inline void
getChildData(
const XalanNode* child,
ExecutionContext& executionContext,
XalanDOMString& data)
{
assert(executionContext.hasPreserveOrStripSpaceConditions() == true);
const XalanNode::NodeType theType = child->getNodeType();
if (theType == XalanNode::ELEMENT_NODE)
{
const XalanElement* const theElementNode =
static_cast<const XalanElement*>(child);
DOMServices::doGetNodeData(*theElementNode, executionContext, data);
}
else if (theType == XalanNode::TEXT_NODE ||
theType == XalanNode::CDATA_SECTION_NODE)
{
const XalanText* theTextNode =
static_cast<const XalanText*>(child);
DOMServices::doGetNodeData(*theTextNode, executionContext, data);
}
}
bool
DynamicCheckerFunctions::Install(Stream &error_stream,
ExecutionContext &exe_ctx)
{
m_valid_pointer_check.reset(new ClangUtilityFunction(g_valid_pointer_check_text,
VALID_POINTER_CHECK_NAME));
if (!m_valid_pointer_check->Install(error_stream, exe_ctx))
return false;
Process *process = exe_ctx.GetProcessPtr();
if (process)
{
ObjCLanguageRuntime *objc_language_runtime = process->GetObjCLanguageRuntime();
if (objc_language_runtime)
{
m_objc_object_check.reset(objc_language_runtime->CreateObjectChecker(VALID_OBJC_OBJECT_CHECK_NAME));
if (!m_objc_object_check->Install(error_stream, exe_ctx))
return false;
}
}
return true;
}
OutputBuffer allocate_buffer(
size_type min_data_size, size_type min_record_count)
{
if(!m_context){
throw std::runtime_error(
"This OutputWriter is not corresponding to any tasks");
}
auto &memory_manager = m_context->memory_manager();
SerializedBuffer sb;
if(m_has_keys){
sb = SerializedBuffer::allocate_key_value_buffer(
memory_manager,
std::max(min_record_count, m_default_records_per_buffer),
std::max(min_data_size, m_default_buffer_size),
m_current_locality.self_node_id());
}else{
sb = SerializedBuffer::allocate_value_only_buffer(
memory_manager,
std::max(min_record_count, m_default_records_per_buffer),
std::max(min_data_size, m_default_buffer_size),
m_current_locality.self_node_id());
}
OutputBufferImpl buffer_impl;
buffer_impl.bind_fragment(std::move(sb));
return OutputBufferImpl::wrap_impl(std::move(buffer_impl));
}
/*!
* \brief Return a handle to the value of the Nth argument of the primitive.
* \param inIndex Index of the actual primitive in the primitive tree.
* \param inN Number of the argument to get the index.
* \param ioContext A reference to the execution context.
* \return A handle to the value of the Nth argument of the primitive.
*/
AnyType::Handle Primitive::getArgument(unsigned int inIndex, unsigned int inN, ExecutionContext& ioContext) const {
schnaps_StackTraceBeginM();
unsigned int lNodeIndex = getArgumentIndex(inIndex, inN, ioContext);
AnyType::Handle outResult = ioContext.getPrimitiveTree()[lNodeIndex].mPrimitive->execute(lNodeIndex, ioContext);
return outResult;
schnaps_StackTraceEndM("AnyType::Handle Primitive::getArgument(unsigned int, unsigned int, SCHNAPS::Core::ExecutionContext&) const");
}
inline void
getChildData(
const XalanNode* child,
ExecutionContext& executionContext,
FormatterListener& formatterListener,
DOMServices::MemberFunctionPtr function)
{
assert(executionContext.hasPreserveOrStripSpaceConditions() == true);
const XalanNode::NodeType theType = child->getNodeType();
if (theType == XalanNode::ELEMENT_NODE)
{
