String valueToStringWithUndefinedOrNullCheck(ExecState* exec, JSValue value)
{
if (value.isUndefinedOrNull())
return String();
return ustringToString(value.toString(exec)->value(exec));
}
void setJSSVGSwitchElementXmlspace(ExecState* exec, JSObject* thisObject, JSValue value)
{
JSSVGSwitchElement* castedThisObj = static_cast<JSSVGSwitchElement*>(thisObject);
SVGSwitchElement* imp = static_cast<SVGSwitchElement*>(castedThisObj->impl());
imp->setXmlspace(value.toString(exec));
}
void setRegExpConstructorInput(ExecState* exec, JSObject* baseObject, JSValue value)
{
asRegExpConstructor(baseObject)->setInput(exec, value.toString(exec));
}
void setJSSVGTextContentElementXmlspace(ExecState* exec, JSObject* thisObject, JSValue value)
{
SVGTextContentElement* imp = static_cast<SVGTextContentElement*>(static_cast<JSSVGTextContentElement*>(thisObject)->impl());
imp->setXmlspace(value.toString(exec));
}
// ECMA 8.6.2.2
void JSObject::put(ExecState* exec, const Identifier& propertyName, JSValue value, PutPropertySlot& slot)
{
ASSERT(value);
ASSERT(!Heap::heap(value) || Heap::heap(value) == Heap::heap(this));
if (propertyName == exec->propertyNames().underscoreProto) {
// Setting __proto__ to a non-object, non-null value is silently ignored to match Mozilla.
if (!value.isObject() && !value.isNull())
return;
JSValue nextPrototypeValue = value;
while (nextPrototypeValue && nextPrototypeValue.isObject()) {
JSObject* nextPrototype = asObject(nextPrototypeValue)->unwrappedObject();
if (nextPrototype == this) {
throwError(exec, GeneralError, "cyclic __proto__ value");
return;
}
nextPrototypeValue = nextPrototype->prototype();
}
setPrototype(value);
return;
}
// Check if there are any setters or getters in the prototype chain
JSValue prototype;
for (JSObject* obj = this; !obj->structure()->hasGetterSetterProperties(); obj = asObject(prototype)) {
prototype = obj->prototype();
if (prototype.isNull()) {
putDirectInternal(exec->globalData(), propertyName, value, 0, true, slot);
return;
}
}
unsigned attributes;
JSCell* specificValue;
if ((m_structure->get(propertyName, attributes, specificValue) != WTF::notFound) && attributes & ReadOnly)
return;
for (JSObject* obj = this; ; obj = asObject(prototype)) {
if (JSValue gs = obj->getDirect(propertyName)) {
if (gs.isGetterSetter()) {
JSObject* setterFunc = asGetterSetter(gs)->setter();
if (!setterFunc) {
throwSetterError(exec);
return;
}
CallData callData;
CallType callType = setterFunc->getCallData(callData);
MarkedArgumentBuffer args;
args.append(value);
call(exec, setterFunc, callType, callData, this, args);
return;
}
// If there's an existing property on the object or one of its
// prototypes it should be replaced, so break here.
break;
}
prototype = obj->prototype();
if (prototype.isNull())
break;
}
putDirectInternal(exec->globalData(), propertyName, value, 0, true, slot);
return;
}
void JSDictionary::convertValue(ExecState* exec, JSValue value, String& result)
{
result = ustringToString(value.toString(exec)->value(exec));
}
static PassRefPtr<DeviceMotionData::RotationRate> readRotationRateArgument(JSValue value, ExecState* exec)
{
if (value.isUndefinedOrNull())
return 0;
// Given the above test, this will always yield an object.
