static void populateContextMenuItems(ExecState* exec, JSArray* array, ContextMenu& menu)
{
for (size_t i = 0; i < array->length(); ++i) {
JSObject* item = asObject(array->getIndex(exec, i));
JSValue label = item->get(exec, Identifier::fromString(exec, "label"));
JSValue type = item->get(exec, Identifier::fromString(exec, "type"));
JSValue id = item->get(exec, Identifier::fromString(exec, "id"));
JSValue enabled = item->get(exec, Identifier::fromString(exec, "enabled"));
JSValue checked = item->get(exec, Identifier::fromString(exec, "checked"));
JSValue subItems = item->get(exec, Identifier::fromString(exec, "subItems"));
if (!type.isString())
continue;
String typeString = type.toWTFString(exec);
if (typeString == "separator") {
ContextMenuItem item(SeparatorType, ContextMenuItemTagNoAction, String());
menu.appendItem(item);
} else if (typeString == "subMenu" && subItems.inherits(JSArray::info())) {
ContextMenu subMenu;
JSArray* subItemsArray = asArray(subItems);
populateContextMenuItems(exec, subItemsArray, subMenu);
ContextMenuItem item(SubmenuType, ContextMenuItemTagNoAction, label.toWTFString(exec), &subMenu);
menu.appendItem(item);
} else {
ContextMenuAction typedId = static_cast<ContextMenuAction>(ContextMenuItemBaseCustomTag + id.toInt32(exec));
ContextMenuItem menuItem((typeString == "checkbox" ? CheckableActionType : ActionType), typedId, label.toWTFString(exec));
if (!enabled.isUndefined())
menuItem.setEnabled(enabled.toBoolean(exec));
if (!checked.isUndefined())
menuItem.setChecked(checked.toBoolean(exec));
menu.appendItem(menuItem);
}
}
}
// Based on ErrorPrototype's errorProtoFuncToString(), but is modified to
// have no observable side effects to the user (i.e. does not call proxies,
// and getters).
String ErrorInstance::sanitizedToString(ExecState* exec)
{
VM& vm = exec->vm();
auto scope = DECLARE_THROW_SCOPE(vm);
JSValue nameValue;
auto namePropertName = vm.propertyNames->name;
PropertySlot nameSlot(this, PropertySlot::InternalMethodType::VMInquiry);
JSValue currentObj = this;
unsigned prototypeDepth = 0;
// We only check the current object and its prototype (2 levels) because normal
// Error objects may have a name property, and if not, its prototype should have
// a name property for the type of error e.g. "SyntaxError".
while (currentObj.isCell() && prototypeDepth++ < 2) {
JSObject* obj = jsCast<JSObject*>(currentObj);
if (JSObject::getOwnPropertySlot(obj, exec, namePropertName, nameSlot) && nameSlot.isValue()) {
nameValue = nameSlot.getValue(exec, namePropertName);
break;
}
currentObj = obj->getPrototypeDirect();
}
ASSERT(!scope.exception());
String nameString;
if (!nameValue)
nameString = ASCIILiteral("Error");
else {
nameString = nameValue.toWTFString(exec);
RETURN_IF_EXCEPTION(scope, String());
}
JSValue messageValue;
auto messagePropertName = vm.propertyNames->message;
PropertySlot messageSlot(this, PropertySlot::InternalMethodType::VMInquiry);
if (JSObject::getOwnPropertySlot(this, exec, messagePropertName, messageSlot) && messageSlot.isValue())
messageValue = messageSlot.getValue(exec, messagePropertName);
ASSERT(!scope.exception());
String messageString;
if (!messageValue)
messageString = String();
else {
messageString = messageValue.toWTFString(exec);
RETURN_IF_EXCEPTION(scope, String());
}
if (!nameString.length())
return messageString;
if (!messageString.length())
return nameString;
StringBuilder builder;
builder.append(nameString);
builder.appendLiteral(": ");
builder.append(messageString);
return builder.toString();
}
// ECMA-262 5.1, 15.11.4.4
EncodedJSValue JSC_HOST_CALL errorProtoFuncToString(ExecState* exec)
{
VM& vm = exec->vm();
auto scope = DECLARE_THROW_SCOPE(vm);
// 1. Let O be the this value.
JSValue thisValue = exec->thisValue();
// 2. If Type(O) is not Object, throw a TypeError exception.
if (!thisValue.isObject())
return throwVMTypeError(exec, scope);
JSObject* thisObj = asObject(thisValue);
// Guard against recursion!
StringRecursionChecker checker(exec, thisObj);
ASSERT(!scope.exception() || checker.earlyReturnValue());
if (JSValue earlyReturnValue = checker.earlyReturnValue())
return JSValue::encode(earlyReturnValue);
// 3. Let name be the result of calling the [[Get]] internal method of O with argument "name".
JSValue name = thisObj->get(exec, exec->propertyNames().name);
RETURN_IF_EXCEPTION(scope, encodedJSValue());
// 4. If name is undefined, then let name be "Error"; else let name be ToString(name).
String nameString;
if (name.isUndefined())
nameString = ASCIILiteral("Error");
else {
nameString = name.toWTFString(exec);
RETURN_IF_EXCEPTION(scope, encodedJSValue());
}
// 5. Let msg be the result of calling the [[Get]] internal method of O with argument "message".
JSValue message = thisObj->get(exec, exec->propertyNames().message);
RETURN_IF_EXCEPTION(scope, encodedJSValue());
// (sic)
// 6. If msg is undefined, then let msg be the empty String; else let msg be ToString(msg).
