static RefPtr<CryptoAlgorithmParameters> createRsaOaepParams(ExecState* exec, JSValue value)
{
if (!value.isObject()) {
throwTypeError(exec);
return nullptr;
}
JSDictionary jsDictionary(exec, value.getObject());
auto result = adoptRef(*new CryptoAlgorithmRsaOaepParams);
if (!getHashAlgorithm(jsDictionary, result->hash, HashRequirement::Required)) {
ASSERT(exec->hadException());
return nullptr;
}
JSValue labelValue = getProperty(exec, value.getObject(), "label");
if (exec->hadException())
return nullptr;
result->hasLabel = !labelValue.isUndefinedOrNull();
if (!result->hasLabel)
return WTFMove(result);
CryptoOperationData labelData;
if (!cryptoOperationDataFromJSValue(exec, labelValue, labelData)) {
ASSERT(exec->hadException());
return nullptr;
}
result->label.append(labelData.first, labelData.second);
return WTFMove(result);
}
static std::unique_ptr<CryptoAlgorithmParameters> createRsaKeyGenParams(ExecState* exec, JSValue value)
{
if (!value.isObject()) {
throwTypeError(exec);
return nullptr;
}
auto result = std::make_unique<CryptoAlgorithmRsaKeyGenParams>();
JSValue modulusLengthValue = getProperty(exec, value.getObject(), "modulusLength");
if (exec->hadException())
return nullptr;
// FIXME: Why no EnforceRange? Filed as <https://www.w3.org/Bugs/Public/show_bug.cgi?id=23779>.
result->modulusLength = toUInt32(exec, modulusLengthValue, NormalConversion);
if (exec->hadException())
return nullptr;
JSValue publicExponentValue = getProperty(exec, value.getObject(), "publicExponent");
if (exec->hadException())
return nullptr;
RefPtr<Uint8Array> publicExponentArray = toUint8Array(publicExponentValue);
if (!publicExponentArray) {
throwTypeError(exec, "Expected a Uint8Array in publicExponent");
return nullptr;
}
result->publicExponent.append(publicExponentArray->data(), publicExponentArray->byteLength());
return WTF::move(result);
}
static RefPtr<CryptoAlgorithmParameters> createRsaKeyGenParams(ExecState& state, JSValue value)
{
if (!value.isObject()) {
throwTypeError(&state);
return nullptr;
}
JSDictionary jsDictionary(&state, value.getObject());
auto result = adoptRef(*new CryptoAlgorithmRsaKeyGenParams);
JSValue modulusLengthValue = getProperty(&state, value.getObject(), "modulusLength");
if (state.hadException())
return nullptr;
// FIXME: Why no EnforceRange? Filed as <https://www.w3.org/Bugs/Public/show_bug.cgi?id=23779>.
result->modulusLength = convert<uint32_t>(state, modulusLengthValue, NormalConversion);
if (state.hadException())
return nullptr;
JSValue publicExponentValue = getProperty(&state, value.getObject(), "publicExponent");
if (state.hadException())
return nullptr;
RefPtr<Uint8Array> publicExponentArray = toUint8Array(publicExponentValue);
if (!publicExponentArray) {
throwTypeError(&state, "Expected a Uint8Array in publicExponent");
return nullptr;
}
result->publicExponent.append(publicExponentArray->data(), publicExponentArray->byteLength());
result->hasHash = getHashAlgorithm(jsDictionary, result->hash, HashRequirement::Optional);
return WTFMove(result);
}
int JSPrintFunction::rightValue( JSScopeStack* , JSValue *rv, JSParameterListObject *_param )
{
// int ret = 0;
if ( _param )
{
JSValue *v;
for ( v = _param->firstValue(); v != 0L; v = _param->nextValue() )
{
if ( v->getObject()->isA() == TYPE_JSIntegerObject )
printf( "%i ", ((JSIntegerObject*)(v->getObject()))->getValue() );
else if ( v->getObject()->isA() == TYPE_JSStringObject )
printf( "%s ", ((JSStringObject*)(v->getObject()))->getString() );
else if ( v->getObject()->isA() == TYPE_JSBoolObject )
{
if ( ((JSBoolObject*)(v->getObject()))->getValue() )