JSObject* object = value.toObject(exec);
JSValue alphaValue = object->get(exec, Identifier(exec, "alpha"));
if (exec->hadException())
return 0;
bool canProvideAlpha = !alphaValue.isUndefinedOrNull();
double alpha = alphaValue.toNumber(exec);
if (exec->hadException())
return 0;
JSValue betaValue = object->get(exec, Identifier(exec, "beta"));
if (exec->hadException())
return 0;
bool canProvideBeta = !betaValue.isUndefinedOrNull();
double beta = betaValue.toNumber(exec);
if (exec->hadException())
return 0;
JSValue gammaValue = object->get(exec, Identifier(exec, "gamma"));
if (exec->hadException())
return 0;
bool canProvideGamma = !gammaValue.isUndefinedOrNull();
double gamma = gammaValue.toNumber(exec);
if (exec->hadException())
return 0;
if (!canProvideAlpha && !canProvideBeta && !canProvideGamma)
return 0;
return DeviceMotionData::RotationRate::create(canProvideAlpha, alpha, canProvideBeta, beta, canProvideGamma, gamma);
}
void setJSHTMLMediaElementWebkitPreservesPitch(ExecState* exec, JSObject* thisObject, JSValue value)
{
JSHTMLMediaElement* castedThis = static_cast<JSHTMLMediaElement*>(thisObject);
HTMLMediaElement* imp = static_cast<HTMLMediaElement*>(castedThis->impl());
imp->setWebkitPreservesPitch(value.toBoolean(exec));
}
void setJSHTMLMediaElementWebkitClosedCaptionsVisible(ExecState* exec, JSObject* thisObject, JSValue value)
{
JSHTMLMediaElement* castedThis = static_cast<JSHTMLMediaElement*>(thisObject);
HTMLMediaElement* imp = static_cast<HTMLMediaElement*>(castedThis->impl());
imp->setWebkitClosedCaptionsVisible(value.toBoolean(exec));
}
void setJSHTMLMediaElementLoop(ExecState* exec, JSObject* thisObject, JSValue value)
{
JSHTMLMediaElement* castedThis = static_cast<JSHTMLMediaElement*>(thisObject);
HTMLMediaElement* imp = static_cast<HTMLMediaElement*>(castedThis->impl());
imp->setBooleanAttribute(WebCore::HTMLNames::loopAttr, value.toBoolean(exec));
}
void setJSHTMLMediaElementControls(ExecState* exec, JSObject* thisObject, JSValue value)
{
JSHTMLMediaElement* castedThis = static_cast<JSHTMLMediaElement*>(thisObject);
HTMLMediaElement* imp = static_cast<HTMLMediaElement*>(castedThis->impl());
imp->setControls(value.toBoolean(exec));
}
void setJSHTMLMediaElementPlaybackRate(ExecState* exec, JSObject* thisObject, JSValue value)
{
JSHTMLMediaElement* castedThis = static_cast<JSHTMLMediaElement*>(thisObject);
HTMLMediaElement* imp = static_cast<HTMLMediaElement*>(castedThis->impl());
imp->setPlaybackRate(value.toFloat(exec));
}
void setJSHTMLMediaElementPreload(ExecState* exec, JSObject* thisObject, JSValue value)
{
JSHTMLMediaElement* castedThis = static_cast<JSHTMLMediaElement*>(thisObject);
HTMLMediaElement* imp = static_cast<HTMLMediaElement*>(castedThis->impl());
imp->setPreload(ustringToString(value.toString(exec)));
}
void WASMModuleParser::parseGlobalSection(ExecState* exec)
{
uint32_t numberOfInternalI32GlobalVariables;
uint32_t numberOfInternalF32GlobalVariables;
uint32_t numberOfInternalF64GlobalVariables;
uint32_t numberOfImportedI32GlobalVariables;
uint32_t numberOfImportedF32GlobalVariables;
uint32_t numberOfImportedF64GlobalVariables;
READ_COMPACT_UINT32_OR_FAIL(numberOfInternalI32GlobalVariables, "Cannot read the number of internal int32 global variables.");
READ_COMPACT_UINT32_OR_FAIL(numberOfInternalF32GlobalVariables, "Cannot read the number of internal float32 global variables.");
READ_COMPACT_UINT32_OR_FAIL(numberOfInternalF64GlobalVariables, "Cannot read the number of internal float64 global variables.");
READ_COMPACT_UINT32_OR_FAIL(numberOfImportedI32GlobalVariables, "Cannot read the number of imported int32 global variables.");
READ_COMPACT_UINT32_OR_FAIL(numberOfImportedF32GlobalVariables, "Cannot read the number of imported float32 global variables.");