// 7. If msg is undefined, then let msg be the empty String; else let msg be ToString(msg).
String messageString;
if (message.isUndefined())
messageString = String();
else {
messageString = message.toWTFString(exec);
RETURN_IF_EXCEPTION(scope, encodedJSValue());
}
// 8. If name is the empty String, return msg.
if (!nameString.length())
return JSValue::encode(message.isString() ? message : jsString(exec, messageString));
// 9. If msg is the empty String, return name.
if (!messageString.length())
return JSValue::encode(name.isString() ? name : jsString(exec, nameString));
// 10. Return the result of concatenating name, ":", a single space character, and msg.
scope.release();
return JSValue::encode(jsMakeNontrivialString(exec, nameString, ": ", messageString));
}
void JSLocation::setPort(ExecState* exec, JSValue value)
{
String port = value.toWTFString(exec);
if (exec->hadException())
return;
impl()->setPort(port, activeDOMWindow(exec), firstDOMWindow(exec));
}
bool JSStorage::putDelegate(ExecState* state, PropertyName propertyName, JSValue value, PutPropertySlot&, bool& putResult)
{
VM& vm = state->vm();
auto scope = DECLARE_THROW_SCOPE(vm);
// Only perform the custom put if the object doesn't have a native property by this name.
// Since hasProperty() would end up calling canGetItemsForName() and be fooled, we need to check
// the native property slots manually.
PropertySlot slot { this, PropertySlot::InternalMethodType::GetOwnProperty };
JSValue prototype = this->getPrototypeDirect();
if (prototype.isObject() && asObject(prototype)->getPropertySlot(state, propertyName, slot))
return false;
if (propertyName.isSymbol())
return false;
String stringValue = value.toWTFString(state);
RETURN_IF_EXCEPTION(scope, true);
auto setItemResult = wrapped().setItem(propertyNameToString(propertyName), stringValue);
if (setItemResult.hasException()) {
propagateException(*state, scope, setItemResult.releaseException());
return true;
}
putResult = true;
return true;
}
static std::error_code getTypeFlags(ExecState& exec, const JSValue& typeValue, ResourceFlags& flags, uint16_t (*stringToType)(const String&))
{
VM& vm = exec.vm();
auto scope = DECLARE_THROW_SCOPE(vm);
if (!typeValue.isObject())
return { };
const JSObject* object = typeValue.toObject(&exec);
ASSERT(!scope.exception());
if (!isJSArray(object))
return ContentExtensionError::JSONInvalidTriggerFlagsArray;
const JSArray* array = jsCast<const JSArray*>(object);
unsigned length = array->length();
for (unsigned i = 0; i < length; ++i) {
const JSValue value = array->getIndex(&exec, i);
if (scope.exception() || !value)
return ContentExtensionError::JSONInvalidObjectInTriggerFlagsArray;
String name = value.toWTFString(&exec);
uint16_t type = stringToType(name);
if (!type)
return ContentExtensionError::JSONInvalidStringInTriggerFlagsArray;
flags |= type;
}
return { };
}
static bool extractSourceInformationFromException(JSC::ExecState* exec, JSObject* exceptionObject, int* lineNumber, int* columnNumber, String* sourceURL)
{
VM& vm = exec->vm();
auto scope = DECLARE_CATCH_SCOPE(vm);
// FIXME: <http://webkit.org/b/115087> Web Inspector: Should not need to evaluate JavaScript handling exceptions
JSValue lineValue = exceptionObject->getDirect(vm, Identifier::fromString(exec, "line"));
JSValue columnValue = exceptionObject->getDirect(vm, Identifier::fromString(exec, "column"));
JSValue sourceURLValue = exceptionObject->getDirect(vm, Identifier::fromString(exec, "sourceURL"));
bool result = false;
if (lineValue && lineValue.isNumber()
&& sourceURLValue && sourceURLValue.isString()) {
*lineNumber = int(lineValue.toNumber(exec));
*columnNumber = columnValue && columnValue.isNumber() ? int(columnValue.toNumber(exec)) : 0;
*sourceURL = sourceURLValue.toWTFString(exec);
result = true;
} else if (ErrorInstance* error = jsDynamicCast<ErrorInstance*>(vm, exceptionObject)) {
unsigned unsignedLine;
unsigned unsignedColumn;
result = getLineColumnAndSource(error->stackTrace(), unsignedLine, unsignedColumn, *sourceURL);
*lineNumber = static_cast<int>(unsignedLine);
*columnNumber = static_cast<int>(unsignedColumn);
}
if (sourceURL->isEmpty())
*sourceURL = "undefined"_s;
scope.clearException();
return result;
}
template<> Optional<TestStandaloneDictionary::EnumInStandaloneDictionaryFile> parseEnumeration<TestStandaloneDictionary::EnumInStandaloneDictionaryFile>(ExecState& state, JSValue value)
{
auto stringValue = value.toWTFString(&state);
if (stringValue == "enumValue1")
return TestStandaloneDictionary::EnumInStandaloneDictionaryFile::EnumValue1;
if (stringValue == "enumValue2")
return TestStandaloneDictionary::EnumInStandaloneDictionaryFile::EnumValue2;
return WTF::nullopt;
}
