JSValue iteratorNext(ExecState* exec, IterationRecord iterationRecord, JSValue argument)
{
VM& vm = exec->vm();
auto scope = DECLARE_THROW_SCOPE(vm);
JSValue iterator = iterationRecord.iterator;
JSValue nextFunction = iterationRecord.nextMethod;
CallData nextFunctionCallData;
CallType nextFunctionCallType = getCallData(vm, nextFunction, nextFunctionCallData);
if (nextFunctionCallType == CallType::None)
return throwTypeError(exec, scope);
MarkedArgumentBuffer nextFunctionArguments;
if (!argument.isEmpty())
nextFunctionArguments.append(argument);
ASSERT(!nextFunctionArguments.hasOverflowed());
JSValue result = call(exec, nextFunction, nextFunctionCallType, nextFunctionCallData, iterator, nextFunctionArguments);
RETURN_IF_EXCEPTION(scope, JSValue());
if (!result.isObject())
return throwTypeError(exec, scope, "Iterator result interface is not an object."_s);
return result;
}
SpeculatedType speculationFromValue(JSValue value)
{
if (value.isEmpty())
return SpecEmpty;
if (value.isInt32())
return SpecInt32;
if (value.isDouble()) {
double number = value.asNumber();
if (number == number) {
int64_t asInt64 = static_cast<int64_t>(number);
if (asInt64 == number && (asInt64 || !std::signbit(number))
&& asInt64 < (static_cast<int64_t>(1) << 47)
&& asInt64 >= -(static_cast<int64_t>(1) << 47)) {
return SpecInt48AsDouble;
}
return SpecNonIntAsDouble;
}
return SpecDoubleNaN;
}
if (value.isCell())
return speculationFromCell(value.asCell());
if (value.isBoolean())
return SpecBoolean;
ASSERT(value.isUndefinedOrNull());
return SpecOther;
}
void setJSTestInterfaceConstructorSupplementalStaticAttr(ExecState* exec, JSObject*, JSValue value)
{
UNUSED_PARAM(exec);
const String& nativeValue(value.isEmpty() ? String() : value.toString(exec)->value(exec));
if (exec->hadException())
return;
TestSupplemental::setSupplementalStaticAttr(nativeValue);
}
void setJSTestInterfaceConstructorImplementsStaticAttr(ExecState* exec, JSObject* /* baseObject */, EncodedJSValue, EncodedJSValue encodedValue)
{
JSValue value = JSValue::decode(encodedValue);
UNUSED_PARAM(exec);
const String& nativeValue(value.isEmpty() ? String() : value.toString(exec)->value(exec));
if (exec->hadException())
return;
TestInterface::setImplementsStaticAttr(nativeValue);
}
void setJSTestInterfaceImplementsStr2(ExecState* exec, JSObject* thisObject, JSValue value)
{
UNUSED_PARAM(exec);
JSTestInterface* castedThis = jsCast<JSTestInterface*>(thisObject);
TestInterface& impl = castedThis->impl();
const String& nativeValue(value.isEmpty() ? String() : value.toString(exec)->value(exec));
if (exec->hadException())
return;
impl.setImplementsStr2(nativeValue);
}
void setJSTestTypedefsStringAttrWithGetterException(ExecState* exec, JSObject* thisObject, JSValue value)
{
UNUSED_PARAM(exec);
JSTestTypedefs* castedThis = jsCast<JSTestTypedefs*>(thisObject);
TestTypedefs& impl = castedThis->impl();
const String& nativeValue(value.isEmpty() ? String() : value.toString(exec)->value(exec));
if (exec->hadException())
return;
impl.setStringAttrWithGetterException(nativeValue);
}
void setJSTestInterfaceSupplementalStr2(ExecState* exec, JSObject* thisObject, JSValue value)
{
UNUSED_PARAM(exec);
JSTestInterface* castedThis = jsCast<JSTestInterface*>(thisObject);
TestInterface* impl = static_cast<TestInterface*>(castedThis->impl());
