thread, prototype);
if (count == MethodLiteral::MAX_EXPECTED_PROPERTY_COUNT) {
continue;
}
expectedPropertyCount += count;
}
expectedPropertyCount += JSHClass::DEFAULT_CAPACITY_OF_IN_OBJECTS;
if (expectedPropertyCount == JSHClass::DEFAULT_CAPACITY_OF_IN_OBJECTS) {
*isStartObjSizeTracking = false;
return expectedPropertyCount;
}
if (expectedPropertyCount > PropertyAttributes::MAX_FAST_PROPS_CAPACITY) {
return PropertyAttributes::MAX_FAST_PROPS_CAPACITY;
}
return expectedPropertyCount;
}
JSTaggedValue JSFunction::PrototypeGetter(JSThread *thread, const JSHandle<JSObject> &self)
{
JSHandle<JSFunction> func = JSHandle<JSFunction>::Cast(self);
if (!func->HasFunctionPrototype(thread)) {
JSHandle<JSTaggedValue> proto = JSHandle<JSTaggedValue>::Cast(NewJSFunctionPrototype(thread, func));
if (thread->GetEcmaVM()->IsEnablePGOProfiler()) {
thread->GetEcmaVM()->GetPGOProfiler()->ProfileClassRootHClass(func.GetTaggedType(),
JSTaggedType(proto->GetTaggedObject()->GetClass()), pgo::ProfileType::Kind::PrototypeId);
}
}
return JSFunction::Cast(*self)->GetFunctionPrototype(thread);
}
bool JSFunction::PrototypeSetter(JSThread *thread, const JSHandle<JSObject> &self, const JSHandle<JSTaggedValue> &value,
[[maybe_unused]] bool mayThrow)
{
JSHandle<JSFunction> func(self);
JSTaggedValue protoOrHClass = func->GetProtoOrHClass(thread);
if (protoOrHClass.IsJSHClass()) {
JSHandle<JSHClass> hclass(thread, JSHClass::Cast(protoOrHClass.GetTaggedObject()));
hclass->CompleteObjSizeTracking(thread);
JSHandle<JSHClass> newClass = JSHClass::SetPrototypeWithNotification(thread, hclass, value);
func->SetProtoOrHClass(thread, newClass);
if (!hclass->IsAOT() && thread->GetEcmaVM()->IsEnablePGOProfiler()) {
EntityId ctorMethodId = Method::Cast(func->GetMethod(thread).GetTaggedObject())->GetMethodId();
thread->GetEcmaVM()->GetPGOProfiler()->InsertSkipCtorMethodIdSafe(ctorMethodId);
}
} else {
if (!value->IsECMAObject()) {
func->SetProtoOrHClass(thread, value.GetTaggedValue());
return true;
}
bool enablePgo = thread->GetEcmaVM()->IsEnablePGOProfiler();
JSMutableHandle<JSTaggedValue> oldPrototype(thread, func->GetProtoOrHClass(thread));
if (enablePgo && oldPrototype->IsHole()) {
oldPrototype.Update(JSHandle<JSTaggedValue>::Cast(NewJSFunctionPrototype(thread, func)));
}
JSHandle<JSTaggedValue> baseIhc(thread, value->GetTaggedObject()->GetClass());
func->SetProtoOrHClass(thread, value.GetTaggedValue());
JSHClass::OptimizePrototypeForIC(thread, thread->GetGlobalEnv(), value, true);
if (thread->GetEcmaVM()->IsEnablePGOProfiler()) {
thread->GetEcmaVM()->GetPGOProfiler()->ProfileProtoTransitionPrototype(func, value, oldPrototype, baseIhc);
}
}
return true;
}
void JSFunction::SetFunctionPrototypeOrInstanceHClass(const JSThread *thread, const JSHandle<JSFunction> &fun,
JSTaggedValue protoOrHClass)
{
JSHandle<JSTaggedValue> protoHandle(thread, protoOrHClass);
fun->SetProtoOrHClass(thread, protoOrHClass);
if (protoHandle->IsJSHClass()) {
protoHandle = JSHandle<JSTaggedValue>(thread,
JSHClass::Cast(protoHandle->GetTaggedObject())->GetPrototype(thread));
}
if (protoHandle->IsECMAObject()) {
JSHClass::OptimizePrototypeForIC(thread, thread->GetGlobalEnv(), protoHandle);
}
}
EcmaString *JSFunction::GetFunctionNameString(const JSThread *thread, ObjectFactory *factory,
JSHandle<EcmaString> concatString, JSHandle<JSTaggedValue> target)
{
if (target->IsJSFunction()) {
JSTaggedValue method = JSHandle<JSFunction>::Cast(target)->GetMethod(thread);
if (!method.IsUndefined()) {
std::string funcName = Method::Cast(method.GetTaggedObject())->ParseFunctionName(thread);
if (!funcName.empty()) {
return *factory->ConcatFromString(concatString, factory->NewFromStdString(funcName));
}
}
}
return *concatString;
}
JSTaggedValue JSFunction::NameGetter(JSThread *thread, const JSHandle<JSObject> &self)
{
if (self->IsBoundFunction()) {
ObjectFactory *factory = thread->GetEcmaVM()->GetFactory();
const GlobalEnvConstants *globalConst = thread->GlobalConstants();
JSMutableHandle<JSBoundFunction> boundFunction(thread, self.GetTaggedValue());
JSHandle<EcmaString> boundPrefix = factory->ConcatFromString(
JSHandle<EcmaString>::Cast(globalConst->GetHandledBoundString()),
JSHandle<EcmaString>::Cast(globalConst->GetHandledSpaceString()));
JSHandle<EcmaString> concatString = boundPrefix;
while (boundFunction->GetBoundTarget(thread).IsBoundFunction()) {
boundFunction.Update(boundFunction->GetBoundTarget(thread));
concatString = factory->ConcatFromString(concatString, boundPrefix);
}
JSHandle<JSTaggedValue> nameKey = globalConst->GetHandledNameString();
JSHandle<JSTaggedValue> target(thread, boundFunction->GetBoundTarget(thread));
JSHandle<JSTaggedValue> targetName = JSObject::GetProperty(thread, target, nameKey).GetValue();
RETURN_EXCEPTION_IF_ABRUPT_COMPLETION(thread);
EcmaString *newString;
if (!targetName->IsString()) {
newString = GetFunctionNameString(thread, factory, concatString, target);
} else {
JSHandle<EcmaString> functionName = JSHandle<EcmaString>::Cast(targetName);
newString = *factory->ConcatFromString(concatString, functionName);
}
return JSTaggedValue(newString);
}
JSTaggedValue method = JSHandle<JSFunction>::Cast(self)->GetMethod(thread);
if (method.IsUndefined()) {
return JSTaggedValue::Undefined();
}
Method *target = Method::Cast(method.GetTaggedObject());
if (target->IsNativeWithCallField()) {
return JSTaggedValue::Undefined();
}
auto [funcName, isASCII] = target->ParseFunctionNameView(thread);
if (funcName.empty()) {
return thread->GlobalConstants()->GetEmptyString();