bool setJSTestInterfaceConstructorSupplementalStaticAttr(ExecState* state, EncodedJSValue thisValue, EncodedJSValue encodedValue)
{
JSValue value = JSValue::decode(encodedValue);
auto nativeValue = value.toWTFString(state);
if (UNLIKELY(state->hadException()))
return false;
WebCore::TestSupplemental::setSupplementalStaticAttr(WTFMove(nativeValue));
return true;
}
bool JSDictionary::getWithUndefinedOrNullCheck(const String& propertyName, String& result) const
{
ASSERT(isValid());
JSValue value;
if (tryGetProperty(propertyName.utf8().data(), value) != PropertyFound || value.isUndefinedOrNull())
return false;
result = value.toWTFString(m_exec);
return true;
}
static std::error_code loadAction(ExecState& exec, const JSObject& ruleObject, Action& action, bool& validSelector)
{
VM& vm = exec.vm();
auto scope = DECLARE_THROW_SCOPE(vm);
validSelector = true;
const JSValue actionObject = ruleObject.get(&exec, Identifier::fromString(&exec, "action"));
if (!actionObject || scope.exception() || !actionObject.isObject())
return ContentExtensionError::JSONInvalidAction;
const JSValue typeObject = actionObject.get(&exec, Identifier::fromString(&exec, "type"));
if (!typeObject || scope.exception() || !typeObject.isString())
return ContentExtensionError::JSONInvalidActionType;
String actionType = typeObject.toWTFString(&exec);
if (actionType == "block")
action = ActionType::BlockLoad;
else if (actionType == "ignore-previous-rules")
action = ActionType::IgnorePreviousRules;
else if (actionType == "block-cookies")
action = ActionType::BlockCookies;
else if (actionType == "css-display-none") {
JSValue selector = actionObject.get(&exec, Identifier::fromString(&exec, "selector"));
if (!selector || scope.exception() || !selector.isString())
return ContentExtensionError::JSONInvalidCSSDisplayNoneActionType;
String s = selector.toWTFString(&exec);
if (!isValidSelector(s)) {
// Skip rules with invalid selectors to be backwards-compatible.
validSelector = false;
return { };
}
action = Action(ActionType::CSSDisplayNoneSelector, s);
} else if (actionType == "make-https") {
action = ActionType::MakeHTTPS;
} else
return ContentExtensionError::JSONInvalidActionType;
return { };
}
bool setJSTestInterfaceSupplementalStr2(ExecState* state, EncodedJSValue thisValue, EncodedJSValue encodedValue)
{
JSValue value = JSValue::decode(encodedValue);
UNUSED_PARAM(thisValue);
JSTestInterface* castedThis = jsDynamicCast<JSTestInterface*>(JSValue::decode(thisValue));
if (UNLIKELY(!castedThis)) {
return throwSetterTypeError(*state, "TestInterface", "supplementalStr2");
}
auto& impl = castedThis->wrapped();
auto nativeValue = value.toWTFString(state);
if (UNLIKELY(state->hadException()))
return false;
WebCore::TestSupplemental::setSupplementalStr2(impl, WTFMove(nativeValue));
return true;
}
bool setJSTestNodeName(ExecState* state, EncodedJSValue thisValue, EncodedJSValue encodedValue)
{
JSValue value = JSValue::decode(encodedValue);
UNUSED_PARAM(thisValue);
JSTestNode* castedThis = jsDynamicCast<JSTestNode*>(JSValue::decode(thisValue));
if (UNLIKELY(!castedThis)) {
return throwSetterTypeError(*state, "TestNode", "name");
}
auto& impl = castedThis->wrapped();
auto nativeValue = value.toWTFString(state);
if (UNLIKELY(state->hadException()))
return false;
impl.setName(WTFMove(nativeValue));
return true;
}
bool setJSTestGlobalObjectPublicAndPrivateConditionalAttribute(ExecState* state, EncodedJSValue thisValue, EncodedJSValue encodedValue)
{
JSValue value = JSValue::decode(encodedValue);
UNUSED_PARAM(thisValue);
JSTestGlobalObject* castedThis = jsDynamicCast<JSTestGlobalObject*>(JSValue::decode(thisValue));
if (UNLIKELY(!castedThis)) {
return throwSetterTypeError(*state, "TestGlobalObject", "publicAndPrivateConditionalAttribute");
}
auto& impl = castedThis->wrapped();
auto nativeValue = value.toWTFString(state);
if (UNLIKELY(state->hadException()))
return false;
impl.setPublicAndPrivateConditionalAttribute(WTFMove(nativeValue));
return true;
}
static EncodedJSValue JSC_HOST_CALL constructJSWebAssemblyTable(ExecState* exec)
{
VM& vm = exec->vm();
auto throwScope = DECLARE_THROW_SCOPE(vm);
JSObject* memoryDescriptor;
{
JSValue argument = exec->argument(0);
if (!argument.isObject())
return JSValue::encode(throwException(exec, throwScope, createTypeError(exec, ASCIILiteral("WebAssembly.Table expects its first argument to be an object"))));
memoryDescriptor = jsCast<JSObject*>(argument);
}
{
Identifier elementIdent = Identifier::fromString(&vm, "element");
JSValue elementValue = memoryDescriptor->get(exec, elementIdent);
RETURN_IF_EXCEPTION(throwScope, encodedJSValue());
String elementString = elementValue.toWTFString(exec);
RETURN_IF_EXCEPTION(throwScope, encodedJSValue());