const String& nativeValue(value.isEmpty() ? String() : value.toString(exec)->value(exec));
if (exec->hadException())
return;
TestSupplemental::setSupplementalStr2(impl, nativeValue);
}
void JSTextTrack::setLanguage(ExecState* exec, JSValue value)
{
UNUSED_PARAM(exec);
#if ENABLE(MEDIA_SOURCE)
const String& nativeValue(value.isEmpty() ? String() : value.toString(exec)->value(exec));
if (exec->hadException())
return;
impl().setLanguage(nativeValue);
#else
UNUSED_PARAM(value);
return;
#endif
}
JSValue JSHistory::state(ExecState *exec) const
{
History* history = static_cast<History*>(impl());
JSValue cachedValue = m_state.get();
if (!cachedValue.isEmpty() && !history->stateChanged())
return cachedValue;
RefPtr<SerializedScriptValue> serialized = history->state();
JSValue result = serialized ? serialized->deserialize(exec, globalObject(), 0) : jsNull();
const_cast<JSHistory*>(this)->m_state.set(exec->vm(), this, result);
return result;
}
void setJSTestTypedefsStringAttrWithGetterException(ExecState* exec, EncodedJSValue thisValue, EncodedJSValue encodedValue)
{
JSValue value = JSValue::decode(encodedValue);
UNUSED_PARAM(exec);
JSTestTypedefs* castedThis = jsDynamicCast<JSTestTypedefs*>(JSValue::decode(thisValue));
if (!castedThis) {
throwVMTypeError(exec);
return;
}
TestTypedefs& impl = castedThis->impl();
const String& nativeValue(value.isEmpty() ? String() : value.toString(exec)->value(exec));
if (exec->hadException())
return;
impl.setStringAttrWithGetterException(nativeValue);
}
void setJSTestInterfaceSupplementalStr2(ExecState* exec, JSObject* /* baseObject */, EncodedJSValue thisValue, EncodedJSValue encodedValue)
{
JSValue value = JSValue::decode(encodedValue);
UNUSED_PARAM(exec);
JSTestInterface* castedThis = jsDynamicCast<JSTestInterface*>(JSValue::decode(thisValue));
if (!castedThis) {
throwVMTypeError(exec);
return;
}
TestInterface& impl = castedThis->impl();
const String& nativeValue(value.isEmpty() ? String() : value.toString(exec)->value(exec));
if (exec->hadException())
return;
TestSupplemental::setSupplementalStr2(&impl, nativeValue);
}
void setJSDOMSettableTokenListValue(ExecState* exec, EncodedJSValue thisValue, EncodedJSValue encodedValue)
{
JSValue value = JSValue::decode(encodedValue);
UNUSED_PARAM(exec);
JSDOMSettableTokenList* castedThis = jsDynamicCast<JSDOMSettableTokenList*>(JSValue::decode(thisValue));
if (!castedThis) {
throwVMTypeError(exec);
return;
}
DOMSettableTokenList& impl = castedThis->impl();
const String& nativeValue(value.isEmpty() ? String() : value.toString(exec)->value(exec));
if (exec->hadException())
return;
impl.setValue(nativeValue);
}
JSValue JSPopStateEvent::state(ExecState* exec) const
{
JSValue cachedValue = m_state.get();
if (!cachedValue.isEmpty()) {
// We cannot use a cached object if we are in a different world than the one it was created in.
if (!cachedValue.isObject() || &worldForDOMObject(cachedValue.getObject()) == ¤tWorld(exec))
return cachedValue;
ASSERT_NOT_REACHED();
}
PopStateEvent& event = impl();
if (!event.state().hasNoValue()) {
// We need to make sure a PopStateEvent does not leak objects in its state property across isolated DOM worlds.
// Ideally, we would check that the worlds have different privileges but that's not possible yet.