}
ObjectFactory* factory = thread->GetEcmaVM()->GetFactory();
const JSHandle<EcmaString> nameHdl = factory->NewFromUtf8(funcName, isASCII);
if (JSHandle<JSFunction>::Cast(self)->GetFunctionKind(thread) == FunctionKind::GETTER_FUNCTION) {
return factory->ConcatFromString(
JSHandle<EcmaString>(thread->GlobalConstants()->GetHandledGetWithSpaceString()), nameHdl).GetTaggedValue();
}
if (JSHandle<JSFunction>::Cast(self)->GetFunctionKind(thread) == FunctionKind::SETTER_FUNCTION) {
return factory->ConcatFromString(
JSHandle<EcmaString>(thread->GlobalConstants()->GetHandledSetWithSpaceString()), nameHdl).GetTaggedValue();
}
return nameHdl.GetTaggedValue();
}
JSTaggedValue JSFunction::LengthGetter(JSThread *thread, const JSHandle<JSObject> &self)
{
if (self->IsBoundFunction()) {
JSMutableHandle<JSBoundFunction> boundFunction(thread, self.GetTaggedValue());
JSHandle<JSTaggedValue> arguments(thread, boundFunction->GetBoundArguments(thread));
uint32_t argsLength = TaggedArray::Cast(arguments->GetTaggedObject())->GetLength();
while (boundFunction->GetBoundTarget(thread).IsBoundFunction()) {
boundFunction.Update(boundFunction->GetBoundTarget(thread));
argsLength += TaggedArray::Cast(boundFunction->GetBoundArguments(thread))->GetLength();
}
JSHandle<JSTaggedValue> target(thread, boundFunction->GetBoundTarget(thread));
JSHandle<JSTaggedValue> lengthKey = thread->GlobalConstants()->GetHandledLengthString();
bool targetHasLength =
JSTaggedValue::HasOwnProperty(thread, target, lengthKey);
RETURN_EXCEPTION_IF_ABRUPT_COMPLETION(thread);
uint32_t lengthValue = 0;
if (targetHasLength) {
JSHandle<JSTaggedValue> targetLength = JSTaggedValue::GetProperty(thread, target, lengthKey).GetValue();
RETURN_EXCEPTION_IF_ABRUPT_COMPLETION(thread);
if (targetLength->IsNumber()) {
lengthValue =
std::max(0.0, JSTaggedValue::ToNumber(thread, targetLength).GetNumber() -
static_cast<double>(argsLength));
RETURN_EXCEPTION_IF_ABRUPT_COMPLETION(thread);
}
}
return JSTaggedValue(lengthValue);
}
JSHandle<JSFunction> func(self);
return JSTaggedValue(func->GetLength());
}
bool JSFunction::OrdinaryHasInstance(JSThread *thread, const JSHandle<JSTaggedValue> &constructor,
const JSHandle<JSTaggedValue> &obj)
{
if (!constructor->IsCallable()) {
return false;
}
if (constructor->IsBoundFunction()) {
STACK_LIMIT_CHECK(thread, false);
JSHandle<JSBoundFunction> boundFunction(thread, JSBoundFunction::Cast(constructor->GetTaggedObject()));
JSTaggedValue boundTarget = boundFunction->GetBoundTarget(thread);
return JSObject::InstanceOf(thread, obj, JSHandle<JSTaggedValue>(thread, boundTarget));
}
if (!obj->IsECMAObject()) {
return false;
}
const GlobalEnvConstants *globalConst = thread->GlobalConstants();
JSHandle<JSTaggedValue> prototypeString = globalConst->GetHandledPrototypeString();
JSMutableHandle<JSTaggedValue> constructorPrototype(thread, JSTaggedValue::Undefined());
if (constructor->IsJSFunction()) {
JSHandle<JSFunction> ctor(thread, constructor->GetTaggedObject());
JSHandle<JSTaggedValue> ctorProtoOrHclass(thread, ctor->GetProtoOrHClass(thread));
if (!ctorProtoOrHclass->IsHole()) {
if (!ctorProtoOrHclass->IsJSHClass()) {
constructorPrototype.Update(ctorProtoOrHclass);
} else {
JSTaggedValue ctorProto = JSHClass::Cast(ctorProtoOrHclass->GetTaggedObject())->GetProto(thread);
constructorPrototype.Update(ctorProto);
}
} else {
constructorPrototype.Update(JSTaggedValue::GetProperty(thread, constructor, prototypeString).GetValue());
}
} else {
constructorPrototype.Update(JSTaggedValue::GetProperty(thread, constructor, prototypeString).GetValue());
}
RETURN_VALUE_IF_ABRUPT_COMPLETION(thread, false);
if (!constructorPrototype->IsECMAObject()) {
THROW_TYPE_ERROR_AND_RETURN(thread, "HasInstance: is not Object", false);
}
JSMutableHandle<JSTaggedValue> object(thread, obj.GetTaggedValue());
while (!object->IsNull()) {
object.Update(JSTaggedValue::GetPrototype(thread, object));
RETURN_VALUE_IF_ABRUPT_COMPLETION(thread, false);
if (JSTaggedValue::SameValue(thread, object, constructorPrototype)) {
return true;
}
}
return false;
}
bool JSFunction::MakeConstructor(JSThread *thread, const JSHandle<JSFunction> &func,
const JSHandle<JSTaggedValue> &proto, bool writable)
{
ASSERT_PRINT(proto->IsHeapObject() || proto->IsUndefined(), "proto must be JSObject or Undefined");
ASSERT_PRINT(func->IsConstructor(), "func must be Constructor type");
JSHandle<GlobalEnv> env = thread->GetEcmaVM()->GetGlobalEnv();
const GlobalEnvConstants *globalConst = thread->GlobalConstants();
JSHandle<JSTaggedValue> constructorKey = globalConst->GetHandledConstructorString();
ASSERT_PRINT(func->GetProtoOrHClass(thread).IsHole() && func->IsExtensible(),
"function doesn't has proto_type property and is extensible object");
ASSERT_PRINT(JSObject::HasProperty(thread, JSHandle<JSObject>(func), constructorKey),
"function must have constructor");
bool status = false;
if (proto->IsUndefined()) {
JSHandle<JSTaggedValue> objPrototype = env->GetObjectFunctionPrototype();
PropertyDescriptor constructorDesc(thread, JSHandle<JSTaggedValue>::Cast(func), writable, false, true);
status = JSTaggedValue::DefinePropertyOrThrow(thread, objPrototype, constructorKey, constructorDesc);
} else {
PropertyDescriptor constructorDesc(thread, JSHandle<JSTaggedValue>::Cast(func), writable, false, true);
status = JSTaggedValue::DefinePropertyOrThrow(thread, proto, constructorKey, constructorDesc);
}
RETURN_VALUE_IF_ABRUPT_COMPLETION(thread, false);
ASSERT_PRINT(status, "DefineProperty construct failed");