printf( "TRUE " );
else
printf( "FALSE " );
}
else if ( v->getObject()->isA() == TYPE_JSFloatObject )
printf( "%f ", ((JSFloatObject*)(v->getObject()))->getValue() );
}
}
rv->setObject( new JSObject() );
rv->setAutoDelete( TRUE );
rv->setLeftValue( FALSE );
return 0;
}
int JSDocumentWriteFunction::rightValue( JSScopeStack*, JSValue *rv, JSParameterListObject *_param )
{
int ret = 0;
QString out;
if ( _param )
{
JSValue *v;
int i = 0;
for ( v = _param->firstValue(); v != 0L; v = _param->nextValue() )
{
i++;
if ( i > 1 )
object->getJSWindowObject()->getJSEnvironment()->writeOutput( " " );
if ( v->getObject()->isA() == TYPE_JSIntegerObject )
{
out.sprintf("%i",((JSIntegerObject*)(v->getObject()))->getValue() );
object->getJSWindowObject()->getJSEnvironment()->writeOutput( out.data() );
//printf( "%i ", ((JSIntegerObject*)(v->getObject()))->getValue() );
}
else if ( v->getObject()->isA() == TYPE_JSStringObject )
{
out = ((JSStringObject*)(v->getObject()))->getString();
object->getJSWindowObject()->getJSEnvironment()->writeOutput( out.data() );
//printf( "%s ", ((JSStringObject*)(v->getObject()))->getString() );
}
else if ( v->getObject()->isA() == TYPE_JSBoolObject )
{
if ( ((JSBoolObject*)(v->getObject()))->getValue() )
{
out = "TRUE";
object->getJSWindowObject()->getJSEnvironment()->writeOutput( out.data() );
//printf( "TRUE " );
}
else
{
out = "FALSE";
object->getJSWindowObject()->getJSEnvironment()->writeOutput( out.data() );
//printf( "FALSE " );
}
}
else if ( v->getObject()->isA() == TYPE_JSFloatObject )
{
out.sprintf( "%f", ((JSFloatObject*)(v->getObject()))->getValue() );
object->getJSWindowObject()->getJSEnvironment()->writeOutput( out.data() );
//printf( "%f ", ((JSFloatObject*)(v->getObject()))->getValue() );
}
}
}
rv->setObject( new JSObject() );
rv->setAutoDelete( TRUE );
rv->setLeftValue( FALSE );
return ret;
}
static RefPtr<CryptoAlgorithmParameters> createAesCbcParams(ExecState* exec, JSValue value)
{
if (!value.isObject()) {
throwTypeError(exec);
return nullptr;
}
JSValue iv = getProperty(exec, value.getObject(), "iv");
if (exec->hadException())
return nullptr;
auto result = adoptRef(*new CryptoAlgorithmAesCbcParams);
CryptoOperationData ivData;
if (!cryptoOperationDataFromJSValue(exec, iv, ivData)) {
ASSERT(exec->hadException());
return nullptr;
}
if (ivData.second != 16) {
exec->vm().throwException(exec, createError(exec, "AES-CBC initialization data must be 16 bytes"));
return nullptr;
}
memcpy(result->iv.data(), ivData.first, ivData.second);
return WTFMove(result);
}
inline Structure* getBoundFunctionStructure(VM& vm, ExecState* exec, JSGlobalObject* globalObject, JSObject* targetFunction)
{
auto scope = DECLARE_THROW_SCOPE(vm);
JSValue prototype = targetFunction->getPrototype(vm, exec);
RETURN_IF_EXCEPTION(scope, nullptr);
JSFunction* targetJSFunction = jsDynamicCast<JSFunction*>(vm, targetFunction);
// We only cache the structure of the bound function if the bindee is a JSFunction since there
// isn't any good place to put the structure on Internal Functions.
if (targetJSFunction) {
Structure* structure = targetJSFunction->rareData(vm)->getBoundFunctionStructure();
if (structure && structure->storedPrototype() == prototype && structure->globalObject() == globalObject)
return structure;
}
Structure* result = globalObject->boundFunctionStructure();
// It would be nice if the structure map was keyed global objects in addition to the other things. Unfortunately, it is not
// currently. Whoever works on caching structure changes for prototype transistions should consider this problem as well.