JSValue state = event.state().jsValue();
if (state.isObject() && &worldForDOMObject(state.getObject()) != ¤tWorld(exec)) {
if (RefPtr<SerializedScriptValue> serializedValue = event.trySerializeState(exec))
state = serializedValue->deserialize(exec, globalObject(), nullptr);
else
state = jsNull();
}
return cacheState(exec, const_cast<JSPopStateEvent*>(this), state);
}
History* history = event.history();
if (!history || !event.serializedState())
return cacheState(exec, const_cast<JSPopStateEvent*>(this), jsNull());
// There's no cached value from a previous invocation, nor a state value was provided by the
// event, but there is a history object, so first we need to see if the state object has been
// deserialized through the history object already.
// The current history state object might've changed in the meantime, so we need to take care
// of using the correct one, and always share the same deserialization with history.state.
bool isSameState = history->isSameAsCurrentState(event.serializedState().get());
JSValue result;
if (isSameState) {
JSHistory* jsHistory = jsCast<JSHistory*>(toJS(exec, globalObject(), history).asCell());
result = jsHistory->state(exec);
} else
result = event.serializedState()->deserialize(exec, globalObject(), 0);
return cacheState(exec, const_cast<JSPopStateEvent*>(this), result);
}
void setJSAudioNodeChannelInterpretation(ExecState* exec, EncodedJSValue thisValue, EncodedJSValue encodedValue)
{
JSValue value = JSValue::decode(encodedValue);
UNUSED_PARAM(exec);
JSAudioNode* castedThis = jsDynamicCast<JSAudioNode*>(JSValue::decode(thisValue));
if (!castedThis) {
throwVMTypeError(exec);
return;
}
AudioNode& impl = castedThis->impl();
ExceptionCode ec = 0;
const String& nativeValue(value.isEmpty() ? String() : value.toString(exec)->value(exec));
if (exec->hadException())
return;
impl.setChannelInterpretation(nativeValue, ec);
setDOMException(exec, ec);
}
void setJSTestTypedefsStringAttrWithGetterException(ExecState* exec, JSObject* baseObject, EncodedJSValue thisValue, EncodedJSValue encodedValue)
{
JSValue value = JSValue::decode(encodedValue);
UNUSED_PARAM(baseObject);
JSTestTypedefs* castedThis = jsDynamicCast<JSTestTypedefs*>(JSValue::decode(thisValue));
if (UNLIKELY(!castedThis)) {
if (jsDynamicCast<JSTestTypedefsPrototype*>(JSValue::decode(thisValue)))
reportDeprecatedSetterError(*exec, "TestTypedefs", "stringAttrWithGetterException");
else
throwSetterTypeError(*exec, "TestTypedefs", "stringAttrWithGetterException");
return;
}
auto& impl = castedThis->impl();
const String& nativeValue(value.isEmpty() ? String() : value.toString(exec)->value(exec));
if (UNLIKELY(exec->hadException()))
return;
impl.setStringAttrWithGetterException(nativeValue);
}
void setJSTestNondeterministicNondeterministicExceptionAttr(ExecState* exec, JSObject* baseObject, EncodedJSValue thisValue, EncodedJSValue encodedValue)
{
JSValue value = JSValue::decode(encodedValue);
UNUSED_PARAM(baseObject);
JSTestNondeterministic* castedThis = jsDynamicCast<JSTestNondeterministic*>(JSValue::decode(thisValue));
if (UNLIKELY(!castedThis)) {
if (jsDynamicCast<JSTestNondeterministicPrototype*>(JSValue::decode(thisValue)))
reportDeprecatedSetterError(*exec, "TestNondeterministic", "nondeterministicExceptionAttr");
else
throwSetterTypeError(*exec, "TestNondeterministic", "nondeterministicExceptionAttr");
return;
}
TestNondeterministic& impl = castedThis->impl();
const String& nativeValue(value.isEmpty() ? String() : value.toString(exec)->value(exec));
if (UNLIKELY(exec->hadException()))
return;
impl.setNondeterministicExceptionAttr(nativeValue);