SetFunctionPrototypeOrInstanceHClass(thread, func, proto.GetTaggedValue());
ASSERT_PRINT(status, "DefineProperty proto_type failed");
return status;
}
JSTaggedValue JSFunction::Call(EcmaRuntimeCallInfo *info)
{
if (info == nullptr) {
return JSTaggedValue::Exception();
}
JSThread *thread = info->GetThread();
RETURN_EXCEPTION_IF_ABRUPT_COMPLETION(thread);
JSHandle<JSTaggedValue> func = info->GetFunction();
if (!func->IsCallable()) {
RETURN_STACK_BEFORE_THROW_IF_ASM(thread);
THROW_TYPE_ERROR_AND_RETURN(thread, "Callable is false", JSTaggedValue::Exception());
}
auto *hclass = func->GetTaggedObject()->GetClass();
if (hclass->IsClassConstructor()) {
RETURN_STACK_BEFORE_THROW_IF_ASM(thread);
THROW_TYPE_ERROR_AND_RETURN(thread, "class constructor cannot call", JSTaggedValue::Exception());
}
return EcmaInterpreter::Execute(info);
}
JSTaggedValue JSFunction::Construct(EcmaRuntimeCallInfo *info)
{
if (info == nullptr) {
return JSTaggedValue::Exception();
}
JSThread *thread = info->GetThread();
JSHandle<JSTaggedValue> func(info->GetFunction());
JSHandle<JSTaggedValue> target = info->GetNewTarget();
if (target->IsUndefined()) {
target = func;
info->SetNewTarget(target.GetTaggedValue());
}
if (!(func->IsConstructor() && target->IsConstructor())) {
RETURN_STACK_BEFORE_THROW_IF_ASM(thread);
THROW_TYPE_ERROR_AND_RETURN(thread, "Constructor is false", JSTaggedValue::Exception());
}
if (func->IsJSFunction()) {
return JSFunction::ConstructInternal(info);
} else if (func->IsJSProxy()) {
return JSProxy::ConstructInternal(info);
} else {
ASSERT(func->IsBoundFunction());
return JSBoundFunction::ConstructInternal(info);
}
}
JSTaggedValue JSFunction::Invoke(EcmaRuntimeCallInfo *info, const JSHandle<JSTaggedValue> &key)
{
if (info == nullptr) {
return JSTaggedValue::Exception();
}
ASSERT(JSTaggedValue::IsPropertyKey(key));
JSThread *thread = info->GetThread();
JSHandle<JSTaggedValue> thisArg = info->GetThis();
JSHandle<JSTaggedValue> func(JSTaggedValue::GetProperty(thread, thisArg, key).GetValue());
RETURN_EXCEPTION_IF_ABRUPT_COMPLETION(thread);
info->SetFunction(func.GetTaggedValue());
return JSFunction::Call(info);
}
JSTaggedValue JSFunction::InvokeOptimizedEntrypoint(JSThread *thread, JSHandle<JSFunction> mainFunc,
JSHandle<JSTaggedValue> &thisArg, CJSInfo* cjsInfo)
{
ASSERT(thread->IsInManagedState());
if (mainFunc->IsClassConstructor()) {
{
ObjectFactory *factory = thread->GetEcmaVM()->GetFactory();
JSHandle<JSObject> error = factory->GetJSError(ErrorType::TYPE_ERROR,
"class constructor cannot called without 'new'", StackCheck::NO);
thread->SetException(error.GetTaggedValue());
}
return thread->GetException();
}
Method *method = mainFunc->GetCallTarget(thread);
size_t actualNumArgs = method->GetNumArgs();
const JSTaggedType *prevFp = thread->GetLastLeaveFrame();
JSTaggedValue res;
std::vector<JSTaggedType> args;
#if ECMASCRIPT_ENABLE_FUNCTION_CALL_TIMER
RuntimeStubs::StartCallTimer(thread->GetGlueAddr(), mainFunc.GetTaggedType(), true);
#endif
#if ECMASCRIPT_ENABLE_ARK_STEED
res = thread->GetEcmaVM()->ExecuteArkSteed(actualNumArgs, args.data(), prevFp);
#else
if (mainFunc->IsCompiledFastCall()) {
args = JSFunction::GetArgsData(thread, true, thisArg, mainFunc, cjsInfo);
res = thread->GetEcmaVM()->FastCallAot(actualNumArgs, args.data(), prevFp);
} else {
args = JSFunction::GetArgsData(thread, false, thisArg, mainFunc, cjsInfo);
res = thread->GetEcmaVM()->ExecuteAot(actualNumArgs, args.data(), prevFp, false);
}
#endif
#if ECMASCRIPT_ENABLE_FUNCTION_CALL_TIMER
RuntimeStubs::EndCallTimer(thread->GetGlueAddr(), mainFunc.GetTaggedType());
#endif
if (thread->HasPendingException()) {
return thread->GetException();
}
return res;
}
std::vector<JSTaggedType> JSFunction::GetArgsData(JSThread *thread, bool isFastCall, JSHandle<JSTaggedValue> &thisArg,
JSHandle<JSFunction> mainFunc, CJSInfo* cjsInfo)
{
size_t argsNum;
uint32_t mandatoryNum;
Method *method = mainFunc->GetCallTarget(thread);
size_t actualNumArgs = method->GetNumArgs();
if (isFastCall) {
argsNum = actualNumArgs + NUM_MANDATORY_JSFUNC_ARGS - 1;
mandatoryNum = NUM_MANDATORY_JSFUNC_ARGS - 1;
} else {
argsNum = actualNumArgs + NUM_MANDATORY_JSFUNC_ARGS;
mandatoryNum = NUM_MANDATORY_JSFUNC_ARGS;
}
std::vector<JSTaggedType> args(argsNum, JSTaggedValue::Undefined().GetRawData());
args[0] = mainFunc.GetTaggedValue().GetRawData();
if (isFastCall) {
args[1] = thisArg.GetTaggedValue().GetRawData();
} else {
args[2] = thisArg.GetTaggedValue().GetRawData();
}
if (cjsInfo != nullptr) {
args[mandatoryNum++] = cjsInfo->exportsHdl.GetTaggedValue().GetRawData();
args[mandatoryNum++] = cjsInfo->requireHdl.GetTaggedValue().GetRawData();
args[mandatoryNum++] = cjsInfo->moduleHdl.GetTaggedValue().GetRawData();
args[mandatoryNum++] = cjsInfo->filenameHdl.GetTaggedValue().GetRawData();
args[mandatoryNum] = cjsInfo->dirnameHdl.GetTaggedValue().GetRawData();
}
return args;
}
JSTaggedValue JSFunction::InvokeOptimizedEntrypoint(JSThread *thread, JSHandle<JSFunction> func,
EcmaRuntimeCallInfo *info)
{
ASSERT(thread->IsInManagedState());
Method *method = func->GetCallTarget(thread);
JSTaggedValue resultValue;
size_t numArgs = method->GetNumArgsWithCallField();
bool needPushArgv = numArgs > info->GetArgsNumber();
const JSTaggedType *prevFp = thread->GetLastLeaveFrame();
#if ECMASCRIPT_ENABLE_FUNCTION_CALL_TIMER
RuntimeStubs::StartCallTimer(thread->GetGlueAddr(), func.GetTaggedType(), true);
#endif
#if ECMASCRIPT_ENABLE_ARK_STEED
size_t actualNumArgs = info->GetArgsNumber();
resultValue = thread->GetEcmaVM()->ExecuteArkSteed(actualNumArgs, info->GetArgs(), prevFp);