if (elementString != "anyfunc")
return JSValue::encode(throwException(exec, throwScope, createTypeError(exec, ASCIILiteral("WebAssembly.Table expects its 'element' field to be the string 'anyfunc'"))));
}
Identifier initialIdent = Identifier::fromString(&vm, "initial");
JSValue initialSizeValue = memoryDescriptor->get(exec, initialIdent);
RETURN_IF_EXCEPTION(throwScope, encodedJSValue());
uint32_t initial = toNonWrappingUint32(exec, initialSizeValue);
RETURN_IF_EXCEPTION(throwScope, encodedJSValue());
std::optional<uint32_t> maximum;
Identifier maximumIdent = Identifier::fromString(&vm, "maximum");
bool hasProperty = memoryDescriptor->hasProperty(exec, maximumIdent);
RETURN_IF_EXCEPTION(throwScope, encodedJSValue());
if (hasProperty) {
JSValue maxSizeValue = memoryDescriptor->get(exec, maximumIdent);
RETURN_IF_EXCEPTION(throwScope, encodedJSValue());
maximum = toNonWrappingUint32(exec, maxSizeValue);
RETURN_IF_EXCEPTION(throwScope, encodedJSValue());
if (initial > *maximum) {
return JSValue::encode(throwException(exec, throwScope,
createRangeError(exec, ASCIILiteral("'maximum' property must be greater than or equal to the 'initial' property"))));
}
}
throwScope.release();
return JSValue::encode(JSWebAssemblyTable::create(exec, vm, exec->lexicalGlobalObject()->WebAssemblyTableStructure(), initial, maximum));
}
static CryptoKeyFormat cryptoKeyFormatFromJSValue(ExecState& state, ThrowScope& scope, JSValue value)
{
auto keyFormatString = value.toWTFString(&state);
RETURN_IF_EXCEPTION(scope, { });
if (keyFormatString == "raw")
return CryptoKeyFormat::Raw;
if (keyFormatString == "pkcs8")
return CryptoKeyFormat::PKCS8;
if (keyFormatString == "spki")
return CryptoKeyFormat::SPKI;
if (keyFormatString == "jwk")
return CryptoKeyFormat::JWK;
throwTypeError(&state, scope, ASCIILiteral("Unknown key format"));
return { };
}
String JSCustomXPathNSResolver::lookupNamespaceURI(const String& prefix)
{
ASSERT(m_customResolver);
JSLockHolder lock(commonVM());
ExecState* exec = m_globalObject->globalExec();
JSValue function = m_customResolver->get(exec, Identifier::fromString(exec, "lookupNamespaceURI"));
CallData callData;
CallType callType = getCallData(function, callData);
if (callType == CallType::None) {
callType = m_customResolver->methodTable()->getCallData(m_customResolver.get(), callData);
if (callType == CallType::None) {
if (PageConsoleClient* console = m_globalObject->wrapped().console())
console->addMessage(MessageSource::JS, MessageLevel::Error, ASCIILiteral("XPathNSResolver does not have a lookupNamespaceURI method."));
return String();
}
function = m_customResolver.get();
}
Ref<JSCustomXPathNSResolver> protectedThis(*this);
MarkedArgumentBuffer args;
args.append(jsStringWithCache(exec, prefix));
NakedPtr<JSC::Exception> exception;
JSValue retval = JSMainThreadExecState::call(exec, function, callType, callData, m_customResolver.get(), args, exception);
String result;
if (exception)
reportException(exec, exception);
else {
if (!retval.isUndefinedOrNull())
result = retval.toWTFString(exec);
}
return result;
}
static std::error_code loadTrigger(ExecState& exec, const JSObject& ruleObject, Trigger& trigger)
{
VM& vm = exec.vm();
auto scope = DECLARE_THROW_SCOPE(vm);
const JSValue triggerObject = ruleObject.get(&exec, Identifier::fromString(&exec, "trigger"));
if (!triggerObject || scope.exception() || !triggerObject.isObject())
return ContentExtensionError::JSONInvalidTrigger;
const JSValue urlFilterObject = triggerObject.get(&exec, Identifier::fromString(&exec, "url-filter"));
if (!urlFilterObject || scope.exception() || !urlFilterObject.isString())
return ContentExtensionError::JSONInvalidURLFilterInTrigger;
String urlFilter = urlFilterObject.toWTFString(&exec);
if (urlFilter.isEmpty())
return ContentExtensionError::JSONInvalidURLFilterInTrigger;
trigger.urlFilter = urlFilter;
const JSValue urlFilterCaseValue = triggerObject.get(&exec, Identifier::fromString(&exec, "url-filter-is-case-sensitive"));
if (urlFilterCaseValue && !scope.exception() && urlFilterCaseValue.isBoolean())
trigger.urlFilterIsCaseSensitive = urlFilterCaseValue.toBoolean(&exec);
const JSValue resourceTypeValue = triggerObject.get(&exec, Identifier::fromString(&exec, "resource-type"));
if (!scope.exception() && resourceTypeValue.isObject()) {
auto typeFlagsError = getTypeFlags(exec, resourceTypeValue, trigger.flags, readResourceType);
if (typeFlagsError)
return typeFlagsError;
} else if (!resourceTypeValue.isUndefined())
return ContentExtensionError::JSONInvalidTriggerFlagsArray;
const JSValue loadTypeValue = triggerObject.get(&exec, Identifier::fromString(&exec, "load-type"));
if (!scope.exception() && loadTypeValue.isObject()) {