}
void setJSWaveShaperNodeOversample(ExecState* exec, EncodedJSValue thisValue, EncodedJSValue encodedValue)
{
JSValue value = JSValue::decode(encodedValue);
UNUSED_PARAM(exec);
JSWaveShaperNode* castedThis = jsDynamicCast<JSWaveShaperNode*>(JSValue::decode(thisValue));
if (!castedThis) {
throwVMTypeError(exec);
return;
}
WaveShaperNode& impl = castedThis->impl();
ExceptionCode ec = 0;
const String nativeValue(value.isEmpty() ? String() : value.toString(exec)->value(exec));
if (exec->hadException())
return;
if (nativeValue != "none" && nativeValue != "2x" && nativeValue != "4x")
return;
impl.setOversample(nativeValue, ec);
setDOMException(exec, ec);
}
PredictedType predictionFromValue(JSValue value)
{
if (value.isEmpty())
return PredictEmpty;
if (value.isInt32())
return PredictInt32;
if (value.isDouble()) {
double number = value.asNumber();
if (number == number)
return PredictDoubleReal;
return PredictDoubleNaN;
}
if (value.isCell())
return predictionFromCell(value.asCell());
if (value.isBoolean())
return PredictBoolean;
ASSERT(value.isUndefinedOrNull());
return PredictOther;
}
SpeculatedType speculationFromValue(JSValue value)
{
if (value.isEmpty())
return SpecEmpty;
if (value.isInt32())
return SpecInt32;
if (value.isDouble()) {
double number = value.asNumber();
if (number != number)
return SpecDoubleNaN;
if (value.isMachineInt())
return SpecInt52AsDouble;
return SpecNonIntAsDouble;
}
if (value.isCell())
return speculationFromCell(value.asCell());
if (value.isBoolean())
return SpecBoolean;
ASSERT(value.isUndefinedOrNull());
return SpecOther;
}
JSValue iteratorNext(ExecState* exec, JSValue iterator, JSValue value)
{
JSValue nextFunction = iterator.get(exec, exec->vm().propertyNames->next);
if (exec->hadException())
return jsUndefined();
CallData nextFunctionCallData;
CallType nextFunctionCallType = getCallData(nextFunction, nextFunctionCallData);
if (nextFunctionCallType == CallType::None)
return throwTypeError(exec);
MarkedArgumentBuffer nextFunctionArguments;
if (!value.isEmpty())
nextFunctionArguments.append(value);
JSValue result = call(exec, nextFunction, nextFunctionCallType, nextFunctionCallData, iterator, nextFunctionArguments);
if (exec->hadException())
return jsUndefined();
if (!result.isObject())
return throwTypeError(exec, ASCIILiteral("Iterator result interface is not an object."));
return result;
}
JSValue iteratorNext(ExecState* exec, JSValue iterator, JSValue value)
{
VM& vm = exec->vm();
auto scope = DECLARE_THROW_SCOPE(vm);
JSValue nextFunction = iterator.get(exec, vm.propertyNames->next);
RETURN_IF_EXCEPTION(scope, JSValue());
CallData nextFunctionCallData;
CallType nextFunctionCallType = getCallData(nextFunction, nextFunctionCallData);
if (nextFunctionCallType == CallType::None)
return throwTypeError(exec, scope);
MarkedArgumentBuffer nextFunctionArguments;
if (!value.isEmpty())
nextFunctionArguments.append(value);
JSValue result = call(exec, nextFunction, nextFunctionCallType, nextFunctionCallData, iterator, nextFunctionArguments);
RETURN_IF_EXCEPTION(scope, JSValue());
if (!result.isObject())
return throwTypeError(exec, scope, ASCIILiteral("Iterator result interface is not an object."));
return result;
}
void setJSTestInterfaceSupplementalStr2(ExecState* exec, JSObject* thisObject, JSValue value)
{
JSTestInterface* castedThis = static_cast<JSTestInterface*>(thisObject);
TestInterface* impl = static_cast<TestInterface*>(castedThis->impl());
TestSupplemental::setSupplementalStr2(impl, ustringToString(value.isEmpty() ? UString() : value.toString(exec)->value(exec)));
}