#else
if (func->IsCompiledFastCall()) {
if (needPushArgv) {
info = EcmaInterpreter::ReBuildRuntimeCallInfo(thread, info, numArgs);
RETURN_EXCEPTION_IF_ABRUPT_COMPLETION(thread);
}
JSTaggedType *stackArgs = info->GetArgs();
stackArgs[1] = stackArgs[0];
resultValue = thread->GetEcmaVM()->FastCallAot(info->GetArgsNumber(), stackArgs + 1, prevFp);
} else {
resultValue = thread->GetEcmaVM()->ExecuteAot(info->GetArgsNumber(),
info->GetArgs(), prevFp, needPushArgv);
}
#endif
#if ECMASCRIPT_ENABLE_FUNCTION_CALL_TIMER
RuntimeStubs::EndCallTimer(thread->GetGlueAddr(), func.GetTaggedType());
#endif
return resultValue;
}
JSTaggedValue JSFunction::ConstructInternal(EcmaRuntimeCallInfo *info)
{
ASSERT(info != nullptr);
JSThread *thread = info->GetThread();
JSHandle<JSFunction> func(thread, info->GetFunction().GetTaggedValue());
JSHandle<JSTaggedValue> newTarget(info->GetNewTarget());
ASSERT(newTarget->IsECMAObject());
if (!func->IsConstructor()) {
RETURN_STACK_BEFORE_THROW_IF_ASM(thread);
THROW_TYPE_ERROR_AND_RETURN(thread, "Constructor is false", JSTaggedValue::Exception());
}
JSHandle<JSTaggedValue> obj(thread, JSTaggedValue::Undefined());
if (func->IsBase(thread)) {
ObjectFactory *factory = thread->GetEcmaVM()->GetFactory();
obj = JSHandle<JSTaggedValue>(factory->NewJSObjectByConstructor(func, newTarget));
RETURN_EXCEPTION_IF_ABRUPT_COMPLETION(thread);
}
JSTaggedValue resultValue;
info->SetThis(obj.GetTaggedValue());
if (func->IsCompiledCode() && thread->HasSwitchedToStwStub()) {
resultValue = InvokeOptimizedEntrypoint(thread, func, info);
const JSTaggedType *curSp = thread->GetCurrentSPFrame();
InterpretedEntryFrame *entryState = InterpretedEntryFrame::GetFrameFromSp(curSp);
JSTaggedType *prevSp = entryState->base.prev;
thread->SetCurrentSPFrame(prevSp);
} else {
resultValue = EcmaInterpreter::Execute(info);
}
RETURN_EXCEPTION_IF_ABRUPT_COMPLETION(thread);
if (resultValue.IsECMAObject()) {
return resultValue;
}
if (func->IsBase(thread)) {
return obj.GetTaggedValue();
}
if (func->IsDerivedConstructor(thread)) {
if (!resultValue.IsECMAObject() && !resultValue.IsUndefined()) {
THROW_TYPE_ERROR_AND_RETURN(thread,
"derived class constructor must return an object or undefined", JSTaggedValue::Exception());
}
return resultValue;
}
if (!resultValue.IsUndefined()) {
RETURN_STACK_BEFORE_THROW_IF_ASM(thread);
THROW_TYPE_ERROR_AND_RETURN(thread, "function is non-constructor", JSTaggedValue::Exception());
}
return obj.GetTaggedValue();
}
JSHandle<JSTaggedValue> JSFunctionBase::GetFunctionName(JSThread *thread, const JSHandle<JSFunctionBase> &func)
{
JSHandle<JSTaggedValue> nameKey = thread->GlobalConstants()->GetHandledNameString();
return JSObject::GetProperty(thread, JSHandle<JSTaggedValue>(func), nameKey).GetValue();
}
bool JSFunctionBase::SetFunctionName(JSThread *thread, const JSHandle<JSFunctionBase> &func,
const JSHandle<JSTaggedValue> &name, const JSHandle<JSTaggedValue> &prefix)
{
ASSERT_PRINT(func->IsExtensible(), "Function must be extensible");
ASSERT_PRINT(name->IsStringOrSymbol(), "name must be string or symbol");
bool needPrefix = false;
ObjectFactory *factory = thread->GetEcmaVM()->GetFactory();
const GlobalEnvConstants *globalConst = thread->GlobalConstants();
if (!prefix->IsUndefined()) {
ASSERT_PRINT(prefix->IsString(), "prefix must be string");
needPrefix = true;
}
JSHandle<EcmaString> functionName;
if (name->IsSymbol()) {
JSTaggedValue description = JSHandle<JSSymbol>::Cast(name)->GetDescription(thread);
JSHandle<EcmaString> descriptionHandle(thread, description);
if (description.IsUndefined()) {
functionName = factory->GetEmptyString();
} else {
JSHandle<EcmaString> leftBrackets(globalConst->GetHandledLeftSquareBracketString());
JSHandle<EcmaString> rightBrackets(globalConst->GetHandledRightSquareBracketString());
functionName = factory->ConcatFromString(leftBrackets, descriptionHandle);
functionName = factory->ConcatFromString(functionName, rightBrackets);
}
} else {
functionName = JSHandle<EcmaString>::Cast(name);
}
EcmaString *newString;
if (needPrefix) {
JSHandle<EcmaString> handlePrefixString = JSTaggedValue::ToString(thread, prefix);
JSHandle<EcmaString> spaceString(globalConst->GetHandledSpaceString());
JSHandle<EcmaString> concatString = factory->ConcatFromString(handlePrefixString, spaceString);
newString = *factory->ConcatFromString(concatString, functionName);
} else {
newString = *functionName;
}
JSHandle<JSTaggedValue> nameHandle(thread, newString);
if (!nameHandle.IsEmpty()
&& nameHandle.GetTaggedValue() == globalConst->GetHandledTrimLeftString().GetTaggedValue()) {
nameHandle = globalConst->GetHandledTrimStartString();
}
if (!nameHandle.IsEmpty()
&& nameHandle.GetTaggedValue() == globalConst->GetHandledTrimRightString().GetTaggedValue()) {
nameHandle = globalConst->GetHandledTrimEndString();
}
JSHandle<JSTaggedValue> nameKey = globalConst->GetHandledNameString();
PropertyDescriptor nameDesc(thread, nameHandle, false, false, true);
JSHandle<JSTaggedValue> funcHandle(func);
return JSTaggedValue::DefinePropertyOrThrow(thread, funcHandle, nameKey, nameDesc);
}
bool JSFunction::SetFunctionLength(JSThread *thread, const JSHandle<JSFunction> &func, JSTaggedValue length, bool cfg)
{
ASSERT_PRINT(func->IsExtensible(), "Function must be extensible");
ASSERT_PRINT(length.IsInteger(), "length must be integer");
JSHandle<JSTaggedValue> lengthKeyHandle = thread->GlobalConstants()->GetHandledLengthString();
ASSERT_PRINT(!JSTaggedValue::Less(thread, JSHandle<JSTaggedValue>(thread, length),