const XalanElement* const theElementNode =
static_cast<const XalanElement*>(child);
DOMServices::getNodeData(*theElementNode, executionContext, formatterListener, function);
}
else if (theType == XalanNode::TEXT_NODE ||
theType == XalanNode::CDATA_SECTION_NODE)
{
const XalanText* theTextNode =
static_cast<const XalanText*>(child);
DOMServices::getNodeData(*theTextNode, executionContext, formatterListener, function);
}
}
bool UnwindAssembly_x86::FirstNonPrologueInsn(
AddressRange &func, const ExecutionContext &exe_ctx,
Address &first_non_prologue_insn) {
if (!func.GetBaseAddress().IsValid())
return false;
Target *target = exe_ctx.GetTargetPtr();
if (target == nullptr)
return false;
if (m_assembly_inspection_engine == nullptr)
return false;
const bool prefer_file_cache = true;
std::vector<uint8_t> function_text(func.GetByteSize());
Status error;
if (target->ReadMemory(func.GetBaseAddress(), prefer_file_cache,
function_text.data(), func.GetByteSize(),
error) == func.GetByteSize()) {
size_t offset;
if (m_assembly_inspection_engine->FindFirstNonPrologueInstruction(
function_text.data(), func.GetByteSize(), offset)) {
first_non_prologue_insn = func.GetBaseAddress();
first_non_prologue_insn.Slide(offset);
}
return true;
}
return false;
}
// This is the static function
ExecutionResults
ClangFunction::ExecuteFunction (
ExecutionContext &exe_ctx,
lldb::addr_t function_address,
lldb::addr_t &void_arg,
bool stop_others,
bool try_all_threads,
bool discard_on_error,
uint32_t single_thread_timeout_usec,
Stream &errors,
lldb::addr_t *this_arg)
{
lldb::ThreadPlanSP call_plan_sp (ClangFunction::GetThreadPlanToCallFunction (exe_ctx,
function_address,
void_arg,
errors,
stop_others,
discard_on_error,
this_arg));
if (call_plan_sp == NULL)
return eExecutionSetupError;
call_plan_sp->SetPrivate(true);
return exe_ctx.GetProcessRef().RunThreadPlan (exe_ctx, call_plan_sp,
stop_others,
try_all_threads,
discard_on_error,
single_thread_timeout_usec,
errors);
}
void DatabaseTracker::forEachOpenDatabaseInPage(Page* page, std::unique_ptr<DatabaseCallback> callback)
{
MutexLocker openDatabaseMapLock(m_openDatabaseMapGuard);
if (!m_openDatabaseMap)
return;
for (auto& originMap : *m_openDatabaseMap) {
for (auto& nameDatabaseSet : *originMap.value) {
for (Database* database : *nameDatabaseSet.value) {
ExecutionContext* context = database->getExecutionContext();
ASSERT(context->isDocument());
if (toDocument(context)->frame()->page() == page)
(*callback)(database);
}
}
}
}
lldb::DisassemblerSP
Disassembler::DisassembleRange
(
const ArchSpec &arch,
const char *plugin_name,
const char *flavor,
const ExecutionContext &exe_ctx,
const AddressRange &range,
bool prefer_file_cache
)
{
lldb::DisassemblerSP disasm_sp;
if (range.GetByteSize() > 0 && range.GetBaseAddress().IsValid())
{
disasm_sp = Disassembler::FindPluginForTarget(exe_ctx.GetTargetSP(), arch, flavor, plugin_name);
if (disasm_sp)
{
size_t bytes_disassembled = disasm_sp->ParseInstructions (&exe_ctx, range, NULL, prefer_file_cache);
if (bytes_disassembled == 0)
disasm_sp.reset();
}
}
return disasm_sp;
}
/*!
* \brief Interpret the primitive tree.
* \param ioContext A reference to the execution context.
* \return A handle to the result of the interpretation.
* \throw SCHNAPS::Core::AssertException if the primitive tree is empty.
