/* * Copyright (c) 2023 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/ecma_context.h" #include "ecmascript/base/path_helper.h" #include "ecmascript/builtins/builtins.h" #include "ecmascript/builtins/builtins_global.h" #include "ecmascript/builtins/builtins_regexp.h" #include "ecmascript/builtins/builtins_number.h" #include "ecmascript/builtins/builtins_string.h" #include "ecmascript/compiler/aot_file/an_file_data_manager.h" #include "ecmascript/compiler/common_stubs.h" #include "ecmascript/ecma_string_table.h" #include "ecmascript/ecma_vm.h" #include "ecmascript/global_env.h" #include "ecmascript/global_env_constants-inl.h" #include "ecmascript/interpreter/interpreter-inl.h" #include "ecmascript/jobs/micro_job_queue.h" #include "ecmascript/jspandafile/js_pandafile.h" #include "ecmascript/jspandafile/js_pandafile_manager.h" #include "ecmascript/jspandafile/program_object.h" #include "ecmascript/js_function.h" #include "ecmascript/js_thread.h" #include "ecmascript/log.h" #include "ecmascript/module/module_path_helper.h" #include "ecmascript/object_factory.h" #include "ecmascript/pgo_profiler/pgo_profiler_manager.h" #include "ecmascript/require/js_cjs_module_cache.h" #include "ecmascript/require/js_require_manager.h" #include "ecmascript/snapshot/mem/snapshot.h" #include "ecmascript/platform/log.h" #include "ecmascript/global_index_map.h" namespace panda::ecmascript { using PathHelper = base::PathHelper; EcmaContext::EcmaContext(JSThread *thread) : thread_(thread), vm_(thread->GetEcmaVM()), factory_(vm_->GetFactory()) { } /* static */ EcmaContext *EcmaContext::Create(JSThread *thread) { LOG_ECMA(INFO) << "EcmaContext::Create"; auto context = new EcmaContext(thread); if (UNLIKELY(context == nullptr)) { LOG_ECMA(ERROR) << "Failed to create ecma context"; return nullptr; } return context; } // static bool EcmaContext::Destroy(EcmaContext *context) { if (context != nullptr) { delete context; context = nullptr; return true; } return false; } void EcmaContext::SetTSManager(TSManager *set) { if (tsManager_ != nullptr) { delete tsManager_; } tsManager_ = set; } bool EcmaContext::Initialize() { LOG_ECMA(DEBUG) << "EcmaContext::Initialize"; ECMA_BYTRACE_NAME(HITRACE_TAG_ARK, "EcmaContext::Initialize"); [[maybe_unused]] EcmaHandleScope scope(thread_); aotFileManager_ = new AOTFileManager(vm_); propertiesCache_ = new PropertiesCache(); regExpParserCache_ = new RegExpParserCache(); JSHandle hClassHandle = factory_->InitClassClass(); JSHandle globalEnvClass = factory_->NewEcmaHClass( *hClassHandle, GlobalEnv::SIZE, JSType::GLOBAL_ENV); thread_->SetGlobalConst(&globalConst_); globalConst_.Init(thread_, *hClassHandle); auto arrayHClassIndexMaps = Elements::InitializeHClassMap(); thread_->SetArrayHClassIndexMap(arrayHClassIndexMaps); JSHandle globalEnv = factory_->NewGlobalEnv(*globalEnvClass); globalEnv->Init(thread_); globalEnv_ = globalEnv.GetTaggedValue(); Builtins builtins; bool builtinsLazyEnabled = vm_->GetJSOptions().IsWorker() && vm_->GetJSOptions().GetEnableBuiltinsLazy(); thread_->SetEnableLazyBuiltins(builtinsLazyEnabled); builtins.Initialize(globalEnv, thread_, builtinsLazyEnabled); SetupRegExpResultCache(); SetupRegExpGlobalResult(); SetupNumberToStringResultCache(); SetupStringSplitResultCache(); SetupStringToListResultCache(); microJobQueue_ = factory_->NewMicroJobQueue().GetTaggedValue(); moduleManager_ = new ModuleManager(vm_); tsManager_ = new TSManager(vm_); ptManager_ = new kungfu::PGOTypeManager(vm_); optCodeProfiler_ = new OptCodeProfiler(); if (vm_->GetJSOptions().GetTypedOpProfiler()) { typedOpProfiler_ = new TypedOpProfiler(); } initialized_ = true; return true; } void EcmaContext::InitializeEcmaScriptRunStat() { // NOLINTNEXTLINE(modernize-avoid-c-arrays) static const char *runtimeCallerNames[] = { // NOLINTNEXTLINE(cppcoreguidelines-macro-usage) #define