JSHandle<JSTaggedValue>(thread, JSTaggedValue(0))),
"length must be non negative integer");
PropertyDescriptor lengthDesc(thread, JSHandle<JSTaggedValue>(thread, length), false, false, cfg);
JSHandle<JSTaggedValue> funcHandle(func);
return JSTaggedValue::DefinePropertyOrThrow(thread, funcHandle, lengthKeyHandle, lengthDesc);
}
void JSApiFunction::InitializeJSApiFunction(JSThread* thread, const JSHandle<JSFunction>& func, FunctionKind kind)
{
func->InitBitField();
func->SetProtoOrHClass<SKIP_BARRIER>(thread, JSTaggedValue::Hole());
func->SetHomeObject<SKIP_BARRIER>(thread, JSTaggedValue::Undefined());
func->SetMethod<SKIP_BARRIER>(thread, JSTaggedValue::Undefined());
func->SetCodeEntry(reinterpret_cast<uintptr_t>(nullptr));
func->ClearCompiledCodeFlags();
func->SetTaskConcurrentFuncFlag(0);
func->SetCallNapi(false);
func->SetLexicalEnv<SKIP_BARRIER>(thread, JSTaggedValue::Undefined());
JSFunction::InitializeJSFunctionCommon(thread, func, kind);
}
JSTaggedValue JSBoundFunction::ConstructInternal(EcmaRuntimeCallInfo *info)
{
JSThread *thread = info->GetThread();
JSHandle<JSBoundFunction> func(info->GetFunction());
JSHandle<JSTaggedValue> target(thread, func->GetBoundTarget(thread));
if (!target->IsConstructor()) {
THROW_TYPE_ERROR_AND_RETURN(thread, "Constructor is false", JSTaggedValue::Exception());
}
JSHandle<JSTaggedValue> newTarget = info->GetNewTarget();
JSMutableHandle<JSTaggedValue> newTargetMutable(thread, newTarget.GetTaggedValue());
if (JSTaggedValue::SameValue(thread, func.GetTaggedValue(), newTarget.GetTaggedValue())) {
newTargetMutable.Update(target.GetTaggedValue());
}
JSHandle<TaggedArray> boundArgs(thread, func->GetBoundArguments(thread));
const uint32_t boundLength = boundArgs->GetLength();
const uint32_t argsLength = info->GetArgsNumber() + boundLength;
JSHandle<JSTaggedValue> undefined = thread->GlobalConstants()->GetHandledUndefined();
uint32_t argc = info->GetArgsNumber();
std::vector<JSTaggedType> argArray(argc);
for (uint32_t index = 0; index < argc; ++index) {
argArray[index] = info->GetCallArgValue(index).GetRawData();
}
JSTaggedType *currentSp = reinterpret_cast<JSTaggedType *>(info);
InterpretedEntryFrame *currentEntryState = InterpretedEntryFrame::GetFrameFromSp(currentSp);
JSTaggedType *prevSp = currentEntryState->base.prev;
thread->SetCurrentSPFrame(prevSp);
EcmaRuntimeCallInfo *runtimeInfo =
EcmaInterpreter::NewRuntimeCallInfo(thread, target, undefined, newTargetMutable, argsLength);
RETURN_EXCEPTION_IF_ABRUPT_COMPLETION(thread);
if (boundLength != 0) {
runtimeInfo->SetCallArg(boundLength, boundArgs);
}
for (uint32_t index = 0; index < argc; index++) {
runtimeInfo->SetCallArg(static_cast<uint32_t>(index + boundLength), JSTaggedValue(argArray[index]));
}
return JSFunction::Construct(runtimeInfo);
}
void JSProxyRevocFunction::ProxyRevocFunctions(const JSThread *thread, const JSHandle<JSProxyRevocFunction> &revoker)
{
JSTaggedValue proxy = revoker->GetRevocableProxy(thread);
if (proxy.IsNull()) {
return;
}
revoker->SetRevocableProxy(thread, JSTaggedValue::Null());
ASSERT(proxy.IsJSProxy());
JSHandle<JSProxy> proxyHandle(thread, proxy);
proxyHandle->SetTarget(thread, JSTaggedValue::Null());
proxyHandle->SetHandler(thread, JSTaggedValue::Null());
proxyHandle->SetIsRevoked(true);
}
JSTaggedValue JSFunction::AccessCallerArgumentsThrowTypeError(EcmaRuntimeCallInfo *argv)
{
THROW_TYPE_ERROR_AND_RETURN(argv->GetThread(),
"Under strict mode, 'caller' and 'arguments' properties must not be accessed.",
JSTaggedValue::Exception());
}
JSTaggedValue JSIntlBoundFunction::IntlNameGetter(JSThread *thread, [[maybe_unused]] const JSHandle<JSObject> &self)
{
return thread->GlobalConstants()->GetEmptyString();
}
void JSFunction::SetFunctionNameNoPrefix(JSThread *thread, JSFunction *func, JSTaggedValue name)
{
ASSERT_PRINT(func->IsExtensible(), "Function must be extensible");
ObjectFactory *factory = thread->GetEcmaVM()->GetFactory();
const GlobalEnvConstants *globalConst = thread->GlobalConstants();
JSHandle<JSTaggedValue> funcHandle(thread, func);
{
JSMutableHandle<JSTaggedValue> nameHandle(thread, JSTaggedValue::Undefined());
if (!name.IsSymbol()) {
nameHandle.Update(name);
} else {
JSHandle<JSTaggedValue> nameBegin(thread, name);
JSTaggedValue description = JSSymbol::Cast(name.GetTaggedObject())->GetDescription(thread);
if (description.IsUndefined()) {
nameHandle.Update(globalConst->GetEmptyString());
} else {
JSHandle<EcmaString> leftBrackets(globalConst->GetHandledLeftSquareBracketString());
JSHandle<EcmaString> rightBrackets(globalConst->GetHandledRightSquareBracketString());
JSHandle<EcmaString> concatName = factory->ConcatFromString(leftBrackets,
JSHandle<EcmaString>(thread, JSSymbol::Cast(nameBegin->GetTaggedObject())->GetDescription(thread)));
concatName = factory->ConcatFromString(concatName, rightBrackets);
nameHandle.Update(concatName.GetTaggedValue());
}
}
PropertyDescriptor nameDesc(thread, nameHandle, false, false, true);
JSTaggedValue::DefinePropertyOrThrow(thread, funcHandle, globalConst->GetHandledNameString(), nameDesc);
}
}
JSHandle<JSHClass> JSFunction::GetInstanceJSHClass(JSThread *thread, JSHandle<JSFunction> constructor,
JSHandle<JSTaggedValue> newTarget)
{
JSHandle<JSHClass> ctorInitialJSHClass(thread, JSFunction::GetOrCreateInitialJSHClass(thread, constructor));
if (newTarget.GetTaggedValue() == constructor.GetTaggedValue()) {
return ctorInitialJSHClass;
}
if (newTarget->IsJSFunction()) {
JSHandle<JSFunction> newTargetFunc = JSHandle<JSFunction>::Cast(newTarget);
