void DebugManager::UpdateConsoleScope(DynamicObject* copyFromScope, ScriptContext* scriptContext)
{
Assert(copyFromScope != nullptr);
DynamicObject* consoleScope = this->GetConsoleScope(scriptContext);
Js::RecyclableObject* recyclableObject = Js::RecyclableObject::FromVar(copyFromScope);
ulong newPropCount = recyclableObject->GetPropertyCount();
for (ulong i = 0; i < newPropCount; i++)
{
Js::PropertyId propertyId = recyclableObject->GetPropertyId((Js::PropertyIndex)i);
// For deleted properties we won't have a property id
if (propertyId != Js::Constants::NoProperty)
{
Js::PropertyValueInfo propertyValueInfo;
Var propertyValue;
BOOL gotPropertyValue = recyclableObject->GetProperty(recyclableObject, propertyId, &propertyValue, &propertyValueInfo, scriptContext);
AssertMsg(gotPropertyValue, "DebugManager::UpdateConsoleScope Should have got valid value?");
OUTPUT_TRACE(Js::ConsoleScopePhase, _u("Adding property '%s'\n"), scriptContext->GetPropertyName(propertyId)->GetBuffer());
BOOL updateSuccess = consoleScope->SetPropertyWithAttributes(propertyId, propertyValue, propertyValueInfo.GetAttributes(), &propertyValueInfo);
AssertMsg(updateSuccess, "DebugManager::UpdateConsoleScope Unable to update property value. Am I missing a scenario?");
}
}
OUTPUT_TRACE(Js::ConsoleScopePhase, _u("Number of properties on console scope object after update are %d\n"), consoleScope->GetPropertyCount());
}
void SnapshotExtractor::DoMarkWalk(const JsUtil::List<Js::Var, HeapAllocator>& roots, const JsUtil::List<Js::ScriptContext*, HeapAllocator>& ctxs, ThreadContext* threadContext)
{
TTDTimer timer;
double startTime = timer.Now();
for(int32 i = 0; i < roots.Count(); ++i)
{
Js::Var root = roots.Item(i);
this->MarkVisitVar(root);
}
while(!this->m_worklist.Empty())
{
Js::RecyclableObject* nobj = this->m_worklist.Dequeue();
AssertMsg(JsSupport::IsVarComplexKind(nobj), "Should only be these two options");
this->MarkVisitStandardProperties(nobj);
nobj->MarkVisitKindSpecificPtrs(this);
}
//Mark all of the well known objects/types
for(int32 i = 0; i < ctxs.Count(); ++i)
{
ctxs.Item(i)->TTDWellKnownInfo->MarkWellKnownObjects_TTD(this->m_marks);
}
double endTime = timer.Now();
this->m_pendingSnap->MarkTime = (endTime - startTime) / 1000.0;
}
Var JavascriptExternalFunction::StdCallExternalFunctionThunk(RecyclableObject* function, CallInfo callInfo, ...)
{
RUNTIME_ARGUMENTS(args, callInfo);
JavascriptExternalFunction* externalFunction = static_cast<JavascriptExternalFunction*>(function);
externalFunction->PrepareExternalCall(&args);
ScriptContext * scriptContext = externalFunction->type->GetScriptContext();
AnalysisAssert(scriptContext);
Var result = NULL;
BEGIN_LEAVE_SCRIPT(scriptContext)
{
result = externalFunction->stdCallNativeMethod(function, ((callInfo.Flags & CallFlags_New) != 0), args.Values, args.Info.Count, externalFunction->callbackState);
}
END_LEAVE_SCRIPT(scriptContext);
if (result != nullptr && !Js::TaggedNumber::Is(result))
{
if (!Js::RecyclableObject::Is(result))
{
Js::Throw::InternalError();
}
Js::RecyclableObject * obj = Js::RecyclableObject::FromVar(result);
// For JSRT, we could get result marshalled in different context.
bool isJSRT = !(scriptContext->GetThreadContext()->GetIsThreadBound());
if (!isJSRT && obj->GetScriptContext() != scriptContext)
{
Js::Throw::InternalError();
}
}
if (scriptContext->HasRecordedException())
{
bool considerPassingToDebugger = false;
JavascriptExceptionObject* recordedException = scriptContext->GetAndClearRecordedException(&considerPassingToDebugger);
if (recordedException != nullptr)
{
// If this is script termination, then throw ScriptAbortExceptio, else throw normal Exception object.