*/
AnyType::Handle PrimitiveTree::interpret(ExecutionContext& ioContext) const {
schnaps_StackTraceBeginM();
schnaps_AssertM(empty() == false);
ioContext.setPrimitiveTree(this);
return (*this)[0].mPrimitive->execute(0, ioContext);
schnaps_StackTraceEndM("SCHNAPS::Core::Atom::Handle SCHNAPS::Core::PrimitiveTree::interpret(SCHNAPS::Core::ExecutionContext&)");
}
static void
ResolveAddress (const ExecutionContext &exe_ctx,
const Address &addr,
Address &resolved_addr)
{
if (!addr.IsSectionOffset())
{
// If we weren't passed in a section offset address range,
// try and resolve it to something
Target *target = exe_ctx.GetTargetPtr();
if (target)
{
if (target->GetSectionLoadList().IsEmpty())
{
target->GetImages().ResolveFileAddress (addr.GetOffset(), resolved_addr);
}
else
{
target->GetSectionLoadList().ResolveLoadAddress (addr.GetOffset(), resolved_addr);
}
// We weren't able to resolve the address, just treat it as a
// raw address
if (resolved_addr.IsValid())
return;
}
}
resolved_addr = addr;
}
lldb::ThreadPlanSP
ClangFunction::GetThreadPlanToCallFunction (ExecutionContext &exe_ctx,
lldb::addr_t args_addr,
const EvaluateExpressionOptions &options,
Stream &errors)
{
Log *log(lldb_private::GetLogIfAnyCategoriesSet (LIBLLDB_LOG_EXPRESSIONS | LIBLLDB_LOG_STEP));
if (log)
log->Printf("-- [ClangFunction::GetThreadPlanToCallFunction] Creating thread plan to call function \"%s\" --", m_name.c_str());
// FIXME: Use the errors Stream for better error reporting.
Thread *thread = exe_ctx.GetThreadPtr();
if (thread == NULL)
{
errors.Printf("Can't call a function without a valid thread.");
return NULL;
}
// Okay, now run the function:
Address wrapper_address (m_jit_start_addr);
lldb::addr_t args = { args_addr };
lldb::ThreadPlanSP new_plan_sp (new ThreadPlanCallFunction (*thread,
wrapper_address,
CompilerType(),
args,
options));
new_plan_sp->SetIsMasterPlan(true);
new_plan_sp->SetOkayToDiscard (false);
return new_plan_sp;
}
bool
ClangFunction::FetchFunctionResults (ExecutionContext &exe_ctx, lldb::addr_t args_addr, Value &ret_value)
{
// Read the return value - it is the last field in the struct:
// FIXME: How does clang tell us there's no return value? We need to handle that case.
// FIXME: Create our ThreadPlanCallFunction with the return CompilerType, and then use GetReturnValueObject
// to fetch the value. That way we can fetch any values we need.
Log *log(lldb_private::GetLogIfAnyCategoriesSet (LIBLLDB_LOG_EXPRESSIONS | LIBLLDB_LOG_STEP));
if (log)
log->Printf("-- [ClangFunction::FetchFunctionResults] Fetching function results for \"%s\"--", m_name.c_str());
Process *process = exe_ctx.GetProcessPtr();
if (process == NULL)
return false;
lldb::ProcessSP jit_process_sp(m_jit_process_wp.lock());
if (process != jit_process_sp.get())
return false;
Error error;
ret_value.GetScalar() = process->ReadUnsignedIntegerFromMemory (args_addr + m_return_offset, m_return_size, 0, error);
if (error.Fail())
return false;
ret_value.SetCompilerType(m_function_return_type);
ret_value.SetValueType(Value::eValueTypeScalar);
return true;
}
/*
member = string name-separator value
*/
bool JsonParser::parseMember(Object *o)
{
BEGIN << "parseMember";
Scope scope(context);
QString key;
if (!parseString(&key))
return false;
QChar token = nextToken();
if (token != NameSeparator) {
lastError = QJsonParseError::MissingNameSeparator;
return false;
}
ScopedValue val(scope);
if (!parseValue(val))
return false;
ScopedString s(scope, context->d()->engine->newIdentifier(key));
uint idx = s->asArrayIndex();
if (idx < UINT_MAX) {
o->putIndexed(idx, val);
} else {
o->insertMember(s.getPointer(), val);
}
END;
return true;
}