if (newTargetFunc->IsDerivedConstructor(thread)) {
JSMutableHandle<JSTaggedValue> mutableNewTarget(thread, newTarget.GetTaggedValue());
JSMutableHandle<JSTaggedValue> mutableNewTargetProto(thread, JSTaggedValue::Undefined());
while (!mutableNewTargetProto->IsNull()) {
mutableNewTargetProto.Update(JSTaggedValue::GetPrototype(thread, mutableNewTarget));
RETURN_HANDLE_IF_ABRUPT_COMPLETION(JSHClass, thread);
if (mutableNewTargetProto.GetTaggedValue() == constructor.GetTaggedValue()) {
return GetOrCreateDerivedJSHClass(thread, newTargetFunc, ctorInitialJSHClass);
}
mutableNewTarget.Update(mutableNewTargetProto.GetTaggedValue());
}
}
}
JSMutableHandle<JSTaggedValue> prototype(thread, JSTaggedValue::Undefined());
if (newTarget->IsJSFunction()) {
JSHandle<JSFunction> newTargetFunc = JSHandle<JSFunction>::Cast(newTarget);
FunctionKind kind = newTargetFunc->GetFunctionKind(thread);
if (HasPrototype(kind)) {
prototype.Update(PrototypeGetter(thread, JSHandle<JSObject>::Cast(newTargetFunc)));
}
} else {
JSHandle<JSTaggedValue> customizePrototype =
JSTaggedValue::GetProperty(thread, newTarget, thread->GlobalConstants()->GetHandledPrototypeString())
.GetValue();
RETURN_HANDLE_IF_ABRUPT_COMPLETION(JSHClass, thread);
prototype.Update(customizePrototype.GetTaggedValue());
ctorInitialJSHClass = JSHandle<JSHClass>(thread, JSFunction::GetOrCreateInitialJSHClass(thread, constructor));
}
if (!prototype->IsECMAObject()) {
prototype.Update(constructor->GetFunctionPrototype(thread));
}
JSHandle<JSHClass> newJSHClass = JSHClass::Clone(thread, ctorInitialJSHClass);
newJSHClass->SetElementsKind(ElementsKind::GENERIC);
JSHClass::SetPrototype(thread, newJSHClass, prototype);
return newJSHClass;
}
JSHandle<JSHClass> JSFunction::GetOrCreateDerivedJSHClass(JSThread *thread, JSHandle<JSFunction> derived,
JSHandle<JSHClass> ctorInitialJSHClass)
{
JSTaggedValue protoOrHClass(derived->GetProtoOrHClass(thread));
if (protoOrHClass.IsJSHClass()) {
return JSHandle<JSHClass>(thread, protoOrHClass);
}
JSHandle<JSHClass> newJSHClass;
if (thread->GetEcmaVM()->GetJSOptions().IsEnableInlinePropertyOptimization()) {
bool isStartObjSizeTracking = true;
uint32_t expectedOfProperties = CalcuExpotedOfProperties(thread, derived, &isStartObjSizeTracking);
if (isStartObjSizeTracking) {
newJSHClass = JSHClass::CloneAndIncInlinedProperties(thread, ctorInitialJSHClass, expectedOfProperties);
newJSHClass->StartObjSizeTracking();
} else {
newJSHClass = JSHClass::Clone(thread, ctorInitialJSHClass);
}
} else {
newJSHClass = JSHClass::Clone(thread, ctorInitialJSHClass);
}
newJSHClass->SetElementsKind(ElementsKind::GENERIC);
JSHandle<JSTaggedValue> prototype(thread, derived->GetProtoOrHClass(thread));
ASSERT(!prototype->IsHole());
JSHClass::SetPrototype(thread, newJSHClass, prototype);
derived->SetProtoOrHClass(thread, newJSHClass);
if (thread->GetEcmaVM()->IsEnablePGOProfiler()) {
thread->GetEcmaVM()->GetPGOProfiler()->ProfileClassRootHClass(derived.GetTaggedType(),
newJSHClass.GetTaggedType());
}
return newJSHClass;
}
CString JSFunction::GetRecordName(const JSThread *thread) const
{
JSTaggedValue module = GetModule(thread);
if (module.IsSourceTextModule()) {
return SourceTextModule::GetModuleName(module);
}
if (module.IsString()) {
return ConvertToString(thread, module);
}
LOG_INTERPRETER(DEBUG) << "record name is undefined";
return "";
}
void JSFunction::InitializeJSFunction(JSThread *thread, [[maybe_unused]] const JSHandle<GlobalEnv> &env,
const JSHandle<JSFunction> &func, FunctionKind kind)
{
InitializeJSFunction(thread, func, kind);
}
bool JSFunction::NameSetter(JSThread *thread, const JSHandle<JSObject> &self, const JSHandle<JSTaggedValue> &value,
[[maybe_unused]] bool mayThrow)
{
if (self->IsPropertiesDict(thread)) {
JSHandle<JSTaggedValue> nameString = thread->GlobalConstants()->GetHandledNameString();
return self->UpdatePropertyInDictionary(thread, nameString.GetTaggedValue(), value.GetTaggedValue());
}
self->SetPropertyInlinedProps(thread, NAME_INLINE_PROPERTY_INDEX, value.GetTaggedValue());
return true;
}
void JSFunction::SetFunctionLength(const JSThread *thread, JSTaggedValue length)
{
ASSERT(!IsPropertiesDict(thread));
SetPropertyInlinedProps(thread, LENGTH_INLINE_PROPERTY_INDEX, length);
}
void JSFunction::SetFunctionExtraInfo(JSThread *thread, const JSHandle<JSFunction> &func, void *nativeFunc,
const NativePointerCallback &deleter, void *data, size_t nativeBindingsize,
Concurrent isConcurrent)
{
JSTaggedType hashField = Barriers::GetTaggedValue(thread, *func, HASH_OFFSET);
EcmaVM *vm = thread->GetEcmaVM();
JSHandle<JSTaggedValue> value(thread, JSTaggedValue(hashField));
JSHandle<JSNativePointer> pointer = vm->GetFactory()->NewJSNativePointer(nativeFunc, deleter, data,
false, nativeBindingsize, isConcurrent);
if (!func->HasHash(thread)) {
Barriers::SetObject<true>(thread, *func, HASH_OFFSET, pointer.GetTaggedValue().GetRawData());
return;
}
if (value->IsHeapObject()) {
if (value->IsJSNativePointer()) {
Barriers::SetObject<true>(thread, *func, HASH_OFFSET, pointer.GetTaggedValue().GetRawData());
return;
}
JSHandle<TaggedArray> array(value);
uint32_t nativeFieldCount = array->GetExtraLength();
if (array->GetLength() >= nativeFieldCount + RESOLVED_MAX_SIZE) {
array->Set(thread, nativeFieldCount + FUNCTION_EXTRA_INDEX, pointer);
} else {
JSHandle<TaggedArray> newArray = vm->GetFactory()->NewTaggedArray(nativeFieldCount + RESOLVED_MAX_SIZE);
newArray->SetExtraLength(nativeFieldCount);
for (uint32_t i = 0; i < nativeFieldCount; i++) {