READ_COMPACT_UINT32_OR_FAIL(numberOfImportedF64GlobalVariables, "Cannot read the number of imported float64 global variables.");
uint32_t numberOfGlobalVariables = numberOfInternalI32GlobalVariables + numberOfInternalF32GlobalVariables + numberOfInternalF64GlobalVariables +
numberOfImportedI32GlobalVariables + numberOfImportedF32GlobalVariables + numberOfImportedF64GlobalVariables;
Vector<WASMType>& globalVariableTypes = m_module->globalVariableTypes();
globalVariableTypes.reserveInitialCapacity(numberOfGlobalVariables);
Vector<JSWASMModule::GlobalVariable>& globalVariables = m_module->globalVariables();
globalVariables.reserveInitialCapacity(numberOfGlobalVariables);
for (uint32_t i = 0; i < numberOfInternalI32GlobalVariables; ++i) {
globalVariableTypes.uncheckedAppend(WASMType::I32);
globalVariables.uncheckedAppend(JSWASMModule::GlobalVariable(0));
}
for (uint32_t i = 0; i < numberOfInternalF32GlobalVariables; ++i) {
globalVariableTypes.uncheckedAppend(WASMType::F32);
globalVariables.uncheckedAppend(JSWASMModule::GlobalVariable(0.0f));
}
for (uint32_t i = 0; i < numberOfInternalF64GlobalVariables; ++i) {
globalVariableTypes.uncheckedAppend(WASMType::F64);
globalVariables.uncheckedAppend(JSWASMModule::GlobalVariable(0.0));
}
for (uint32_t i = 0; i < numberOfImportedI32GlobalVariables; ++i) {
String importName;
READ_STRING_OR_FAIL(importName, "Cannot read the import name of an int32 global variable.");
globalVariableTypes.uncheckedAppend(WASMType::I32);
JSValue value;
getImportedValue(exec, importName, value);
PROPAGATE_ERROR();
FAIL_IF_FALSE(value.isPrimitive() && !value.isSymbol(), "\"" + importName + "\" is not a primitive or is a Symbol.");
globalVariables.uncheckedAppend(JSWASMModule::GlobalVariable(value.toInt32(exec)));
}
for (uint32_t i = 0; i < numberOfImportedF32GlobalVariables; ++i) {
String importName;
READ_STRING_OR_FAIL(importName, "Cannot read the import name of a float32 global variable.");
globalVariableTypes.uncheckedAppend(WASMType::F32);
JSValue value;
getImportedValue(exec, importName, value);
PROPAGATE_ERROR();
FAIL_IF_FALSE(value.isPrimitive() && !value.isSymbol(), "\"" + importName + "\" is not a primitive or is a Symbol.");
globalVariables.uncheckedAppend(JSWASMModule::GlobalVariable(static_cast<float>(value.toNumber(exec))));
}
for (uint32_t i = 0; i < numberOfImportedF64GlobalVariables; ++i) {
String importName;
READ_STRING_OR_FAIL(importName, "Cannot read the import name of a float64 global variable.");
globalVariableTypes.uncheckedAppend(WASMType::F64);
JSValue value;
getImportedValue(exec, importName, value);
PROPAGATE_ERROR();
FAIL_IF_FALSE(value.isPrimitive() && !value.isSymbol(), "\"" + importName + "\" is not a primitive or is a Symbol.");
globalVariables.uncheckedAppend(JSWASMModule::GlobalVariable(value.toNumber(exec)));
}
}
void JSDictionary::convertValue(ExecState* exec, JSValue value, unsigned long long& result)
{
double d = value.toNumber(exec);
doubleToInteger(d, result);
}
EncodedJSValue JSC_HOST_CALL objectProtoFuncValueOf(ExecState* exec)
{
JSValue thisValue = exec->hostThisValue();
return JSValue::encode(thisValue.toObject(exec));
}
void JSDictionary::convertValue(ExecState* exec, JSValue value, double& result)
{
result = value.toNumber(exec);
}
EncodedJSValue JSC_HOST_CALL objectProtoFuncPropertyIsEnumerable(ExecState* exec)
{
JSValue thisValue = exec->hostThisValue();
return JSValue::encode(jsBoolean(thisValue.toObject(exec)->propertyIsEnumerable(exec, Identifier(exec, exec->argument(0).toString(exec)->value(exec)))));
}
static PassRefPtr<DeviceMotionData::Acceleration> readAccelerationArgument(JSValue value, ExecState* exec)
{
if (value.isUndefinedOrNull())
return 0;
// Given the above test, this will always yield an object.