// See: https://bugs.webkit.org/show_bug.cgi?id=152738
if (prototype.isObject() && prototype.getObject()->globalObject() == globalObject) {
result = vm.prototypeMap.emptyStructureForPrototypeFromBaseStructure(globalObject, prototype.getObject(), result);
ASSERT_WITH_SECURITY_IMPLICATION(result->globalObject() == globalObject);
} else
result = Structure::create(vm, globalObject, prototype, result->typeInfo(), result->classInfo());
if (targetJSFunction)
targetJSFunction->rareData(vm)->setBoundFunctionStructure(vm, result);
return result;
}
bool JSValueIsObjectOfClass(JSContextRef ctx, JSValueRef value, JSClassRef jsClass)
{
if (!ctx || !jsClass) {
ASSERT_NOT_REACHED();
return false;
}
ExecState* exec = toJS(ctx);
JSLockHolder locker(exec);
JSValue jsValue = toJS(exec, value);
if (JSObject* o = jsValue.getObject()) {
if (o->inherits(JSProxy::info()))
o = jsCast<JSProxy*>(o)->target();
if (o->inherits(JSCallbackObject<JSGlobalObject>::info()))
return jsCast<JSCallbackObject<JSGlobalObject>*>(o)->inherits(jsClass);
if (o->inherits(JSCallbackObject<JSDestructibleObject>::info()))
return jsCast<JSCallbackObject<JSDestructibleObject>*>(o)->inherits(jsClass);
#if JSC_OBJC_API_ENABLED
if (o->inherits(JSCallbackObject<JSAPIWrapperObject>::info()))
return jsCast<JSCallbackObject<JSAPIWrapperObject>*>(o)->inherits(jsClass);
#endif
}
return false;
}
IterationRecord iteratorForIterable(ExecState* state, JSValue iterable)
{
VM& vm = state->vm();
auto scope = DECLARE_THROW_SCOPE(vm);
JSValue iteratorFunction = iterable.get(state, vm.propertyNames->iteratorSymbol);
RETURN_IF_EXCEPTION(scope, { });
CallData iteratorFunctionCallData;
CallType iteratorFunctionCallType = getCallData(vm, iteratorFunction, iteratorFunctionCallData);
if (iteratorFunctionCallType == CallType::None) {
throwTypeError(state, scope);
return { };
}
ArgList iteratorFunctionArguments;
JSValue iterator = call(state, iteratorFunction, iteratorFunctionCallType, iteratorFunctionCallData, iterable, iteratorFunctionArguments);
RETURN_IF_EXCEPTION(scope, { });
if (!iterator.isObject()) {
throwTypeError(state, scope);
return { };
}
JSValue nextMethod = iterator.getObject()->get(state, vm.propertyNames->next);
RETURN_IF_EXCEPTION(scope, { });
return { iterator, nextMethod };
}
EncodedJSValue JSC_HOST_CALL constructJSHTMLElement(ExecState& exec)
{
auto* jsConstructor = jsCast<DOMConstructorObject*>(exec.callee());
auto* context = jsConstructor->scriptExecutionContext();
if (!is<Document>(context))
return throwConstructorDocumentUnavailableError(exec, "HTMLElement");
auto& document = downcast<Document>(*context);
auto* window = document.domWindow();
if (!window)
return throwVMTypeError(&exec, ASCIILiteral("new.target is not a valid custom element constructor"));
auto* registry = window->customElementsRegistry();
if (!registry)
return throwVMTypeError(&exec, ASCIILiteral("new.target is not a valid custom element constructor"));
VM& vm = exec.vm();
JSValue newTargetValue = exec.thisValue();
JSObject* newTarget = newTargetValue.getObject();
auto* elementInterface = registry->findInterface(newTarget);
if (!elementInterface)
return throwVMTypeError(&exec, ASCIILiteral("new.target does not define a custom element"));
if (!elementInterface->isUpgradingElement()) {
auto* globalObject = jsConstructor->globalObject();
Structure* baseStructure = getDOMStructure<JSHTMLElement>(vm, *globalObject);
auto* newElementStructure = InternalFunction::createSubclassStructure(&exec, newTargetValue, baseStructure);
if (UNLIKELY(exec.hadException()))
return JSValue::encode(jsUndefined());
Ref<HTMLElement> element = HTMLElement::create(elementInterface->name(), document);
element->setIsUnresolvedCustomElement();
auto* jsElement = JSHTMLElement::create(newElementStructure, globalObject, element.get());
cacheWrapper(globalObject->world(), element.ptr(), jsElement);
return JSValue::encode(jsElement);
}
Element* elementToUpgrade = elementInterface->lastElementInConstructionStack();
if (!elementToUpgrade) {
throwInvalidStateError(exec, ASCIILiteral("Cannot instantiate a custom element inside its own constrcutor during upgrades"));
return JSValue::encode(jsUndefined());
}