newArray->Set(thread, i, array->Get(thread, i));
}
newArray->Set(thread, nativeFieldCount + HASH_INDEX, array->Get(thread, nativeFieldCount + HASH_INDEX));
newArray->Set(thread, nativeFieldCount + FUNCTION_EXTRA_INDEX, pointer);
Barriers::SetObject<true>(thread, *func, HASH_OFFSET, newArray.GetTaggedValue().GetRawData());
}
} else {
JSHandle<TaggedArray> newArray = vm->GetFactory()->NewTaggedArray(RESOLVED_MAX_SIZE);
newArray->SetExtraLength(0);
newArray->Set(thread, HASH_INDEX, value);
newArray->Set(thread, FUNCTION_EXTRA_INDEX, pointer);
Barriers::SetObject<true>(thread, *func, HASH_OFFSET, newArray.GetTaggedValue().GetRawData());
}
}
void JSFunction::SetSFunctionExtraInfo(JSThread *thread, const JSHandle<JSFunction> &func, void *nativeFunc,
const NativePointerCallback &deleter, void *data, size_t nativeBindingsize)
{
JSTaggedType hashField = Barriers::GetTaggedValue(thread, *func, HASH_OFFSET);
EcmaVM *vm = thread->GetEcmaVM();
JSHandle<JSTaggedValue> value(thread, JSTaggedValue(hashField));
JSHandle<JSNativePointer> pointer =
vm->GetFactory()->NewSJSNativePointer(nativeFunc, deleter, data, false, nativeBindingsize);
if (!func->HasHash(thread)) {
Barriers::SetObject<true>(thread, *func, HASH_OFFSET, pointer.GetTaggedValue().GetRawData());
return;
}
if (value->IsHeapObject()) {
if (value->IsJSNativePointer()) {
Barriers::SetObject<true>(thread, *func, HASH_OFFSET, pointer.GetTaggedValue().GetRawData());
return;
}
JSHandle<TaggedArray> array(value);
uint32_t nativeFieldCount = array->GetExtraLength();
if (array->GetLength() >= nativeFieldCount + RESOLVED_MAX_SIZE) {
array->Set(thread, nativeFieldCount + FUNCTION_EXTRA_INDEX, pointer);
} else {
JSHandle<TaggedArray> newArray =
vm->GetFactory()->NewSTaggedArrayWithoutInit(nativeFieldCount + RESOLVED_MAX_SIZE);
newArray->SetExtraLength(nativeFieldCount);
for (uint32_t i = 0; i < nativeFieldCount; i++) {
newArray->Set(thread, i, array->Get(thread, i));
}
newArray->Set(thread, nativeFieldCount + HASH_INDEX, array->Get(thread, nativeFieldCount + HASH_INDEX));
newArray->Set(thread, nativeFieldCount + FUNCTION_EXTRA_INDEX, pointer);
Barriers::SetObject<true>(thread, *func, HASH_OFFSET, newArray.GetTaggedValue().GetRawData());
}
} else {
JSHandle<TaggedArray> newArray = vm->GetFactory()->NewSTaggedArrayWithoutInit(RESOLVED_MAX_SIZE);
newArray->SetExtraLength(0);
newArray->Set(thread, HASH_INDEX, value);
newArray->Set(thread, FUNCTION_EXTRA_INDEX, pointer);
Barriers::SetObject<true>(thread, *func, HASH_OFFSET, newArray.GetTaggedValue().GetRawData());
}
}
void JSFunction::SetProfileTypeInfo(const JSThread *thread, const JSHandle<JSFunction> &func,
const JSHandle<JSTaggedValue> &value)
{
JSHandle<ProfileTypeInfoCell> handleRaw(thread, func->GetRawProfileTypeInfo(thread));
if (handleRaw->IsEmptyProfileTypeInfoCell(thread)) {
JSHandle<ProfileTypeInfoCell> handleProfileTypeInfoCell =
thread->GetEcmaVM()->GetFactory()->NewProfileTypeInfoCell(value);
func->SetRawProfileTypeInfo(thread, handleProfileTypeInfoCell);
return;
}
handleRaw->SetValue(thread, value);
}
void JSFunction::UpdateProfileTypeInfoCell(JSThread *thread, JSHandle<FunctionTemplate> literalFunc,
JSHandle<JSFunction> targetFunc)
{
auto profileTypeInfoCellVal = literalFunc->GetRawProfileTypeInfo(thread);
ASSERT(profileTypeInfoCellVal.IsProfileTypeInfoCell());
auto profileTypeInfoCell = ProfileTypeInfoCell::Cast(profileTypeInfoCellVal);
if (profileTypeInfoCell->IsEmptyProfileTypeInfoCell(thread)) {
JSHandle<JSTaggedValue> handleUndefined(thread, JSTaggedValue::Undefined());
JSHandle<ProfileTypeInfoCell> newProfileTypeInfoCell =
thread->GetEcmaVM()->GetFactory()->NewProfileTypeInfoCell(handleUndefined);
literalFunc->SetRawProfileTypeInfo(thread, newProfileTypeInfoCell);
targetFunc->SetRawProfileTypeInfo(thread, newProfileTypeInfoCell);
} else {
ProfileTypeInfoCell::Cast(profileTypeInfoCell)->UpdateProfileTypeInfoCellType(thread);
targetFunc->SetRawProfileTypeInfo(thread, profileTypeInfoCellVal);
}
}
void JSFunction::SetJitMachineCodeCache(const JSThread *thread, const JSHandle<MachineCode> &machineCode)
{
JSHandle<ProfileTypeInfoCell> handleRaw(thread, GetRawProfileTypeInfo(thread));
ASSERT(!handleRaw->IsEmptyProfileTypeInfoCell(thread));
handleRaw->SetMachineCode(thread, machineCode.GetTaggedValue().CreateAndGetWeakRef());
}
JSTaggedValue JSFunctionBase::GetFunctionExtraInfo(const JSThread *thread) const
{
JSTaggedType hashField = Barriers::GetTaggedValue(thread, this, HASH_OFFSET);
JSTaggedValue value(hashField);
if (value.IsHeapObject()) {
if (value.IsTaggedArray()) {
TaggedArray *array = TaggedArray::Cast(value.GetTaggedObject());
uint32_t nativeFieldCount = array->GetExtraLength();
if (array->GetLength() >= nativeFieldCount + RESOLVED_MAX_SIZE) {
return array->Get(thread, nativeFieldCount + FUNCTION_EXTRA_INDEX);
}
}
if (value.IsJSNativePointer()) {
return value;
}
JSType valueType = value.GetTaggedObject()->GetClass()->GetObjectType();
JSType thisType = this->GetClass()->GetObjectType();
LOG_ECMA(FATAL) << "this branch is unreachable, thisType is " << static_cast<uint8_t>(thisType)
<< ", value type is " << static_cast<uint8_t>(valueType);
UNREACHABLE();
}
return JSTaggedValue::Undefined();
}
JSTaggedValue JSFunction::GetNativeFunctionExtraInfo(const JSThread *thread) const
{
JSTaggedType hashField = Barriers::GetTaggedValue(thread, this, HASH_OFFSET);
JSTaggedValue value(hashField);
if (value.CheckIsJSNativePointer()) {
return value;
}
return JSTaggedValue::Undefined();
}