INTERPRETER_CALLER_NAME(name) "Interpreter::" #name, INTERPRETER_CALLER_LIST(INTERPRETER_CALLER_NAME) // NOLINTNEXTLINE(bugprone-suspicious-missing-comma) #undef INTERPRETER_CALLER_NAME // NOLINTNEXTLINE(cppcoreguidelines-macro-usage) #define BUILTINS_API_NAME(class, name) "BuiltinsApi::" #class "_" #name, BUILTINS_API_LIST(BUILTINS_API_NAME) #undef BUILTINS_API_NAME #define ABSTRACT_OPERATION_NAME(class, name) "AbstractOperation::" #class "_" #name, ABSTRACT_OPERATION_LIST(ABSTRACT_OPERATION_NAME) #undef ABSTRACT_OPERATION_NAME #define MEM_ALLOCATE_AND_GC_NAME(name) "Memory::" #name, MEM_ALLOCATE_AND_GC_LIST(MEM_ALLOCATE_AND_GC_NAME) #undef MEM_ALLOCATE_AND_GC_NAME #define DEF_RUNTIME_ID(name) "Runtime::" #name, RUNTIME_STUB_WITH_GC_LIST(DEF_RUNTIME_ID) #undef DEF_RUNTIME_ID }; static_assert(sizeof(runtimeCallerNames) == sizeof(const char *) * ecmascript::RUNTIME_CALLER_NUMBER, "Invalid runtime caller number"); runtimeStat_ = vm_->GetChunk()->New(runtimeCallerNames, ecmascript::RUNTIME_CALLER_NUMBER); if (UNLIKELY(runtimeStat_ == nullptr)) { LOG_FULL(FATAL) << "alloc runtimeStat_ failed"; UNREACHABLE(); } } void EcmaContext::SetRuntimeStatEnable(bool flag) { static uint64_t start = 0; if (flag) { start = PandaRuntimeTimer::Now(); if (runtimeStat_ == nullptr) { InitializeEcmaScriptRunStat(); } } else { LOG_ECMA(INFO) << "Runtime State duration:" << PandaRuntimeTimer::Now() - start << "(ns)"; if (runtimeStat_ != nullptr && runtimeStat_->IsRuntimeStatEnabled()) { runtimeStat_->Print(); runtimeStat_->ResetAllCount(); } } if (runtimeStat_ != nullptr) { runtimeStat_->SetRuntimeStatEnabled(flag); } } EcmaContext::~EcmaContext() { if (runtimeStat_ != nullptr && runtimeStat_->IsRuntimeStatEnabled()) { runtimeStat_->Print(); } for (auto n : handleStorageNodes_) { delete n; } handleStorageNodes_.clear(); currentHandleStorageIndex_ = -1; handleScopeCount_ = 0; handleScopeStorageNext_ = handleScopeStorageEnd_ = nullptr; ClearBufferData(); // clear c_address: c++ pointer delete if (!vm_->IsBundlePack()) { std::shared_ptr jsPandaFile = JSPandaFileManager::GetInstance()->FindJSPandaFile(vm_->GetAssetPath()); if (jsPandaFile != nullptr) { jsPandaFile->DeleteParsedConstpoolVM(vm_); } } // clear icu cache ClearIcuCache(); if (runtimeStat_ != nullptr) { vm_->GetChunk()->Delete(runtimeStat_); runtimeStat_ = nullptr; } if (optCodeProfiler_ != nullptr) { delete optCodeProfiler_; optCodeProfiler_ = nullptr; } if (typedOpProfiler_ != nullptr) { delete typedOpProfiler_; typedOpProfiler_ = nullptr; } if (moduleManager_ != nullptr) { delete moduleManager_; moduleManager_ = nullptr; } if (tsManager_ != nullptr) { delete tsManager_; tsManager_ = nullptr; } if (ptManager_ != nullptr) { delete ptManager_; ptManager_ = nullptr; } if (regExpParserCache_ != nullptr) { delete regExpParserCache_; regExpParserCache_ = nullptr; } if (aotFileManager_ != nullptr) { delete aotFileManager_; aotFileManager_ = nullptr; } if (propertiesCache_ != nullptr) { delete propertiesCache_; propertiesCache_ = nullptr; } // clear join stack joinStack_.clear(); for (auto v : stringifyCache_) { v.clear(); } } JSTaggedValue EcmaContext::InvokeEcmaAotEntrypoint(JSHandle mainFunc, JSHandle &thisArg, const JSPandaFile *jsPandaFile, std::string_view entryPoint, CJSInfo* cjsInfo) { aotFileManager_->SetAOTMainFuncEntry(mainFunc, jsPandaFile, entryPoint); return JSFunction::InvokeOptimizedEntrypoint(thread_, mainFunc, thisArg, entryPoint, cjsInfo); } JSTaggedValue EcmaContext::ExecuteAot(size_t actualNumArgs, JSTaggedType *args, const JSTaggedType *prevFp, bool needPushUndefined) { INTERPRETER_TRACE(thread_, ExecuteAot); auto entry = thread_->GetRTInterface(kungfu::RuntimeStubCSigns::ID_JSFunctionEntry); // do not modify this log to INFO, this will call many times LOG_ECMA(DEBUG) << "start to execute aot entry: " << (void*)entry; auto res = reinterpret_cast(entry)(thread_->GetGlueAddr(), actualNumArgs, args, reinterpret_cast(prevFp), needPushUndefined); return res; } Expected EcmaContext::CommonInvokeEcmaEntrypoint(const JSPandaFile *jsPandaFile, std::string_view entryPoint, JSHandle &func) { JSHandle method(thread_, func->GetMethod()); JSHandle global = GlobalEnv::Cast(globalEnv_.GetTaggedObject())->GetJSGlobalObject(); JSHandle undefined = thread_->GlobalConstants()->GetHandledUndefined(); CString entry = entryPoint.data(); JSRecordInfo recordInfo; bool hasRecord = jsPandaFile->CheckAndGetRecordInfo(entry, recordInfo); if (!hasRecord) { CString msg = "cannot find record '" + entry + "', please check the request path."; LOG_FULL(ERROR) << msg; THROW_REFERENCE_ERROR_AND_RETURN(thread_, msg.c_str(), Unexpected(false)); } if (jsPandaFile->IsModule(recordInfo)) { global = undefined; CString moduleName = jsPandaFile->GetJSPandaFileDesc(); if (!jsPandaFile->IsBundlePack()) { moduleName = entry; } JSHandle module = moduleManager_->HostGetImportedModule(moduleName); method->SetModule(thread_, module); } else { // if it is Cjs at present, the module slot of the function is not used. We borrow it to store the recordName, // which can avoid the problem of larger memory caused by the new slot JSHandle recordName = factory_->NewFromUtf8(entry); method->SetModule(thread_, recordName); } vm_->CheckStartCpuProfiler(); JSTaggedValue result; if (jsPandaFile->IsCjs(recordInfo)) { CJSExecution(func, global, jsPandaFile, entryPoint); } else { if (aotFileManager_->IsLoadMain(jsPandaFile, entry)) { EcmaRuntimeStatScope runtimeStatScope(vm_); result = InvokeEcmaAotEntrypoint(func, global, jsPandaFile, entryPoint); } else if (vm_->GetJSOptions().IsEnableForceJitCompileMain()) { Jit::Compile(vm_, func); EcmaRuntimeStatScope runtimeStatScope(vm_); result = JSFunction::InvokeOptimizedEntrypoint(thread_, func, global, entryPoint, nullptr); } else { EcmaRuntimeCallInfo *info = EcmaInterpreter::NewRuntimeCallInfo(thread_, JSHandle(func), global, undefined, 0); EcmaRuntimeStatScope runtimeStatScope(vm_); result = EcmaInterpreter::Execute(info); } } if (!thread_->HasPendingException()) { job::MicroJobQueue::ExecutePendingJob(thread_, GetMicroJobQueue()); } return result; } Expected EcmaContext::InvokeEcmaEntrypoint(const JSPandaFile *jsPandaFile, std::string_view entryPoint, bool excuteFromJob) { [[maybe_unused]] EcmaHandleScope scope(thread_); JSHandle program = JSPandaFileManager::GetInstance()->GenerateProgram(vm_, jsPandaFile, entryPoint); if (program.IsEmpty()) { LOG_ECMA(ERROR) << "program is empty, invoke entrypoint failed"; return Unexpected(false); } // for debugger vm_->GetJsDebuggerManager()->GetNotificationManager()->LoadModuleEvent( jsPandaFile->GetJSPandaFileDesc(), entryPoint); JSHandle func(thread_, program->GetMainFunction()); Expected result = CommonInvokeEcmaEntrypoint(jsPandaFile, entryPoint, func); // print exception information if (!excuteFromJob && thread_->HasPendingException()) { HandleUncaughtException(thread_->GetException()); } return result; } Expected EcmaContext::InvokeEcmaEntrypointForHotReload( const JSPandaFile *jsPandaFile, std::string_view entryPoint, bool excuteFromJob) { [[maybe_unused]] EcmaHandleScope scope(thread_); JSHandle program = JSPandaFileManager::GetInstance()->GenerateProgram(vm_, jsPandaFile, entryPoint); JSHandle func(thread_, program->GetMainFunction()); Expected result = CommonInvokeEcmaEntrypoint(jsPandaFile, entryPoint, func); JSHandle finalModuleRecord(thread_, func->GetModule()); // avoid GC problems. GlobalHandleCollection gloalHandleCollection(thread_); JSHandle moduleRecordHandle = gloalHandleCollection.NewHandle(finalModuleRecord->GetRawData()); CString recordName = entryPoint.data(); AddPatchModule(recordName, moduleRecordHandle); // print exception information if (!excuteFromJob && thread_->HasPendingException() && Method::Cast(func->GetMethod())->GetMethodName() != JSPandaFile::PATCH_FUNCTION_NAME_0) { HandleUncaughtException(thread_->GetException()); } return result; } void EcmaContext::CJSExecution(JSHandle &func, JSHandle &thisArg, const JSPandaFile *jsPandaFile, std::string_view entryPoint) { // create "module", "exports", "require", "filename", "dirname" JSHandle module = factory_->NewCjsModule(); JSHandle require = GetGlobalEnv()->GetCjsRequireFunction(); JSHandle exports = factory_->NewCjsExports(); JSMutableHandle filename(thread_, JSTaggedValue::Undefined()); JSMutableHandle dirname(thread_, JSTaggedValue::Undefined()); if (jsPandaFile->IsBundlePack()) { ModulePathHelper::ResolveCurrentPath(thread_, dirname, filename, jsPandaFile); } else { filename.Update(func->GetModule()); ASSERT(filename->IsString()); CString fullName = ConvertToString(filename.GetTaggedValue()); dirname.Update(PathHelper::ResolveDirPath(thread_, fullName)); } CJSInfo cjsInfo(module, require, exports, filename, dirname); RequireManager::InitializeCommonJS(thread_, cjsInfo); if (aotFileManager_->IsLoadMain(jsPandaFile, entryPoint.data())) { EcmaRuntimeStatScope runtimeStateScope(vm_); isAotEntry_ = true; InvokeEcmaAotEntrypoint(func, thisArg, jsPandaFile, entryPoint, &cjsInfo); } else { // Execute main function JSHandle undefined = thread_->GlobalConstants()->GetHandledUndefined(); EcmaRuntimeCallInfo *info = EcmaInterpreter::NewRuntimeCallInfo(thread_, JSHandle(func), thisArg, undefined, 5); // 5 : argument numbers RETURN_IF_ABRUPT_COMPLETION(thread_); if (info == nullptr) { LOG_ECMA(ERROR) << "CJSExecution Stack overflow!"; return; } info->SetCallArg(cjsInfo.exportsHdl.GetTaggedValue(), cjsInfo.requireHdl.GetTaggedValue(), cjsInfo.moduleHdl.GetTaggedValue(), cjsInfo.filenameHdl.GetTaggedValue(), cjsInfo.dirnameHdl.GetTaggedValue()); EcmaRuntimeStatScope runtimeStatScope(vm_); EcmaInterpreter::Execute(info); } if (!thread_->HasPendingException()) { job::MicroJobQueue::ExecutePendingJob(thread_, thread_->GetCurrentEcmaContext()->GetMicroJobQueue()); } if (!thread_->HasPendingException()) { // Collecting module.exports : exports ---> module.exports --->Module._cache RequireManager::CollectExecutedExp(thread_, cjsInfo); } } bool EcmaContext::HasCachedConstpool(const JSPandaFile *jsPandaFile) const { return cachedConstpools_.find(jsPandaFile) != cachedConstpools_.end(); } JSTaggedValue EcmaContext::FindConstpool(const JSPandaFile *jsPandaFile, int32_t index) { auto iter = cachedConstpools_.find(jsPandaFile); if (iter == cachedConstpools_.end()) { return JSTaggedValue::Hole(); } auto constpoolIter = iter->second.find(index); if (constpoolIter == iter->second.end()) { return JSTaggedValue::Hole(); } return constpoolIter->second; } std::optional>> EcmaContext::FindConstpools( const JSPandaFile *jsPandaFile) { auto iter = cachedConstpools_.find(jsPandaFile); if (iter == cachedConstpools_.end()) { return std::nullopt; } return iter->second; } // For new version instruction. JSTaggedValue EcmaContext::FindConstpool(const JSPandaFile *jsPandaFile, panda_file::File::EntityId id) { panda_file::IndexAccessor indexAccessor(*jsPandaFile->GetPandaFile(), id); int32_t index = static_cast(indexAccessor.GetHeaderIndex()); return FindConstpool(jsPandaFile, index); } JSTaggedValue EcmaContext::FindConstpoolWithAOT(const JSPandaFile *jsPandaFile, int32_t index) { JSTaggedValue constpool = FindConstpool(jsPandaFile, index); // In the taskpool thread, there is a case where the Function object is serialized before InitForCurrentThread. // A constpool is created when a Function is serialized. Slowpath, the default deserialized constpool, // string is non-lazy load mode. A hole is returned if you access the constpool of the serialized Function if (constpool.IsHole() && ecmascript::AnFileDataManager::GetInstance()->IsEnable()) { bool result = GetAOTFileManager()->LoadAiFile(jsPandaFile); if (result) { constpool = FindConstpool(jsPandaFile, index); } } return constpool; } JSHandle EcmaContext::FindOrCreateConstPool(const JSPandaFile *jsPandaFile, panda_file::File::EntityId id) { panda_file::IndexAccessor indexAccessor(*jsPandaFile->GetPandaFile(), id); int32_t index = static_cast(indexAccessor.GetHeaderIndex()); JSTaggedValue constpool = FindConstpoolWithAOT(jsPandaFile, index); if (constpool.IsHole()) { JSHandle newConstpool = ConstantPool::CreateConstPool(vm_, jsPandaFile, id); AddConstpool(jsPandaFile, newConstpool.GetTaggedValue(), index); return newConstpool; } return JSHandle(thread_, constpool); } void EcmaContext::CreateAllConstpool(const JSPandaFile *jsPandaFile) { auto headers = jsPandaFile->GetPandaFile()->GetIndexHeaders(); uint32_t index = 0; for (const auto &header : headers) { auto constpoolSize = header.method_idx_size; JSHandle constpool = factory_->NewConstantPool(constpoolSize); constpool->SetJSPandaFile(jsPandaFile); constpool->SetIndexHeader(&header); AddConstpool(jsPandaFile, constpool.GetTaggedValue(), index++); } } void EcmaContext::AddConstpool(const JSPandaFile *jsPandaFile, JSTaggedValue constpool, int32_t index) { ASSERT(constpool.IsConstantPool()); if (cachedConstpools_.find(jsPandaFile) == cachedConstpools_.end()) { cachedConstpools_[jsPandaFile] = CMap(); } auto &constpoolMap = cachedConstpools_[jsPandaFile]; ASSERT(constpoolMap.find(index) == constpoolMap.end()); constpoolMap.insert({index, constpool}); } JSHandle EcmaContext::GetAndClearEcmaUncaughtException() const { JSHandle exceptionHandle = GetEcmaUncaughtException(); thread_->ClearException(); // clear for ohos app return exceptionHandle; } void EcmaContext::ProcessNativeDelete(const WeakRootVisitor &visitor) { auto iterator = cachedConstpools_.begin(); while (iterator != cachedConstpools_.end()) { auto &constpools = iterator->second; auto constpoolIter = constpools.begin(); while (constpoolIter != constpools.end()) { JSTaggedValue constpoolVal = constpoolIter->second; if (constpoolVal.IsHeapObject()) { TaggedObject *obj = constpoolVal.GetTaggedObject(); auto fwd = visitor(obj); if (fwd == nullptr) { constpoolIter = constpools.erase(constpoolIter); continue; } } ++constpoolIter; } if (constpools.size() == 0) { LOG_ECMA(INFO) << "remove js pandafile by gc, file:" << iterator->first->GetJSPandaFileDesc(); RelocateConstantString(iterator->first); JSPandaFileManager::GetInstance()->RemoveJSPandaFileVm(vm_, iterator->first); iterator = cachedConstpools_.erase(iterator); } else { ++iterator; } } } void EcmaContext::ProcessReferences(const WeakRootVisitor &visitor) { auto iterator = cachedConstpools_.begin(); while (iterator != cachedConstpools_.end()) { auto &constpools = iterator->second; auto constpoolIter = constpools.begin(); while (constpoolIter != constpools.end()) { JSTaggedValue constpoolVal = constpoolIter->second; if (constpoolVal.IsHeapObject()) { TaggedObject *obj = constpoolVal.GetTaggedObject(); auto fwd = visitor(obj); if (fwd == nullptr) { constpoolIter = constpools.erase(constpoolIter); continue; } else if (fwd != obj) { constpoolIter->second = JSTaggedValue(fwd); } } ++constpoolIter; } if (constpools.size() == 0) { LOG_ECMA(INFO) << "remove js pandafile by gc, file:" << iterator->first->GetJSPandaFileDesc(); RelocateConstantString(iterator->first); JSPandaFileManager::GetInstance()->RemoveJSPandaFileVm(vm_, iterator->first); iterator = cachedConstpools_.erase(iterator); } else { ++iterator; } } } void EcmaContext::RelocateConstantString(const JSPandaFile *jsPandaFile) { if (!jsPandaFile->IsFirstMergedAbc()) { return; } vm_->GetEcmaStringTable()->RelocateConstantData(jsPandaFile); } JSHandle EcmaContext::GetEcmaUncaughtException() const { if (!thread_->HasPendingException()) { return JSHandle(); } JSHandle exceptionHandle(thread_, thread_->GetException()); return