auto typeFlagsError = getTypeFlags(exec, loadTypeValue, trigger.flags, readLoadType);
if (typeFlagsError)
return typeFlagsError;
} else if (!loadTypeValue.isUndefined())
return ContentExtensionError::JSONInvalidTriggerFlagsArray;
const JSValue ifDomain = triggerObject.get(&exec, Identifier::fromString(&exec, "if-domain"));
if (!scope.exception() && ifDomain.isObject()) {
auto ifDomainError = getDomainList(exec, asObject(ifDomain), trigger.domains);
if (ifDomainError)
return ifDomainError;
if (trigger.domains.isEmpty())
return ContentExtensionError::JSONInvalidDomainList;
ASSERT(trigger.domainCondition == Trigger::DomainCondition::None);
trigger.domainCondition = Trigger::DomainCondition::IfDomain;
} else if (!ifDomain.isUndefined())
return ContentExtensionError::JSONInvalidDomainList;
const JSValue unlessDomain = triggerObject.get(&exec, Identifier::fromString(&exec, "unless-domain"));
if (!scope.exception() && unlessDomain.isObject()) {
if (trigger.domainCondition != Trigger::DomainCondition::None)
return ContentExtensionError::JSONUnlessAndIfDomain;
auto unlessDomainError = getDomainList(exec, asObject(unlessDomain), trigger.domains);
if (unlessDomainError)
return unlessDomainError;
if (trigger.domains.isEmpty())
return ContentExtensionError::JSONInvalidDomainList;
trigger.domainCondition = Trigger::DomainCondition::UnlessDomain;
} else if (!unlessDomain.isUndefined())
return ContentExtensionError::JSONInvalidDomainList;
return { };
}
EncodedJSValue JSC_HOST_CALL constructJSFile(ExecState& exec)
{
auto* constructor = jsCast<DOMConstructorObject*>(exec.callee());
ScriptExecutionContext* context = constructor->scriptExecutionContext();
if (!context)
return throwVMError(&exec, createReferenceError(&exec, "File constructor associated document is unavailable"));
JSValue arg = exec.argument(0);
if (arg.isUndefinedOrNull())
return throwVMTypeError(&exec, ASCIILiteral("First argument to File constructor must be a valid sequence, was undefined or null"));
unsigned blobPartsLength = 0;
JSObject* blobParts = toJSSequence(exec, arg, blobPartsLength);
if (exec.hadException())
return JSValue::encode(jsUndefined());
ASSERT(blobParts);
arg = exec.argument(1);
if (arg.isUndefined())
return throwVMTypeError(&exec, ASCIILiteral("Second argument to File constructor must be a valid string, was undefined"));
String filename = arg.toWTFString(&exec).replace('/', ':');
if (exec.hadException())
return JSValue::encode(jsUndefined());
String normalizedType;
Optional<int64_t> lastModified;
arg = exec.argument(2);
if (!arg.isUndefinedOrNull()) {
JSObject* filePropertyBagObject = arg.getObject();
if (!filePropertyBagObject)
return throwVMTypeError(&exec, ASCIILiteral("Third argument of the constructor is not of type Object"));
// Create the dictionary wrapper from the initializer object.
JSDictionary dictionary(&exec, filePropertyBagObject);
// Attempt to get the type property.
String type;
dictionary.get("type", type);
if (exec.hadException())
return JSValue::encode(jsUndefined());
normalizedType = Blob::normalizedContentType(type);
// Only try to parse the lastModified date if there was not an invalid type argument.
if (type.isEmpty() || !normalizedType.isEmpty()) {
dictionary.get("lastModified", lastModified);
if (exec.hadException())
return JSValue::encode(jsUndefined());
}
}
if (!lastModified)
lastModified = currentTimeMS();
BlobBuilder blobBuilder;
for (unsigned i = 0; i < blobPartsLength; ++i) {
JSValue item = blobParts->get(&exec, i);
if (exec.hadException())
return JSValue::encode(jsUndefined());
if (ArrayBuffer* arrayBuffer = toArrayBuffer(item))
blobBuilder.append(arrayBuffer);
else if (RefPtr<ArrayBufferView> arrayBufferView = toArrayBufferView(item))
blobBuilder.append(WTFMove(arrayBufferView));
else if (Blob* blob = JSBlob::toWrapped(item))
blobBuilder.append(blob);
else {
String string = item.toWTFString(&exec);
if (exec.hadException())
return JSValue::encode(jsUndefined());
blobBuilder.append(string, ASCIILiteral("transparent"));
}
}
auto file = File::create(blobBuilder.finalize(), filename, normalizedType, lastModified.value());
return JSValue::encode(CREATE_DOM_WRAPPER(constructor->globalObject(), File, WTFMove(file)));
}
void JSEventListener::handleEvent(ScriptExecutionContext* scriptExecutionContext, Event* event)
{
ASSERT(scriptExecutionContext);
if (!scriptExecutionContext || scriptExecutionContext->isJSExecutionForbidden())
return;
VM& vm = scriptExecutionContext->vm();
JSLockHolder lock(vm);
auto scope = DECLARE_CATCH_SCOPE(vm);
// See https://dom.spec.whatwg.org/#dispatching-events spec on calling handleEvent.
// "If this throws an exception, report the exception." It should not propagate the
// exception.