void WorkerGlobalScopeFileSystem::webkitRequestFileSystem(WorkerGlobalScope* worker, int type, long long size, PassOwnPtr<FileSystemCallback> successCallback, PassOwnPtr<ErrorCallback> errorCallback)
{
ExecutionContext* secureContext = worker->executionContext();
if (!secureContext->securityOrigin()->canAccessFileSystem()) {
DOMFileSystem::scheduleCallback(worker, errorCallback, FileError::create(FileError::SECURITY_ERR));
return;
}
FileSystemType fileSystemType = static_cast<FileSystemType>(type);
if (!DOMFileSystemBase::isValidType(fileSystemType)) {
DOMFileSystem::scheduleCallback(worker, errorCallback, FileError::create(FileError::INVALID_MODIFICATION_ERR));
return;
}
LocalFileSystem::from(worker)->requestFileSystem(worker, fileSystemType, size, FileSystemCallbacks::create(successCallback, errorCallback, worker, fileSystemType));
}
void WorkerGlobalScopeFileSystem::webkitResolveLocalFileSystemURL(WorkerGlobalScope* worker, const String& url, PassOwnPtr<EntryCallback> successCallback, PassOwnPtr<ErrorCallback> errorCallback)
{
KURL completedURL = worker->completeURL(url);
ExecutionContext* secureContext = worker->executionContext();
if (!secureContext->securityOrigin()->canAccessFileSystem() || !secureContext->securityOrigin()->canRequest(completedURL)) {
DOMFileSystem::scheduleCallback(worker, errorCallback, FileError::create(FileError::SECURITY_ERR));
return;
}
if (!completedURL.isValid()) {
DOMFileSystem::scheduleCallback(worker, errorCallback, FileError::create(FileError::ENCODING_ERR));
return;
}
LocalFileSystem::from(worker)->resolveURL(worker, completedURL, ResolveURICallbacks::create(successCallback, errorCallback, worker));
}
virtual void execute(const DOM::Node<string_type, string_adaptor>& node,
ExecutionContext<string_type, string_adaptor>& context) const
{
ChainStackFrame<string_type, string_adaptor> frame(context);
if(test_->evaluateAsBool(node, context.xpathContext()))
this->execute_children(node, context);
} // execute
static void SetupDeclVendor(ExecutionContext &exe_ctx, Target *target) {
if (ClangModulesDeclVendor *decl_vendor =
target->GetClangModulesDeclVendor()) {
const ClangModulesDeclVendor::ModuleVector &hand_imported_modules =
llvm::cast<ClangPersistentVariables>(
target->GetPersistentExpressionStateForLanguage(
lldb::eLanguageTypeC))
->GetHandLoadedClangModules();
ClangModulesDeclVendor::ModuleVector modules_for_macros;
for (ClangModulesDeclVendor::ModuleID module : hand_imported_modules) {
modules_for_macros.push_back(module);
}
if (target->GetEnableAutoImportClangModules()) {
if (StackFrame *frame = exe_ctx.GetFramePtr()) {
if (Block *block = frame->GetFrameBlock()) {
SymbolContext sc;
block->CalculateSymbolContext(&sc);
if (sc.comp_unit) {
StreamString error_stream;
decl_vendor->AddModulesForCompileUnit(
*sc.comp_unit, modules_for_macros, error_stream);
}
}
}
}
}
}
lldb_private::Error
ClangExpressionParser::RunStaticInitializers (lldb::IRExecutionUnitSP &execution_unit_sp,
ExecutionContext &exe_ctx)
{
lldb_private::Error err;
lldbassert(execution_unit_sp.get());
lldbassert(exe_ctx.HasThreadScope());
if (!execution_unit_sp.get())
{
err.SetErrorString ("can't run static initializers for a NULL execution unit");
return err;
}
if (!exe_ctx.HasThreadScope())
{
err.SetErrorString ("can't run static initializers without a thread");
return err;
}
std::vector<lldb::addr_t> static_initializers;
execution_unit_sp->GetStaticInitializers(static_initializers);
for (lldb::addr_t static_initializer : static_initializers)
{
EvaluateExpressionOptions options;
lldb::ThreadPlanSP call_static_initializer(new ThreadPlanCallFunction(exe_ctx.GetThreadRef(),
Address(static_initializer),
CompilerType(),