JSObject* object = value.toObject(exec);
JSValue xValue = object->get(exec, Identifier(exec, "x"));
if (exec->hadException())
return 0;
bool canProvideX = !xValue.isUndefinedOrNull();
double x = xValue.toNumber(exec);
if (exec->hadException())
return 0;
JSValue yValue = object->get(exec, Identifier(exec, "y"));
if (exec->hadException())
return 0;
bool canProvideY = !yValue.isUndefinedOrNull();
double y = yValue.toNumber(exec);
if (exec->hadException())
return 0;
JSValue zValue = object->get(exec, Identifier(exec, "z"));
if (exec->hadException())
return 0;
bool canProvideZ = !zValue.isUndefinedOrNull();
double z = zValue.toNumber(exec);
if (exec->hadException())
return 0;
if (!canProvideX && !canProvideY && !canProvideZ)
return 0;
return DeviceMotionData::Acceleration::create(canProvideX, x, canProvideY, y, canProvideZ, z);
}
void setJSHTMLFrameElementNoResize(ExecState* exec, JSObject* thisObject, JSValue value)
{
HTMLFrameElement* imp = static_cast<HTMLFrameElement*>(static_cast<JSHTMLFrameElement*>(thisObject)->impl());
imp->setNoResize(value.toBoolean(exec));
}
void JavaField::setValueToInstance(ExecState* exec, const Instance* i, JSValue aValue) const
{
const JavaInstance* instance = static_cast<const JavaInstance*>(i);
jvalue javaValue = convertValueToJValue(exec, i->rootObject(), aValue, m_JNIType, type());
LOG(LiveConnect, "JavaField::setValueToInstance setting value %s to %s", UString(name()).utf8().data(), aValue.toString(exec).ascii().data());
switch (m_JNIType) {
case array_type:
case object_type:
{
dispatchSetValueToInstance(exec, instance, javaValue, "set", "(Ljava/lang/Object;Ljava/lang/Object;)V");
}
break;
case boolean_type:
{
dispatchSetValueToInstance(exec, instance, javaValue, "setBoolean", "(Ljava/lang/Object;Z)V");
}
break;
case byte_type:
{
dispatchSetValueToInstance(exec, instance, javaValue, "setByte", "(Ljava/lang/Object;B)V");
}
break;
case char_type:
{
dispatchSetValueToInstance(exec, instance, javaValue, "setChar", "(Ljava/lang/Object;C)V");
}
break;
case short_type:
{
dispatchSetValueToInstance(exec, instance, javaValue, "setShort", "(Ljava/lang/Object;S)V");
}
break;
case int_type:
{
dispatchSetValueToInstance(exec, instance, javaValue, "setInt", "(Ljava/lang/Object;I)V");
}
break;
case long_type:
{
dispatchSetValueToInstance(exec, instance, javaValue, "setLong", "(Ljava/lang/Object;J)V");
}
break;
case float_type:
{
dispatchSetValueToInstance(exec, instance, javaValue, "setFloat", "(Ljava/lang/Object;F)V");
}
break;
case double_type:
{
dispatchSetValueToInstance(exec, instance, javaValue, "setDouble", "(Ljava/lang/Object;D)V");
}
break;
default:
break;
}
}
void JSDictionary::convertValue(ExecState* exec, JSValue value, bool& result)
{
result = value.toBoolean(exec);
}
bool JSObject::getPrimitiveNumber(ExecState* exec, double& number, JSValue& result)
{
result = defaultValue(exec, PreferNumber);
number = result.toNumber(exec);
return !result.isString();
}
void JSDictionary::convertValue(ExecState* exec, JSValue value, int& result)
{
result = value.toInt32(exec);
}
void setJSWebKitFlagsExclusive(ExecState* exec, JSObject* thisObject, JSValue value)
{