exceptionHandle; } void EcmaContext::EnableUserUncaughtErrorHandler() { isUncaughtExceptionRegistered_ = true; } void EcmaContext::HandleUncaughtException(JSTaggedValue exception) { if (isUncaughtExceptionRegistered_) { return; } [[maybe_unused]] EcmaHandleScope handleScope(thread_); JSHandle exceptionHandle(thread_, exception); // if caught exceptionHandle type is JSError thread_->ClearException(); if (exceptionHandle->IsJSError()) { PrintJSErrorInfo(thread_, exceptionHandle); return; } JSHandle result = JSTaggedValue::ToString(thread_, exceptionHandle); CString string = ConvertToString(*result); LOG_NO_TAG(ERROR) << string; } // static void EcmaContext::PrintJSErrorInfo(JSThread *thread, const JSHandle &exceptionInfo) { JSHandle nameKey = thread->GlobalConstants()->GetHandledNameString(); JSHandle nameValue = JSObject::GetProperty(thread, exceptionInfo, nameKey).GetValue(); JSHandle name = JSTaggedValue::ToString(thread, nameValue); // JSTaggedValue::ToString may cause exception. In this case, do not return, use "" instead. if (thread->HasPendingException()) { thread->ClearException(); name = thread->GetEcmaVM()->GetFactory()->NewFromStdString(""); } JSHandle msgKey = thread->GlobalConstants()->GetHandledMessageString(); JSHandle msgValue = JSObject::GetProperty(thread, exceptionInfo, msgKey).GetValue(); JSHandle msg = JSTaggedValue::ToString(thread, msgValue); // JSTaggedValue::ToString may cause exception. In this case, do not return, use "" instead. if (thread->HasPendingException()) { thread->ClearException(); msg = thread->GetEcmaVM()->GetFactory()->NewFromStdString(""); } JSHandle stackKey = thread->GlobalConstants()->GetHandledStackString(); JSHandle stackValue = JSObject::GetProperty(thread, exceptionInfo, stackKey).GetValue(); JSHandle stack = JSTaggedValue::ToString(thread, stackValue); // JSTaggedValue::ToString may cause exception. In this case, do not return, use "" instead. if (thread->HasPendingException()) { thread->ClearException(); stack = thread->GetEcmaVM()->GetFactory()->NewFromStdString(""); } CString nameBuffer = ConvertToString(*name); CString msgBuffer = ConvertToString(*msg); CString stackBuffer = ConvertToString(*stack); LOG_NO_TAG(ERROR) << panda::ecmascript::previewerTag << nameBuffer << ": " << msgBuffer << "\n" << (panda::ecmascript::previewerTag.empty() ? stackBuffer : std::regex_replace(stackBuffer, std::regex(".+(\n|$)"), panda::ecmascript::previewerTag + "$0")); } bool EcmaContext::HasPendingJob() { if (UNLIKELY(thread_->HasTerminated())) { return false; } return job::MicroJobQueue::HasPendingJob(thread_, GetMicroJobQueue()); } bool EcmaContext::ExecutePromisePendingJob() { if (isProcessingPendingJob_) { LOG_ECMA(DEBUG) << "EcmaVM::ExecutePromisePendingJob can not reentrant"; return false; } if (!thread_->HasPendingException()) { isProcessingPendingJob_ = true; job::MicroJobQueue::ExecutePendingJob(thread_, GetMicroJobQueue()); isProcessingPendingJob_ = false; return true; } return false; } void EcmaContext::ClearBufferData() { auto iter = cachedConstpools_.begin(); while (iter != cachedConstpools_.end()) { LOG_ECMA(INFO) << "remove js pandafile by vm destruct, file:" << iter->first->GetJSPandaFileDesc(); JSPandaFileManager::GetInstance()->RemoveJSPandaFileVm(vm_, iter->first); iter++; } cachedConstpools_.clear(); } void EcmaContext::SetGlobalEnv(GlobalEnv *global) { ASSERT(global != nullptr); globalEnv_ = JSTaggedValue(global); } void EcmaContext::SetMicroJobQueue(job::MicroJobQueue *queue) { ASSERT(queue != nullptr); microJobQueue_ = JSTaggedValue(queue); } JSHandle EcmaContext::GetGlobalEnv() const { return JSHandle(reinterpret_cast(&globalEnv_)); } JSHandle EcmaContext::GetMicroJobQueue() const { return JSHandle(reinterpret_cast(µJobQueue_)); } void EcmaContext::MountContext(JSThread *thread) { EcmaContext *context = EcmaContext::CreateAndInitialize(thread); thread->SwitchCurrentContext(context); } void EcmaContext::UnmountContext(JSThread *thread) { EcmaContext *context = thread->GetCurrentEcmaContext(); thread->PopContext(); Destroy(context); } EcmaContext *EcmaContext::CreateAndInitialize(JSThread *thread) { EcmaContext *context = EcmaContext::Create(thread); thread->PushContext(context); context->Initialize(); return context; } void EcmaContext::CheckAndDestroy(JSThread *thread, EcmaContext *context) { if (thread->EraseContext(context)) { Destroy(context); return; } LOG_ECMA(FATAL) << "CheckAndDestroy a nonexistent context."; } void EcmaContext::SetupRegExpResultCache() { regexpCache_ = builtins::RegExpExecResultCache::CreateCacheTable(thread_); } void EcmaContext::SetupRegExpGlobalResult() { regexpGlobal_ = builtins::RegExpGlobalResult::CreateGlobalResultTable(thread_); } void EcmaContext::SetupNumberToStringResultCache() { numberToStringResultCache_ = builtins::NumberToStringResultCache::CreateCacheTable(thread_); } void EcmaContext::SetupStringSplitResultCache() { stringSplitResultCache_ = builtins::StringSplitResultCache::CreateCacheTable(thread_); } void EcmaContext::SetupStringToListResultCache() { stringToListResultCache_ = builtins::StringToListResultCache::CreateCacheTable(thread_); } void EcmaContext::Iterate(const RootVisitor &v, const RootRangeVisitor &rv) { // visit global Constant globalConst_.VisitRangeSlot(rv); v(Root::ROOT_VM, ObjectSlot(reinterpret_cast(&globalEnv_))); v(Root::ROOT_VM, ObjectSlot(reinterpret_cast(®expCache_))); v(Root::ROOT_VM, ObjectSlot(reinterpret_cast(®expGlobal_))); v(Root::ROOT_VM, ObjectSlot(reinterpret_cast(&numberToStringResultCache_))); v(Root::ROOT_VM, ObjectSlot(reinterpret_cast(&stringSplitResultCache_))); v(Root::ROOT_VM, ObjectSlot(reinterpret_cast(&stringToListResultCache_))); v(Root::ROOT_VM, ObjectSlot(reinterpret_cast(µJobQueue_))); v(Root::ROOT_VM, ObjectSlot(reinterpret_cast(&pointerToIndexDictionary_))); if (moduleManager_) { moduleManager_->Iterate(v); } if (tsManager_) { tsManager_->Iterate(v); } if (ptManager_) { ptManager_->Iterate(v); } if (aotFileManager_) { aotFileManager_->Iterate(v); } if (propertiesCache_ != nullptr) { propertiesCache_->Clear(); } if (!vm_->GetJSOptions().EnableGlobalLeakCheck() && currentHandleStorageIndex_ != -1) { // IterateHandle when disableGlobalLeakCheck. int32_t nid = currentHandleStorageIndex_; for (int32_t i = 0; i <= nid; ++i) { auto node = handleStorageNodes_.at(i); auto start = node->data(); auto end = (i != nid) ? &(node->data()[NODE_BLOCK_SIZE]) : handleScopeStorageNext_; rv(ecmascript::Root::ROOT_HANDLE, ObjectSlot(ToUintPtr(start)), ObjectSlot(ToUintPtr(end))); } } if (!joinStack_.empty()) { rv(Root::ROOT_VM, ObjectSlot(ToUintPtr(&joinStack_.front())), ObjectSlot(ToUintPtr(&joinStack_.back()) + JSTaggedValue::TaggedTypeSize())); } } size_t EcmaContext::IterateHandle(const RootRangeVisitor &rangeVisitor) { // EnableGlobalLeakCheck. size_t handleCount = 0; if (currentHandleStorageIndex_ != -1) { int32_t nid = currentHandleStorageIndex_; for (int32_t i = 0; i <= nid; ++i) { auto node = handleStorageNodes_.at(i); auto start = node->data(); auto end = (i != nid) ? &(node->data()[NODE_BLOCK_SIZE]) : handleScopeStorageNext_; rangeVisitor(ecmascript::Root::ROOT_HANDLE, ObjectSlot(ToUintPtr(start)), ObjectSlot(ToUintPtr(end))); handleCount += (ToUintPtr(end) - ToUintPtr(start)) / sizeof(JSTaggedType); } } return handleCount; } uintptr_t *EcmaContext::ExpandHandleStorage() { uintptr_t *result = nullptr; int32_t lastIndex = static_cast(handleStorageNodes_.size() - 1); if (currentHandleStorageIndex_ == lastIndex) { auto n = new std::array(); handleStorageNodes_.push_back(n); currentHandleStorageIndex_++; result = reinterpret_cast(&n->data()[0]); handleScopeStorageEnd_ = &n->data()[NODE_BLOCK_SIZE]; } else { currentHandleStorageIndex_++; auto lastNode = handleStorageNodes_[currentHandleStorageIndex_]; result = reinterpret_cast(&lastNode->data()[0]); handleScopeStorageEnd_ = &lastNode->data()[NODE_BLOCK_SIZE]; } return result; } void EcmaContext::ShrinkHandleStorage(int prevIndex) { currentHandleStorageIndex_ = prevIndex; int32_t lastIndex = static_cast(handleStorageNodes_.size() - 1); #if ECMASCRIPT_ENABLE_ZAP_MEM uintptr_t size = ToUintPtr(handleScopeStorageEnd_) - ToUintPtr(handleScopeStorageNext_); if (currentHandleStorageIndex_ != -1) { if (memset_s(handleScopeStorageNext_, size, 0, size) != EOK) { LOG_FULL(FATAL) << "memset_s failed"; UNREACHABLE(); } } for (int32_t i = currentHandleStorageIndex_ + 1; i < lastIndex; i++) { if (memset_s(handleStorageNodes_[i], NODE_BLOCK_SIZE * sizeof(JSTaggedType), 0, NODE_BLOCK_SIZE * sizeof(JSTaggedType)) != EOK) { LOG_FULL(FATAL) << "memset_s failed"; UNREACHABLE(); } } #endif if (lastIndex > MIN_HANDLE_STORAGE_SIZE && currentHandleStorageIndex_ < MIN_HANDLE_STORAGE_SIZE) { for (int i = MIN_HANDLE_STORAGE_SIZE; i < lastIndex; i++) { auto node = handleStorageNodes_.back(); delete node; handleStorageNodes_.pop_back(); } } } void EcmaContext::LoadStubFile() { std::string stubFile = vm_->GetJSOptions().GetStubFile(); aotFileManager_->LoadStubFile(stubFile); } bool EcmaContext::LoadAOTFiles(const std::string& aotFileName) { std::string anFile = aotFileName + AOTFileManager::FILE_EXTENSION_AN; if (!aotFileManager_->LoadAnFile(anFile)) { LOG_ECMA(WARN) << "Load " << anFile << " failed. Destroy aot data and rollback to interpreter"; ecmascript::AnFileDataManager::GetInstance()->SafeDestroyAnData(anFile); return false; } std::string aiFile = aotFileName + AOTFileManager::FILE_EXTENSION_AI; if (!aotFileManager_->LoadAiFile(aiFile)) { LOG_ECMA(WARN) << "Load " << aiFile << " failed. Destroy aot data and rollback to interpreter"; ecmascript::AnFileDataManager::GetInstance()->SafeDestroyAnData(anFile); return false; } return true; } void EcmaContext::PrintOptStat() { if (optCodeProfiler_ != nullptr) { optCodeProfiler_->PrintAndReset(); } } void EcmaContext::DumpAOTInfo() const { aotFileManager_->DumpAOTInfo(); } bool EcmaContext::JoinStackPushFastPath(JSHandle receiver) { if (JSTaggedValue::SameValue(joinStack_[0], JSTaggedValue::Hole())) { joinStack_[0] = receiver.GetTaggedValue(); return true; } return JoinStackPush(receiver); } bool EcmaContext::JoinStackPush(JSHandle receiver) { uint32_t capacity = joinStack_.size(); JSTaggedValue receiverValue = receiver.GetTaggedValue(); for (size_t i = 0; i < capacity; ++i) { if (JSTaggedValue::SameValue(joinStack_[i], JSTaggedValue::Hole())) { joinStack_[i] = receiverValue; return true; } if (JSTaggedValue::SameValue(joinStack_[i], receiverValue)) { return false; } } joinStack_.emplace_back(receiverValue); return true; } void EcmaContext::JoinStackPopFastPath(JSHandle receiver) { uint32_t length = joinStack_.size(); if (JSTaggedValue::SameValue(joinStack_[0], receiver.GetTaggedValue()) && length == MIN_JOIN_STACK_SIZE) { joinStack_[0] = JSTaggedValue::Hole(); } else { JoinStackPop(receiver); } } void EcmaContext::JoinStackPop(JSHandle receiver) { uint32_t length = joinStack_.size(); for (size_t i = 0; i < length; ++i) { if (JSTaggedValue::SameValue(joinStack_[i], receiver.GetTaggedValue())) { if (i == 0 && length > MIN_JOIN_STACK_SIZE) { joinStack_ = {JSTaggedValue::Hole(), JSTaggedValue::Hole()}; break; } else { joinStack_[i] = JSTaggedValue::Hole(); break; } } } } std::tuple EcmaContext::CalCallSiteInfo( uintptr_t retAddr) const { auto loader = GetAOTFileManager(); auto callSiteInfo = loader->CalCallSiteInfo(retAddr); if (std::get<1>(callSiteInfo) != nullptr) { return callSiteInfo; } // try get jit code callSiteInfo = thread_->GetEcmaVM()->GetHeap()->CalCallSiteInfo(retAddr); return callSiteInfo; } } // namespace panda::ecmascript