llvm::ArrayRef<lldb::addr_t>(),
options));
DiagnosticManager execution_errors;
lldb::ExpressionResults results = exe_ctx.GetThreadRef().GetProcess()->RunThreadPlan(exe_ctx, call_static_initializer, options, execution_errors);
if (results != lldb::eExpressionCompleted)
{
err.SetErrorStringWithFormat ("couldn't run static initializer: %s", execution_errors.GetString().c_str());
return err;
}
}
return err;
}
void V8XMLHttpRequest::constructorCustom(const v8::FunctionCallbackInfo<v8::Value>& info)
{
ExecutionContext* context = currentExecutionContext(info.GetIsolate());
RefPtr<SecurityOrigin> securityOrigin;
if (context->isDocument()) {
DOMWrapperWorld& world = DOMWrapperWorld::current(info.GetIsolate());
if (world.isIsolatedWorld())
securityOrigin = world.isolatedWorldSecurityOrigin();
}
RefPtrWillBeRawPtr<XMLHttpRequest> xmlHttpRequest = XMLHttpRequest::create(context, securityOrigin);
v8::Handle<v8::Object> wrapper = info.Holder();
V8DOMWrapper::associateObjectWithWrapper<V8XMLHttpRequest>(xmlHttpRequest.release(), &wrapperTypeInfo, wrapper, info.GetIsolate(), WrapperConfiguration::Dependent);
info.GetReturnValue().Set(wrapper);
}
void FileReaderLoader::startInternal(ExecutionContext& executionContext, const Stream* stream, PassRefPtr<BlobDataHandle> blobData)
{
// The blob is read by routing through the request handling layer given a temporary public url.
m_urlForReading = BlobURL::createPublicURL(executionContext.getSecurityOrigin());
if (m_urlForReading.isEmpty()) {
failed(FileError::SECURITY_ERR);
return;
}
if (blobData) {
ASSERT(!stream);
BlobRegistry::registerPublicBlobURL(executionContext.getSecurityOrigin(), m_urlForReading, blobData);
} else {
ASSERT(stream);
BlobRegistry::registerStreamURL(executionContext.getSecurityOrigin(), m_urlForReading, stream->url());
}
// Construct and load the request.
ResourceRequest request(m_urlForReading);
request.setExternalRequestStateFromRequestorAddressSpace(executionContext.securityContext().addressSpace());
// FIXME: Should this really be 'internal'? Do we know anything about the actual request that generated this fetch?
request.setRequestContext(WebURLRequest::RequestContextInternal);
request.setHTTPMethod(HTTPNames::GET);
if (m_hasRange)
request.setHTTPHeaderField(HTTPNames::Range, AtomicString(String::format("bytes=%d-%d", m_rangeStart, m_rangeEnd)));
ThreadableLoaderOptions options;
options.preflightPolicy = ConsiderPreflight;
options.crossOriginRequestPolicy = DenyCrossOriginRequests;
// FIXME: Is there a directive to which this load should be subject?
options.contentSecurityPolicyEnforcement = DoNotEnforceContentSecurityPolicy;
// Use special initiator to hide the request from the inspector.
options.initiator = FetchInitiatorTypeNames::internal;
ResourceLoaderOptions resourceLoaderOptions;
resourceLoaderOptions.allowCredentials = AllowStoredCredentials;
if (m_client) {
m_loader = ThreadableLoader::create(executionContext, this, options, resourceLoaderOptions);
m_loader->start(request);
} else {
ThreadableLoader::loadResourceSynchronously(executionContext, request, *this, options, resourceLoaderOptions);
}
}
int setTimeout(ScriptState* scriptState, EventTarget& eventTarget, const String& handler, int timeout, const Vector<ScriptValue>&)
{
ExecutionContext* executionContext = eventTarget.executionContext();
if (!isAllowed(scriptState, executionContext, true))
return 0;
// Don't allow setting timeouts to run empty functions. Was historically a
// perfomance issue.
if (handler.isEmpty())
return 0;
if (timeout >= 0 && executionContext->isDocument()) {
// FIXME: Crude hack that attempts to pass idle time to V8. This should
// be done using the scheduler instead.