JSObject* jsFunction = this->jsFunction(scriptExecutionContext);
if (!jsFunction)
return;
JSDOMGlobalObject* globalObject = toJSDOMGlobalObject(scriptExecutionContext, *m_isolatedWorld);
if (!globalObject)
return;
if (scriptExecutionContext->isDocument()) {
JSDOMWindow* window = jsCast<JSDOMWindow*>(globalObject);
if (!window->wrapped().isCurrentlyDisplayedInFrame())
return;
if (wasCreatedFromMarkup() && !scriptExecutionContext->contentSecurityPolicy()->allowInlineEventHandlers(sourceURL(), sourcePosition().m_line))
return;
// FIXME: Is this check needed for other contexts?
ScriptController& script = window->wrapped().frame()->script();
if (!script.canExecuteScripts(AboutToExecuteScript) || script.isPaused())
return;
}
ExecState* exec = globalObject->globalExec();
JSValue handleEventFunction = jsFunction;
CallData callData;
CallType callType = getCallData(handleEventFunction, callData);
// If jsFunction is not actually a function, see if it implements the EventListener interface and use that
if (callType == CallType::None) {
handleEventFunction = jsFunction->get(exec, Identifier::fromString(exec, "handleEvent"));
if (UNLIKELY(scope.exception())) {
auto* exception = scope.exception();
scope.clearException();
event->target()->uncaughtExceptionInEventHandler();
reportException(exec, exception);
return;
}
callType = getCallData(handleEventFunction, callData);
}
if (callType != CallType::None) {
Ref<JSEventListener> protectedThis(*this);
MarkedArgumentBuffer args;
args.append(toJS(exec, globalObject, event));
Event* savedEvent = globalObject->currentEvent();
globalObject->setCurrentEvent(event);
VMEntryScope entryScope(vm, vm.entryScope ? vm.entryScope->globalObject() : globalObject);
InspectorInstrumentationCookie cookie = JSMainThreadExecState::instrumentFunctionCall(scriptExecutionContext, callType, callData);
JSValue thisValue = handleEventFunction == jsFunction ? toJS(exec, globalObject, event->currentTarget()) : jsFunction;
NakedPtr<JSC::Exception> exception;
JSValue retval = scriptExecutionContext->isDocument()
? JSMainThreadExecState::profiledCall(exec, JSC::ProfilingReason::Other, handleEventFunction, callType, callData, thisValue, args, exception)
: JSC::profiledCall(exec, JSC::ProfilingReason::Other, handleEventFunction, callType, callData, thisValue, args, exception);
InspectorInstrumentation::didCallFunction(cookie, scriptExecutionContext);
globalObject->setCurrentEvent(savedEvent);
if (is<WorkerGlobalScope>(*scriptExecutionContext)) {
auto scriptController = downcast<WorkerGlobalScope>(*scriptExecutionContext).script();
bool terminatorCausedException = (scope.exception() && isTerminatedExecutionException(scope.exception()));
if (terminatorCausedException || scriptController->isTerminatingExecution())
scriptController->forbidExecution();
}
if (exception) {
event->target()->uncaughtExceptionInEventHandler();
reportException(exec, exception);
} else {
if (!retval.isUndefinedOrNull() && is<BeforeUnloadEvent>(*event))
downcast<BeforeUnloadEvent>(*event).setReturnValue(retval.toWTFString(exec));
if (m_isAttribute) {
if (retval.isFalse())
event->preventDefault();
}
}
}
}
static String valueToStringWithUndefinedOrNullCheck(ExecState* exec, JSValue value)
{
if (value.isUndefinedOrNull())
return String();
return value.toWTFString(exec);
}
static String valueOrDefaultLabelString(ExecState* exec, JSValue value)
{
if (value.isUndefined())
return "default"_s;
return value.toWTFString(exec);
}
void IntlDateTimeFormat::initializeDateTimeFormat(ExecState& exec, JSValue locales, JSValue originalOptions)
{
VM& vm = exec.vm();
auto scope = DECLARE_THROW_SCOPE(vm);
// 12.1.1 InitializeDateTimeFormat (dateTimeFormat, locales, options) (ECMA-402 2.0)
// 1. If dateTimeFormat.[[initializedIntlObject]] is true, throw a TypeError exception.
// 2. Set dateTimeFormat.[[initializedIntlObject]] to true.
// 3. Let requestedLocales be CanonicalizeLocaleList(locales).
Vector<String> requestedLocales = canonicalizeLocaleList(exec, locales);
// 4. ReturnIfAbrupt(requestedLocales),
RETURN_IF_EXCEPTION(scope, void());
// 5. Let options be ToDateTimeOptions(options, "any", "date").
JSObject* options = toDateTimeOptionsAnyDate(exec, originalOptions);
// 6. ReturnIfAbrupt(options).
RETURN_IF_EXCEPTION(scope, void());
// 7. Let opt be a new Record.
HashMap<String, String> localeOpt;
// 8. Let matcher be GetOption(options, "localeMatcher", "string", «"lookup", "best fit"», "best fit").
String localeMatcher = intlStringOption(exec, options, vm.propertyNames->localeMatcher, { "lookup", "best fit" }, "localeMatcher must be either \"lookup\" or \"best fit\"", "best fit");
// 9. ReturnIfAbrupt(matcher).
RETURN_IF_EXCEPTION(scope, void());
// 10. Set opt.[[localeMatcher]] to matcher.
localeOpt.add(vm.propertyNames->localeMatcher.string(), localeMatcher);
// 11. Let localeData be the value of %DateTimeFormat%.[[localeData]].