void JSFunction::InitializeForConcurrentFunction(JSThread *thread, JSHandle<JSFunction> &func)
{
JSHandle<Method> method(thread, func->GetMethod(thread));
JSMutableHandle<JSTaggedValue> sendableEnv(thread, JSTaggedValue::Undefined());
if (func->IsSharedFunction() && !func->GetModule(thread).IsUndefined()) {
sendableEnv.Update(SourceTextModule::Cast(func->GetModule(thread))->GetSendableEnv(thread));
}
const JSPandaFile *jsPandaFile = method->GetJSPandaFile(thread);
if (jsPandaFile == nullptr) {
LOG_ECMA(ERROR) << "JSPandaFile is nullptr";
return;
}
ecmascript::CString moduleName = jsPandaFile->GetJSPandaFileDesc();
ecmascript::CString recordName = method->GetRecordNameStr(thread);
ecmascript::JSRecordInfo *recordInfo = jsPandaFile->CheckAndGetRecordInfo(recordName);
if (recordInfo == nullptr) {
CString msg = "Cannot find module '" + recordName + "' , which is application Entry Point";
LOG_ECMA(ERROR) << msg;
return;
}
if (!jsPandaFile->IsModule(recordInfo)) {
LOG_ECMA(DEBUG) << "Current function is not from ES Module's file.";
return;
}
ecmascript::ModuleManager *moduleManager = thread->GetModuleManager();
LOG_ECMA(DEBUG) << "CompileMode is " << (jsPandaFile->IsBundlePack() ? "jsbundle" : "esmodule");
JSHandle<ecmascript::JSTaggedValue> moduleRecord =
ModuleResolver::HostResolveImportedModule(thread, moduleName, recordName);
RETURN_IF_ABRUPT_COMPLETION(thread);
ecmascript::SourceTextModule::Instantiate(thread, moduleRecord);
RETURN_IF_ABRUPT_COMPLETION(thread);
JSHandle<ecmascript::SourceTextModule> module = JSHandle<ecmascript::SourceTextModule>::Cast(moduleRecord);
module->SetStatus(ecmascript::ModuleStatus::INSTANTIATED);
ecmascript::SourceTextModule::EvaluateForConcurrent(thread, module, method);
RETURN_IF_ABRUPT_COMPLETION(thread);
if (!jsPandaFile->IsBundlePack() && func->IsSharedFunction()) {
JSHandle<JSTaggedValue> sendableClassRecord = moduleManager->GenerateSendableFuncModule(moduleRecord);
SourceTextModule::Cast(sendableClassRecord.GetTaggedValue())->SetSendableEnv(thread, sendableEnv);
func->SetModule(thread, sendableClassRecord);
} else {
func->SetModule(thread, moduleRecord);
}
auto *notificationMgr = thread->GetEcmaVM()->GetJsDebuggerManager()->GetNotificationManager();
notificationMgr->LoadModuleEvent(moduleName, recordName);
}
bool JSFunction::IsSendableOrConcurrentFunction(JSThread *thread) const
{
if (this->GetClass()->IsJSSharedFunction() || this->GetClass()->IsJSSharedAsyncFunction() ||
this->GetFunctionKind(thread) == ecmascript::FunctionKind::CONCURRENT_FUNCTION) {
return true;
}
return false;
}
bool JSFunction::IsSharedFunction() const
{
if (this->GetClass()->IsJSSharedFunction() || this->GetClass()->IsJSSharedAsyncFunction()) {
return true;
}
return false;
}
void JSFunctionBase::SetCompiledFuncEntry(uintptr_t codeEntry, bool isFastCall)
{
ASSERT(codeEntry != 0);
SetCodeEntry(codeEntry);
SetIsCompiledFastCall(isFastCall);
SetCompiledCodeBit(true);
}
void JSFunction::SetJitCompiledFuncEntry(JSThread *thread, JSHandle<MachineCode> &machineCode, bool isFastCall)
{
uintptr_t codeEntry = machineCode->GetFuncAddr();
ASSERT(codeEntry != 0);
SetMachineCode(thread, machineCode);
SetCompiledFuncEntry(codeEntry, isFastCall);
}
void JSFunction::SetJitHotnessCnt(const JSThread *thread, uint16_t cnt)
{
JSTaggedValue profileTypeInfoVal = GetProfileTypeInfo(thread);
if (!profileTypeInfoVal.IsUndefined()) {
ProfileTypeInfo *profileTypeInfo = ProfileTypeInfo::Cast(profileTypeInfoVal.GetTaggedObject());
profileTypeInfo->SetJitHotnessCnt(cnt);
}
}
uint16_t JSFunction::GetJitHotnessCnt(const JSThread *thread) const
{
JSTaggedValue profileTypeInfoVal = GetProfileTypeInfo(thread);
if (!profileTypeInfoVal.IsUndefined()) {
ProfileTypeInfo *profileTypeInfo = ProfileTypeInfo::Cast(profileTypeInfoVal.GetTaggedObject());
return profileTypeInfo->GetJitHotnessCnt();
}
return 0;
}
void JSFunctionBase::ClearCompiledCodeFlags()
{
SetCompiledCodeBit(false);
SetIsCompiledFastCall(false);
}
void JSFunction::ClearMachineCode(const JSThread *thread)
{
SetMachineCode(thread, JSTaggedValue::Undefined());
}
void JSFunction::ReplaceFunctionForHook(const JSThread *thread, JSHandle<JSFunction> &oldFunc,
const JSHandle<JSFunction> &newFunc)
{
if (oldFunc->GetMethod(thread) == newFunc->GetMethod(thread)) {
return;
}
if ((!newFunc->IsJSApiFunction() && !newFunc->GetMachineCode(thread).IsUndefined()) ||
(!oldFunc->IsJSApiFunction() && !oldFunc->GetMachineCode(thread).IsUndefined())) {
LOG_ECMA(WARN) << "ReplaceFunctionForHook failed";
return;
}
oldFunc->SetMethod(thread, newFunc->GetMethod(thread));
oldFunc->SetCodeEntryOrNativePointer(newFunc->GetCodeEntryOrNativePointer());
oldFunc->SetLength(newFunc->GetLength());
oldFunc->SetBitField(newFunc->GetBitField());
oldFunc->SetProtoOrHClass(thread, newFunc->GetProtoOrHClass(thread));
oldFunc->SetLexicalEnv(thread, newFunc->GetLexicalEnv(thread));
oldFunc->SetHomeObject(thread, newFunc->GetHomeObject(thread));
if (!oldFunc->IsJSApiFunction()) {
oldFunc->SetRawProfileTypeInfo(thread, newFunc->GetRawProfileTypeInfo(thread));
oldFunc->SetMachineCode(thread, newFunc->GetMachineCode(thread));
oldFunc->SetBaselineCode(thread, newFunc->GetBaselineCode(thread));
oldFunc->SetModule(thread, newFunc->GetModule(thread));
#if !ENABLE_MEMORY_OPTIMIZATION
oldFunc->SetWorkNodePointer(newFunc->GetWorkNodePointer());
#endif
}
auto newFuncHashField = Barriers::GetTaggedValue(thread, *newFunc, HASH_OFFSET);
JSTaggedValue value(newFuncHashField);
SET_VALUE_WITH_BARRIER(thread, *oldFunc, HASH_OFFSET, value);
}
}