V8GCForContextDispose::instance().notifyIdle();
}
OwnPtrWillBeRawPtr<ScheduledAction> action = ScheduledAction::create(scriptState, handler);
return DOMTimer::install(executionContext, action.release(), timeout, true);
}
void V8XMLHttpRequest::openMethodCustom(const v8::FunctionCallbackInfo<v8::Value>& info)
{
// Four cases:
// open(method, url)
// open(method, url, async)
// open(method, url, async, user)
// open(method, url, async, user, passwd)
ExceptionState exceptionState(ExceptionState::ExecutionContext, "open", "XMLHttpRequest", info.Holder(), info.GetIsolate());
if (info.Length() < 2) {
exceptionState.throwTypeError(ExceptionMessages::notEnoughArguments(2, info.Length()));
exceptionState.throwIfNeeded();
return;
}
XMLHttpRequest* xmlHttpRequest = V8XMLHttpRequest::toNative(info.Holder());
TOSTRING_VOID(V8StringResource<>, method, info[0]);
TOSTRING_VOID(V8StringResource<>, urlstring, info[1]);
ExecutionContext* context = currentExecutionContext(info.GetIsolate());
KURL url = context->completeURL(urlstring);
if (info.Length() >= 3) {
bool async = info[2]->BooleanValue();
if (info.Length() >= 4 && !info[3]->IsUndefined()) {
TOSTRING_VOID(V8StringResource<TreatNullAsNullString>, user, info[3]);
if (info.Length() >= 5 && !info[4]->IsUndefined()) {
TOSTRING_VOID(V8StringResource<TreatNullAsNullString>, password, info[4]);
xmlHttpRequest->open(method, url, async, user, password, exceptionState);
} else {
xmlHttpRequest->open(method, url, async, user, exceptionState);
}
} else {
xmlHttpRequest->open(method, url, async, exceptionState);
}
} else {
xmlHttpRequest->open(method, url, exceptionState);
}
exceptionState.throwIfNeeded();
}
explicit io_object_impl(ExecutionContext& context,
typename enable_if<is_convertible<
ExecutionContext&, execution_context&>::value>::type* = 0)
: service_(&boost::asio::use_service<IoObjectService>(context)),
implementation_executor_(context.get_executor(),
is_same<ExecutionContext, io_context>::value)
{
service_->construct(implementation_);
}
void ThreadableLoader::loadResourceSynchronously(ExecutionContext& context, const ResourceRequest& request, ThreadableLoaderClient& client, const ThreadableLoaderOptions& options, const ResourceLoaderOptions& resourceLoaderOptions)
{
if (context.isWorkerGlobalScope()) {
WorkerThreadableLoader::loadResourceSynchronously(toWorkerGlobalScope(context), request, client, options, resourceLoaderOptions);
return;
}
DocumentThreadableLoader::loadResourceSynchronously(toDocument(context), request, client, options, resourceLoaderOptions);
}
void report() {
if (!m_scriptState->contextIsValid())
return;
// If execution termination has been triggered, quietly bail out.