if (recordedException == scriptContext->GetThreadContext()->GetPendingTerminatedErrorObject())
{
throw Js::ScriptAbortException();
}
else
{
JavascriptExceptionOperators::RethrowExceptionObject(recordedException, scriptContext, considerPassingToDebugger);
}
}
}
return externalFunction->FinishExternalCall(result);
}
// static
Var CrossSite::MarshalVar(ScriptContext* scriptContext, Var value, bool fRequestWrapper)
{
// value might be null from disable implicit call
if (value == nullptr || Js::TaggedNumber::Is(value))
{
return value;
}
Js::RecyclableObject* object = RecyclableObject::UnsafeFromVar(value);
if (fRequestWrapper || scriptContext != object->GetScriptContext())
{
return MarshalVarInner(scriptContext, object, fRequestWrapper);
}
return value;
}
void SnapshotExtractor::MarkVisitVar(Js::Var var)
{
AssertMsg(var != nullptr, "I don't think this should happen but not 100% sure.");
AssertMsg(Js::JavascriptOperators::GetTypeId(var) < Js::TypeIds_Limit || Js::RecyclableObject::FromVar(var)->CanHaveInterceptors(), "Not cool.");
//We don't need to visit tagged things
if(JsSupport::IsVarTaggedInline(var))
{
return;
}
if(JsSupport::IsVarPrimitiveKind(var))
{
if(this->m_marks.MarkAndTestAddr<MarkTableTag::PrimitiveObjectTag>(var))
{
Js::RecyclableObject* obj = Js::RecyclableObject::FromVar(var);
this->MarkVisitType(obj->GetType());
}
}
else
{
AssertMsg(JsSupport::IsVarComplexKind(var), "Shouldn't be anything else");
if(this->m_marks.MarkAndTestAddr<MarkTableTag::CompoundObjectTag>(var))
{
Js::RecyclableObject* obj = Js::RecyclableObject::FromVar(var);
//do this here instead of in mark visit type as it wants the dynamic object as well
if(Js::DynamicType::Is(obj->GetTypeId()))
{
Js::DynamicObject* dynObj = Js::DynamicObject::FromVar(obj);
if(dynObj->GetDynamicType()->GetTypeHandler()->IsDeferredTypeHandler())
{
dynObj->GetDynamicType()->GetTypeHandler()->EnsureObjectReady(dynObj);
}
}
this->MarkVisitType(obj->GetType());
this->m_worklist.Enqueue(obj);
}
}
}
Var JavascriptExternalFunction::StdCallExternalFunctionThunk(RecyclableObject* function, CallInfo callInfo, ...)
{
ARGUMENTS(args, callInfo);
JavascriptExternalFunction* externalFunction = static_cast<JavascriptExternalFunction*>(function);
externalFunction->PrepareExternalCall(&args);
ScriptContext * scriptContext = externalFunction->type->GetScriptContext();
AnalysisAssert(scriptContext);
if (args.Info.Count > USHORT_MAX)
{
// Due to compat reasons, stdcall external functions expect a ushort count of args.
// To support more than this we will need a new API.
Js::JavascriptError::ThrowTypeError(scriptContext, JSERR_ArgListTooLarge);
}
Var result = nullptr;
Assert(callInfo.Count > 0);
StdCallJavascriptMethodInfo info = {
args[0],
args.HasNewTarget() ? args.GetNewTarget() : args.IsNewCall() ? function : scriptContext->GetLibrary()->GetUndefined(),
args.IsNewCall()
};
#if ENABLE_TTD
if(scriptContext->ShouldPerformRecordOrReplayAction())
{
result = JavascriptExternalFunction::HandleRecordReplayExternalFunction_StdThunk(function, callInfo, args, scriptContext);
}
else
{
BEGIN_LEAVE_SCRIPT(scriptContext)
{
result = externalFunction->stdCallNativeMethod(function, args.Values, static_cast<USHORT>(args.Info.Count), &info, externalFunction->callbackState);
}
END_LEAVE_SCRIPT(scriptContext);
}
#else
BEGIN_LEAVE_SCRIPT(scriptContext)
{
result = externalFunction->stdCallNativeMethod(function, args.Values, static_cast<USHORT>(args.Info.Count), &info, externalFunction->callbackState);
}
END_LEAVE_SCRIPT(scriptContext);
#endif
bool marshallingMayBeNeeded = false;
if (result != nullptr)
{
marshallingMayBeNeeded = Js::RecyclableObject::Is(result);
if (marshallingMayBeNeeded)
{
Js::RecyclableObject * obj = Js::RecyclableObject::FromVar(result);
// For JSRT, we could get result marshalled in different context.
bool isJSRT = scriptContext->GetThreadContext()->IsJSRT();
marshallingMayBeNeeded = obj->GetScriptContext() != scriptContext;
if (!isJSRT && marshallingMayBeNeeded)
{
Js::Throw::InternalError();
}
}
}
if (scriptContext->HasRecordedException())
{
bool considerPassingToDebugger = false;
JavascriptExceptionObject* recordedException = scriptContext->GetAndClearRecordedException(&considerPassingToDebugger);
if (recordedException != nullptr)
{
// If this is script termination, then throw ScriptAbortExceptio, else throw normal Exception object.