// 12. Let r be ResolveLocale( %DateTimeFormat%.[[availableLocales]], requestedLocales, opt, %DateTimeFormat%.[[relevantExtensionKeys]], localeData).
const HashSet<String> availableLocales = exec.jsCallee()->globalObject()->intlDateTimeFormatAvailableLocales();
HashMap<String, String> resolved = resolveLocale(exec, availableLocales, requestedLocales, localeOpt, relevantExtensionKeys, WTF_ARRAY_LENGTH(relevantExtensionKeys), localeData);
// 13. Set dateTimeFormat.[[locale]] to the value of r.[[locale]].
m_locale = resolved.get(vm.propertyNames->locale.string());
if (m_locale.isEmpty()) {
throwTypeError(&exec, scope, ASCIILiteral("failed to initialize DateTimeFormat due to invalid locale"));
return;
}
// 14. Set dateTimeFormat.[[calendar]] to the value of r.[[ca]].
m_calendar = resolved.get(ASCIILiteral("ca"));
// Switch to preferred aliases.
if (m_calendar == "gregory")
m_calendar = ASCIILiteral("gregorian");
else if (m_calendar == "islamicc")
m_calendar = ASCIILiteral("islamic-civil");
else if (m_calendar == "ethioaa")
m_calendar = ASCIILiteral("ethiopic-amete-alem");
// 15. Set dateTimeFormat.[[numberingSystem]] to the value of r.[[nu]].
m_numberingSystem = resolved.get(ASCIILiteral("nu"));
// 16. Let dataLocale be the value of r.[[dataLocale]].
String dataLocale = resolved.get(ASCIILiteral("dataLocale"));
// 17. Let tz be Get(options, "timeZone").
JSValue tzValue = options->get(&exec, vm.propertyNames->timeZone);
// 18. ReturnIfAbrupt(tz).
RETURN_IF_EXCEPTION(scope, void());
// 19. If tz is not undefined, then
String tz;
if (!tzValue.isUndefined()) {
// a. Let tz be ToString(tz).
String originalTz = tzValue.toWTFString(&exec);
// b. ReturnIfAbrupt(tz).
RETURN_IF_EXCEPTION(scope, void());
// c. If the result of IsValidTimeZoneName(tz) is false, then i. Throw a RangeError exception.
// d. Let tz be CanonicalizeTimeZoneName(tz).
tz = canonicalizeTimeZoneName(originalTz);
if (tz.isNull()) {
throwRangeError(&exec, scope, String::format("invalid time zone: %s", originalTz.utf8().data()));
return;
}
} else {
// 20. Else,
// a. Let tz be DefaultTimeZone().
tz = defaultTimeZone();
}
// 21. Set dateTimeFormat.[[timeZone]] to tz.
m_timeZone = tz;
// 22. Let opt be a new Record.
// Rather than building a record, build the skeleton pattern.
StringBuilder skeletonBuilder;
// 23. For each row of Table 3, except the header row, do:
// a. Let prop be the name given in the Property column of the row.
// b. Let value be GetOption(options, prop, "string", «the strings given in the Values column of the row», undefined).
// c. ReturnIfAbrupt(value).
// d. Set opt.[[<prop>]] to value.
auto narrowShortLong = { "narrow", "short", "long" };
auto twoDigitNumeric = { "2-digit", "numeric" };
auto twoDigitNumericNarrowShortLong = { "2-digit", "numeric", "narrow", "short", "long" };
auto shortLong = { "short", "long" };
String weekday = intlStringOption(exec, options, vm.propertyNames->weekday, narrowShortLong, "weekday must be \"narrow\", \"short\", or \"long\"", nullptr);
RETURN_IF_EXCEPTION(scope, void());
if (!weekday.isNull()) {
if (weekday == "narrow")
skeletonBuilder.appendLiteral("EEEEE");
else if (weekday == "short")
skeletonBuilder.appendLiteral("EEE");
else if (weekday == "long")
skeletonBuilder.appendLiteral("EEEE");
}
String era = intlStringOption(exec, options, vm.propertyNames->era, narrowShortLong, "era must be \"narrow\", \"short\", or \"long\"", nullptr);
RETURN_IF_EXCEPTION(scope, void());
if (!era.isNull()) {
if (era == "narrow")
skeletonBuilder.appendLiteral("GGGGG");
else if (era == "short")
skeletonBuilder.appendLiteral("GGG");
else if (era == "long")
skeletonBuilder.appendLiteral("GGGG");
}
String year = intlStringOption(exec, options, vm.propertyNames->year, twoDigitNumeric, "year must be \"2-digit\" or \"numeric\"", nullptr);
RETURN_IF_EXCEPTION(scope, void());
if (!year.isNull()) {
if (year == "2-digit")
skeletonBuilder.appendLiteral("yy");
else if (year == "numeric")
skeletonBuilder.append('y');
}
String month = intlStringOption(exec, options, vm.propertyNames->month, twoDigitNumericNarrowShortLong, "month must be \"2-digit\", \"numeric\", \"narrow\", \"short\", or \"long\"", nullptr);
RETURN_IF_EXCEPTION(scope, void());
if (!month.isNull()) {
if (month == "2-digit")
skeletonBuilder.appendLiteral("MM");
else if (month == "numeric")
skeletonBuilder.append('M');
else if (month == "narrow")
skeletonBuilder.appendLiteral("MMMMM");
else if (month == "short")
skeletonBuilder.appendLiteral("MMM");
else if (month == "long")
skeletonBuilder.appendLiteral("MMMM");
}
String day = intlStringOption(exec, options, vm.propertyNames->day, twoDigitNumeric, "day must be \"2-digit\" or \"numeric\"", nullptr);
RETURN_IF_EXCEPTION(scope, void());
if (!day.isNull()) {
if (day == "2-digit")
skeletonBuilder.appendLiteral("dd");
else if (day == "numeric")
skeletonBuilder.append('d');
}
String hour = intlStringOption(exec, options, vm.propertyNames->hour, twoDigitNumeric, "hour must be \"2-digit\" or \"numeric\"", nullptr);
RETURN_IF_EXCEPTION(scope, void());
// We need hour12 to make the hour skeleton pattern decision, so do this early.