if (m_scriptState->isolate()->IsExecutionTerminating())
return;
ExecutionContext* executionContext = m_scriptState->getExecutionContext();
if (!executionContext)
return;
ScriptState::Scope scope(m_scriptState);
v8::Local<v8::Value> value = m_promise.newLocal(m_scriptState->isolate());
v8::Local<v8::Value> reason =
m_exception.newLocal(m_scriptState->isolate());
// Either collected or https://crbug.com/450330
if (value.IsEmpty() || !value->IsPromise())
return;
ASSERT(!hasHandler());
EventTarget* target = executionContext->errorEventTarget();
if (target &&
!executionContext->shouldSanitizeScriptError(m_resourceName,
m_corsStatus)) {
PromiseRejectionEventInit init;
init.setPromise(ScriptPromise(m_scriptState, value));
init.setReason(ScriptValue(m_scriptState, reason));
init.setCancelable(true);
PromiseRejectionEvent* event = PromiseRejectionEvent::create(
m_scriptState, EventTypeNames::unhandledrejection, init);
// Log to console if event was not canceled.
m_shouldLogToConsole =
target->dispatchEvent(event) == DispatchEventResult::NotCanceled;
}
if (m_shouldLogToConsole) {
V8PerIsolateData* data = V8PerIsolateData::from(m_scriptState->isolate());
if (data->threadDebugger())
m_promiseRejectionId = data->threadDebugger()->promiseRejected(
m_scriptState->context(), m_errorMessage, reason,
std::move(m_location));
}
m_location.reset();
}
ScriptPromise USB::requestDevice(ScriptState* scriptState,
const USBDeviceRequestOptions& options) {
ExecutionContext* executionContext = scriptState->getExecutionContext();
UseCounter::count(executionContext, UseCounter::UsbRequestDevice);
ScriptPromiseResolver* resolver = ScriptPromiseResolver::create(scriptState);
ScriptPromise promise = resolver->promise();
if (!m_chooserService) {
LocalFrame* frame = executionContext->isDocument()
? toDocument(executionContext)->frame()
: nullptr;
if (!frame) {
resolver->reject(DOMException::create(NotSupportedError));
return promise;
}
frame->interfaceProvider()->getInterface(mojo::GetProxy(&m_chooserService));
m_chooserService.set_connection_error_handler(
convertToBaseCallback(WTF::bind(&USB::onChooserServiceConnectionError,
wrapWeakPersistent(this))));
}
String errorMessage;
if (!executionContext->isSecureContext(errorMessage)) {
resolver->reject(DOMException::create(SecurityError, errorMessage));
} else if (!UserGestureIndicator::consumeUserGesture()) {
resolver->reject(DOMException::create(
SecurityError,
"Must be handling a user gesture to show a permission request."));
} else {
Vector<usb::DeviceFilterPtr> filters;
if (options.hasFilters()) {
filters.reserveCapacity(options.filters().size());
for (const auto& filter : options.filters())
filters.append(convertDeviceFilter(filter));
}
m_chooserServiceRequests.add(resolver);
m_chooserService->GetPermission(
std::move(filters), convertToBaseCallback(WTF::bind(
&USB::onGetPermission, wrapPersistent(this),
wrapPersistent(resolver))));
}
return promise;
}
static void promiseRejectHandler(v8::PromiseRejectMessage data, RejectedPromises& rejectedPromises, ScriptState* scriptState)
{
if (data.GetEvent() == v8::kPromiseHandlerAddedAfterReject) {
rejectedPromises.handlerAdded(data);
return;
}
ASSERT(data.GetEvent() == v8::kPromiseRejectWithNoHandler);
v8::Local<v8::Promise> promise = data.GetPromise();
v8::Isolate* isolate = promise->GetIsolate();
ExecutionContext* context = scriptState->getExecutionContext();
v8::Local<v8::Value> exception = data.GetValue();
if (V8DOMWrapper::isWrapper(isolate, exception)) {
// Try to get the stack & location from a wrapped exception object (e.g. DOMException).