if (recordedException == scriptContext->GetThreadContext()->GetPendingTerminatedErrorObject())
{
throw Js::ScriptAbortException();
}
else
{
JavascriptExceptionOperators::RethrowExceptionObject(recordedException, scriptContext, considerPassingToDebugger);
}
}
}
if (result == nullptr)
{
result = scriptContext->GetLibrary()->GetUndefined();
}
else if (marshallingMayBeNeeded)
{
result = CrossSite::MarshalVar(scriptContext, result);
}
return result;
}
void RuntimeContextInfo::GatherKnownObjectToPathMap(Js::ScriptContext* ctx)
{
JsUtil::List<const Js::PropertyRecord*, HeapAllocator> propertyRecordList(&HeapAllocator::Instance);
this->EnqueueRootPathObject(_u("global"), ctx->GetGlobalObject());
this->EnqueueRootPathObject(_u("null"), ctx->GetLibrary()->GetNull());
this->EnqueueRootPathObject(_u("undeclBlockVar"), Js::RecyclableObject::FromVar(ctx->GetLibrary()->GetUndeclBlockVar()));
this->EnqueueRootPathObject(_u("_defaultAccessor"), ctx->GetLibrary()->GetDefaultAccessorFunction());
if(ctx->GetConfig()->IsErrorStackTraceEnabled())
{
this->EnqueueRootPathObject(_u("_stackTraceAccessor"), ctx->GetLibrary()->GetStackTraceAccessorFunction());
}
this->EnqueueRootPathObject(_u("_throwTypeErrorRestrictedPropertyAccessor"), ctx->GetLibrary()->GetThrowTypeErrorRestrictedPropertyAccessorFunction());
if(ctx->GetConfig()->IsES6PromiseEnabled())
{
this->EnqueueRootPathObject(_u("_identityFunction"), ctx->GetLibrary()->GetIdentityFunction());
this->EnqueueRootPathObject(_u("_throwerFunction"), ctx->GetLibrary()->GetThrowerFunction());
}
// ArrayIteratorPrototype is not created when we have JsBuiltins, it it created on-demand only
#ifdef ENABLE_JS_BUILTINS
if (ctx->IsJsBuiltInEnabled())
{
ctx->GetLibrary()->EnsureBuiltInEngineIsReady();
}
#endif
this->EnqueueRootPathObject(_u("_arrayIteratorPrototype"), ctx->GetLibrary()->GetArrayIteratorPrototype());
this->EnqueueRootPathObject(_u("_mapIteratorPrototype"), ctx->GetLibrary()->GetMapIteratorPrototype());
this->EnqueueRootPathObject(_u("_setIteratorPrototype"), ctx->GetLibrary()->GetSetIteratorPrototype());
this->EnqueueRootPathObject(_u("_stringIteratorPrototype"), ctx->GetLibrary()->GetStringIteratorPrototype());
this->EnqueueRootPathObject(_u("_generatorNextFunction"), ctx->GetLibrary()->EnsureGeneratorNextFunction());
this->EnqueueRootPathObject(_u("_generatorReturnFunction"), ctx->GetLibrary()->EnsureGeneratorReturnFunction());
this->EnqueueRootPathObject(_u("_generatorThrowFunction"), ctx->GetLibrary()->EnsureGeneratorThrowFunction());
this->EnqueueRootPathObject(_u("_generatorFunctionConstructor"), ctx->GetLibrary()->GetGeneratorFunctionConstructor());
this->EnqueueRootPathObject(_u("_asyncFunctionConstructor"), ctx->GetLibrary()->GetAsyncFunctionConstructor());
uint32 counter = 0;
while(!this->m_worklist.Empty())
{
Js::RecyclableObject* curr = this->m_worklist.Dequeue();
counter++;
////
//Handle the standard properties for all object types
//load propArray with all property names
propertyRecordList.Clear();
LoadAndOrderPropertyNames(curr, propertyRecordList);
//access each property and process the target objects as needed
for(int32 i = 0; i < propertyRecordList.Count(); ++i)
{
const Js::PropertyRecord* precord = propertyRecordList.Item(i);
Js::Var getter = nullptr;
Js::Var setter = nullptr;
if(curr->GetAccessors(precord->GetPropertyId(), &getter, &setter, ctx))
{
if(getter != nullptr && !Js::JavascriptOperators::IsUndefinedObject(getter))
{
TTDAssert(Js::JavascriptFunction::Is(getter), "The getter is not a function?");
this->EnqueueNewPathVarAsNeeded(curr, getter, precord, _u(">"));
}
if(setter != nullptr && !Js::JavascriptOperators::IsUndefinedObject(setter))