// 32. Let hr12 be GetOption(options, "hour12", "boolean", undefined, undefined).
bool isHour12Undefined;
bool hr12 = intlBooleanOption(exec, options, vm.propertyNames->hour12, isHour12Undefined);
// 33. ReturnIfAbrupt(hr12).
RETURN_IF_EXCEPTION(scope, void());
if (!hour.isNull()) {
if (isHour12Undefined) {
if (hour == "2-digit")
skeletonBuilder.appendLiteral("jj");
else if (hour == "numeric")
skeletonBuilder.append('j');
} else if (hr12) {
if (hour == "2-digit")
skeletonBuilder.appendLiteral("hh");
else if (hour == "numeric")
skeletonBuilder.append('h');
} else {
if (hour == "2-digit")
skeletonBuilder.appendLiteral("HH");
else if (hour == "numeric")
skeletonBuilder.append('H');
}
}
String minute = intlStringOption(exec, options, vm.propertyNames->minute, twoDigitNumeric, "minute must be \"2-digit\" or \"numeric\"", nullptr);
RETURN_IF_EXCEPTION(scope, void());
if (!minute.isNull()) {
if (minute == "2-digit")
skeletonBuilder.appendLiteral("mm");
else if (minute == "numeric")
skeletonBuilder.append('m');
}
String second = intlStringOption(exec, options, vm.propertyNames->second, twoDigitNumeric, "second must be \"2-digit\" or \"numeric\"", nullptr);
RETURN_IF_EXCEPTION(scope, void());
if (!second.isNull()) {
if (second == "2-digit")
skeletonBuilder.appendLiteral("ss");
else if (second == "numeric")
skeletonBuilder.append('s');
}
String timeZoneName = intlStringOption(exec, options, vm.propertyNames->timeZoneName, shortLong, "timeZoneName must be \"short\" or \"long\"", nullptr);
RETURN_IF_EXCEPTION(scope, void());
if (!timeZoneName.isNull()) {
if (timeZoneName == "short")
skeletonBuilder.append('z');
else if (timeZoneName == "long")
skeletonBuilder.appendLiteral("zzzz");
}
// 24. Let dataLocaleData be Get(localeData, dataLocale).
// 25. Let formats be Get(dataLocaleData, "formats").
// 26. Let matcher be GetOption(options, "formatMatcher", "string", «"basic", "best fit"», "best fit").
intlStringOption(exec, options, vm.propertyNames->formatMatcher, { "basic", "best fit" }, "formatMatcher must be either \"basic\" or \"best fit\"", "best fit");
// 27. ReturnIfAbrupt(matcher).
RETURN_IF_EXCEPTION(scope, void());
// Always use ICU date format generator, rather than our own pattern list and matcher.
// Covers steps 28-36.
UErrorCode status = U_ZERO_ERROR;
UDateTimePatternGenerator* generator = udatpg_open(dataLocale.utf8().data(), &status);
if (U_FAILURE(status)) {
throwTypeError(&exec, scope, ASCIILiteral("failed to initialize DateTimeFormat"));
return;
}
String skeleton = skeletonBuilder.toString();
StringView skeletonView(skeleton);
Vector<UChar, 32> patternBuffer(32);
status = U_ZERO_ERROR;
auto patternLength = udatpg_getBestPattern(generator, skeletonView.upconvertedCharacters(), skeletonView.length(), patternBuffer.data(), patternBuffer.size(), &status);
if (status == U_BUFFER_OVERFLOW_ERROR) {
status = U_ZERO_ERROR;
patternBuffer.grow(patternLength);
udatpg_getBestPattern(generator, skeletonView.upconvertedCharacters(), skeletonView.length(), patternBuffer.data(), patternLength, &status);
}
udatpg_close(generator);
if (U_FAILURE(status)) {
throwTypeError(&exec, scope, ASCIILiteral("failed to initialize DateTimeFormat"));
return;
}
StringView pattern(patternBuffer.data(), patternLength);
setFormatsFromPattern(pattern);
status = U_ZERO_ERROR;
StringView timeZoneView(m_timeZone);
m_dateFormat = std::unique_ptr<UDateFormat, UDateFormatDeleter>(udat_open(UDAT_PATTERN, UDAT_PATTERN, m_locale.utf8().data(), timeZoneView.upconvertedCharacters(), timeZoneView.length(), pattern.upconvertedCharacters(), pattern.length(), &status));
if (U_FAILURE(status)) {
throwTypeError(&exec, scope, ASCIILiteral("failed to initialize DateTimeFormat"));
return;
}
// 37. Set dateTimeFormat.[[boundFormat]] to undefined.
// Already undefined.
// 38. Set dateTimeFormat.[[initializedDateTimeFormat]] to true.
m_initializedDateTimeFormat = true;
// 39. Return dateTimeFormat.
}