ASSERT(exception->IsObject());
auto privateError = V8PrivateProperty::getDOMExceptionError(isolate);
v8::Local<v8::Value> error = privateError.getOrUndefined(scriptState->context(), exception.As<v8::Object>());
if (!error->IsUndefined())
exception = error;
}
String errorMessage;
AccessControlStatus corsStatus = NotSharableCrossOrigin;
std::unique_ptr<SourceLocation> location;
v8::Local<v8::Message> message = v8::Exception::CreateMessage(isolate, exception);
if (!message.IsEmpty()) {
// message->Get() can be empty here. https://crbug.com/450330
errorMessage = toCoreStringWithNullCheck(message->Get());
location = SourceLocation::fromMessage(isolate, message, context);
if (message->IsSharedCrossOrigin())
corsStatus = SharableCrossOrigin;
} else {
location = SourceLocation::create(context->url().getString(), 0, 0, nullptr);
}
String messageForConsole = extractMessageForConsole(isolate, data.GetValue());
if (!messageForConsole.isEmpty())
errorMessage = "Uncaught " + messageForConsole;
rejectedPromises.rejectedWithNoHandler(scriptState, data, errorMessage, std::move(location), corsStatus);
}
void DOMTimer::fired()
{
ExecutionContext* context = getExecutionContext();
ASSERT(context);
context->timers()->setTimerNestingLevel(m_nestingLevel);
ASSERT(!context->activeDOMObjectsAreSuspended());
// Only the first execution of a multi-shot timer should get an affirmative user gesture indicator.
UserGestureIndicator gestureIndicator(m_userGestureToken.release());
TRACE_EVENT1("devtools.timeline", "TimerFire", "data", InspectorTimerFireEvent::data(context, m_timeoutID));
InspectorInstrumentationCookie cookie = InspectorInstrumentation::willFireTimer(context, m_timeoutID);
// Simple case for non-one-shot timers.
if (isActive()) {
if (repeatInterval() && repeatInterval() < minimumInterval) {
m_nestingLevel++;
if (m_nestingLevel >= maxTimerNestingLevel)
augmentRepeatInterval(minimumInterval - repeatInterval());
}
// No access to member variables after this point, it can delete the timer.
m_action->execute(context);
InspectorInstrumentation::didFireTimer(cookie);
return;
}
RawPtr<DOMTimer> protect(this);
// Unregister the timer from ExecutionContext before executing the action
// for one-shot timers.
RawPtr<ScheduledAction> action = m_action.release();
context->timers()->removeTimeoutByID(m_timeoutID);
action->execute(context);
InspectorInstrumentation::didFireTimer(cookie);
TRACE_EVENT_INSTANT1(TRACE_DISABLED_BY_DEFAULT("devtools.timeline"), "UpdateCounters", TRACE_EVENT_SCOPE_THREAD, "data", InspectorUpdateCountersEvent::data());
// ExecutionContext might be already gone when we executed action->execute().
if (getExecutionContext())
getExecutionContext()->timers()->setTimerNestingLevel(0);
}
QString Stringify::JO(Object *o)
{
if (stack.contains(o)) {
ctx->throwTypeError();
return QString();
}
Scope scope(ctx);
QString result;
stack.push(o);
QString stepback = indent;
indent += gap;
QStringList partial;
if (propertyList.isEmpty()) {
ObjectIterator it(scope, o, ObjectIterator::EnumerableOnly);
ScopedValue name(scope);
ScopedValue val(scope);
while (1) {
name = it.nextPropertyNameAsString(val);
if (name->isNull())
break;
QString key = name->toQString();
QString member = makeMember(key, val);
if (!member.isEmpty())
partial += member;
}
} else {
ScopedString s(scope);
for (int i = 0; i < propertyList.size(); ++i) {
bool exists;
s = propertyList.at(i);
ScopedValue v(scope, o->get(s.getPointer(), &exists));
if (!exists)
continue;
QString member = makeMember(s->toQString(), v);
if (!member.isEmpty())
partial += member;
}
}
if (partial.isEmpty()) {
result = QStringLiteral("{}");
} else if (gap.isEmpty()) {
result = QStringLiteral("{") + partial.join(QLatin1Char(',')) + QStringLiteral("}");
} else {
QString separator = QStringLiteral(",\n") + indent;
result = QStringLiteral("{\n") + indent + partial.join(separator) + QStringLiteral("\n") + stepback + QStringLiteral("}");
}
indent = stepback;
stack.pop();
return result;
}