{
TTDAssert(Js::JavascriptFunction::Is(setter), "The setter is not a function?");
this->EnqueueNewPathVarAsNeeded(curr, Js::RecyclableObject::FromVar(setter), precord, _u("<"));
}
}
else
{
Js::Var pitem = nullptr;
BOOL isproperty = Js::JavascriptOperators::GetOwnProperty(curr, precord->GetPropertyId(), &pitem, ctx, nullptr);
TTDAssert(isproperty, "Not sure what went wrong.");
this->EnqueueNewPathVarAsNeeded(curr, pitem, precord, nullptr);
}
}
//shouldn't have any dynamic array valued properties
if(Js::DynamicType::Is(curr->GetTypeId()))
{
Js::ArrayObject* parray = Js::DynamicObject::FromVar(curr)->GetObjectArray();
if(parray != nullptr)
{
this->EnqueueNewPathVarAsNeeded(curr, parray, _u("_object_array_"));
}
}
Js::RecyclableObject* proto = curr->GetPrototype();
bool skipProto = (proto == nullptr) || Js::JavascriptOperators::IsUndefinedOrNullType(proto->GetTypeId());
if(!skipProto)
{
this->EnqueueNewPathVarAsNeeded(curr, proto, _u("_proto_"));
}
curr->ProcessCorePaths();
}
SortDictIntoListOnNames<Js::RecyclableObject*>(this->m_coreObjToPathMap, this->m_sortedObjectList, this->m_nullString);
SortDictIntoListOnNames<Js::FunctionBody*>(this->m_coreBodyToPathMap, this->m_sortedFunctionBodyList, this->m_nullString);
SortDictIntoListOnNames<Js::DebuggerScope*>(this->m_coreDbgScopeToPathMap, this->m_sortedDbgScopeList, this->m_nullString);
}
Var JavascriptExternalFunction::StdCallExternalFunctionThunk(RecyclableObject* function, CallInfo callInfo, ...)
{
ARGUMENTS(args, callInfo);
JavascriptExternalFunction* externalFunction = static_cast<JavascriptExternalFunction*>(function);
externalFunction->PrepareExternalCall(&args);
ScriptContext * scriptContext = externalFunction->type->GetScriptContext();
AnalysisAssert(scriptContext);
Var result = NULL;
#if ENABLE_TTD
if(scriptContext->ShouldPerformRecordOrReplayAction())
{
result = JavascriptExternalFunction::HandleRecordReplayExternalFunction_StdThunk(function, callInfo, args, scriptContext);
}
else
{
BEGIN_LEAVE_SCRIPT(scriptContext)
{
result = externalFunction->stdCallNativeMethod(function, ((callInfo.Flags & CallFlags_New) != 0), args.Values, args.Info.Count, externalFunction->callbackState);
}
END_LEAVE_SCRIPT(scriptContext);
}
#else
BEGIN_LEAVE_SCRIPT(scriptContext)
{
result = externalFunction->stdCallNativeMethod(function, ((callInfo.Flags & CallFlags_New) != 0), args.Values, args.Info.Count, externalFunction->callbackState);
}
END_LEAVE_SCRIPT(scriptContext);
#endif
if (result != nullptr && !Js::TaggedNumber::Is(result))
{
if (!Js::RecyclableObject::Is(result))
{
Js::Throw::InternalError();
}
Js::RecyclableObject * obj = Js::RecyclableObject::FromVar(result);
// For JSRT, we could get result marshalled in different context.
bool isJSRT = scriptContext->GetThreadContext()->IsJSRT();
if (!isJSRT && obj->GetScriptContext() != scriptContext)
{
Js::Throw::InternalError();
}
}
if (scriptContext->HasRecordedException())
{
bool considerPassingToDebugger = false;
JavascriptExceptionObject* recordedException = scriptContext->GetAndClearRecordedException(&considerPassingToDebugger);
if (recordedException != nullptr)
{
// If this is script termination, then throw ScriptAbortExceptio, else throw normal Exception object.
if (recordedException == scriptContext->GetThreadContext()->GetPendingTerminatedErrorObject())
{
throw Js::ScriptAbortException();
}
else
{
JavascriptExceptionOperators::RethrowExceptionObject(recordedException, scriptContext, considerPassingToDebugger);
}
}
}
if (result == nullptr)
{
result = scriptContext->GetLibrary()->GetUndefined();
}
else
{
result = CrossSite::MarshalVar(scriptContext, result);
}
return result;
}