JSWebKitFlags* castedThis = static_cast<JSWebKitFlags*>(thisObject);
WebKitFlags* imp = static_cast<WebKitFlags*>(castedThis->impl());
imp->setExclusive(value.toBoolean(exec));
}
void JSDictionary::convertValue(ExecState* exec, JSValue value, unsigned& result)
{
result = value.toUInt32(exec);
}
void JSEventListener::handleEvent(ScriptExecutionContext* scriptExecutionContext, Event* event)
{
ASSERT(scriptExecutionContext);
if (!scriptExecutionContext)
return;
JSLock lock(SilenceAssertionsOnly);
JSObject* jsFunction = this->jsFunction(scriptExecutionContext);
if (!jsFunction)
return;
JSDOMGlobalObject* globalObject = toJSDOMGlobalObject(scriptExecutionContext, m_isolatedWorld.get());
if (!globalObject)
return;
if (scriptExecutionContext->isDocument()) {
JSDOMWindow* window = static_cast<JSDOMWindow*>(globalObject);
Frame* frame = window->impl()->frame();
if (!frame)
return;
// The window must still be active in its frame. See <https://bugs.webkit.org/show_bug.cgi?id=21921>.
// FIXME: A better fix for this may be to change DOMWindow::frame() to not return a frame the detached window used to be in.
if (frame->domWindow() != window->impl())
return;
// FIXME: Is this check needed for other contexts?
ScriptController* script = frame->script();
if (!script->canExecuteScripts() || script->isPaused())
return;
}
ExecState* exec = globalObject->globalExec();
JSValue handleEventFunction = jsFunction->get(exec, Identifier(exec, "handleEvent"));
CallData callData;
CallType callType = handleEventFunction.getCallData(callData);
if (callType == CallTypeNone) {
handleEventFunction = JSValue();
callType = jsFunction->getCallData(callData);
}
if (callType != CallTypeNone) {
ref();
MarkedArgumentBuffer args;
args.append(toJS(exec, globalObject, event));
Event* savedEvent = globalObject->currentEvent();
globalObject->setCurrentEvent(event);
JSGlobalData* globalData = globalObject->globalData();
DynamicGlobalObjectScope globalObjectScope(exec, globalData->dynamicGlobalObject ? globalData->dynamicGlobalObject : globalObject);
globalData->timeoutChecker.start();
JSValue retval = handleEventFunction
? JSC::call(exec, handleEventFunction, callType, callData, jsFunction, args)
: JSC::call(exec, jsFunction, callType, callData, toJS(exec, globalObject, event->currentTarget()), args);
globalData->timeoutChecker.stop();
globalObject->setCurrentEvent(savedEvent);
if (exec->hadException())
reportCurrentException(exec);
else {
if (!retval.isUndefinedOrNull() && event->storesResultAsString())
event->storeResult(retval.toString(exec));
if (m_isAttribute) {
bool retvalbool;
if (retval.getBoolean(retvalbool) && !retvalbool)
event->preventDefault();
}
}
if (scriptExecutionContext->isDocument())
Document::updateStyleForAllDocuments();
deref();
}
}
void JSDictionary::convertValue(ExecState* exec, JSValue value, unsigned short& result)
{
result = static_cast<unsigned short>(value.toUInt32(exec));
}
void setRegExpConstructorMultiline(ExecState* exec, JSObject* baseObject, JSValue value)
{
asRegExpConstructor(baseObject)->setMultiline(value.toBoolean(exec));
}
void SlotVisitor::append(JSValue value)
{
if (!value || !value.isCell())
return;
setMarkedAndAppendToMarkStack(value.asCell());
}