JSValue elementWrapperValue = toJS(&exec, jsConstructor->globalObject(), *elementToUpgrade);
ASSERT(elementWrapperValue.isObject());
JSValue newPrototype = newTarget->get(&exec, vm.propertyNames->prototype);
if (exec.hadException())
return JSValue::encode(jsUndefined());
JSObject* elementWrapperObject = asObject(elementWrapperValue);
JSObject::setPrototype(elementWrapperObject, &exec, newPrototype, true /* shouldThrowIfCantSet */);
if (exec.hadException())
return JSValue::encode(jsUndefined());
elementInterface->didUpgradeLastElementInConstructionStack();
return JSValue::encode(elementWrapperValue);
}
ScriptObject InjectedScriptManager::createInjectedScript(const String& source, ScriptState* scriptState, int id)
{
JSLockHolder lock(scriptState);
SourceCode sourceCode = makeSource(source);
JSDOMGlobalObject* globalObject = jsCast<JSDOMGlobalObject*>(scriptState->lexicalGlobalObject());
JSValue globalThisValue = scriptState->globalThisValue();
JSValue evaluationException;
JSValue evaluationReturnValue;
if (isMainThread())
evaluationReturnValue = JSMainThreadExecState::evaluate(scriptState, sourceCode, globalThisValue, &evaluationException);
else {
JSC::JSLockHolder lock(scriptState);
evaluationReturnValue = JSC::evaluate(scriptState, sourceCode, globalThisValue, &evaluationException);
}
if (evaluationException)
return ScriptObject();
JSValue functionValue = evaluationReturnValue;
CallData callData;
CallType callType = getCallData(functionValue, callData);
if (callType == CallTypeNone)
return ScriptObject();
MarkedArgumentBuffer args;
args.append(toJS(scriptState, globalObject, m_injectedScriptHost.get()));
args.append(globalThisValue);
args.append(jsNumber(id));
JSValue result = JSC::call(scriptState, functionValue, callType, callData, globalThisValue, args);
if (result.isObject())
return ScriptObject(scriptState, result.getObject());
return ScriptObject();
}
Deprecated::ScriptObject InjectedScriptManager::createInjectedScript(const String& source, ExecState* scriptState, int id)
{
JSLockHolder lock(scriptState);
SourceCode sourceCode = makeSource(source);
JSGlobalObject* globalObject = scriptState->lexicalGlobalObject();
JSValue globalThisValue = scriptState->globalThisValue();
NakedPtr<Exception> evaluationException;
InspectorEvaluateHandler evaluateHandler = m_environment.evaluateHandler();
JSValue functionValue = evaluateHandler(scriptState, sourceCode, globalThisValue, evaluationException);
if (evaluationException)
return Deprecated::ScriptObject();
CallData callData;
CallType callType = getCallData(functionValue, callData);
if (callType == CallTypeNone)
return Deprecated::ScriptObject();
MarkedArgumentBuffer args;
args.append(m_injectedScriptHost->wrapper(scriptState, globalObject));
args.append(globalThisValue);
args.append(jsNumber(id));
JSValue result = JSC::call(scriptState, functionValue, callType, callData, globalThisValue, args);
scriptState->clearException();
if (result.isObject())
return Deprecated::ScriptObject(scriptState, result.getObject());
return Deprecated::ScriptObject();
}
JSValue JSHTMLCanvasElement::getContext(ExecState* exec)
{
HTMLCanvasElement* canvas = static_cast<HTMLCanvasElement*>(impl());
const String& contextId = exec->argument(0).toString(exec)->value(exec);
RefPtr<CanvasContextAttributes> attrs;
#if ENABLE(WEBGL)
if (HTMLCanvasElement::is3dType(contextId)) {
get3DContextAttributes(exec, attrs);
if (exec->hadException())
return jsUndefined();
}
#endif
CanvasRenderingContext* context = canvas->getContext(contextId, attrs.get());
if (!context)
return jsNull();
JSValue jsValue = toJS(exec, globalObject(), WTF::getPtr(context));
if (InspectorInstrumentation::canvasAgentEnabled(canvas->document())) {
ScriptObject contextObject(exec, jsValue.getObject());
ScriptObject wrapped;
if (context->is2d())
wrapped = InspectorInstrumentation::wrapCanvas2DRenderingContextForInstrumentation(canvas->document(), contextObject);
#if ENABLE(WEBGL)
else if (context->is3d())
wrapped = InspectorInstrumentation::wrapWebGLRenderingContextForInstrumentation(canvas->document(), contextObject);
#endif
if (!wrapped.hasNoValue())
return wrapped.jsValue();
}
return jsValue;
}
static EncodedJSValue JSC_HOST_CALL typedArrayViewProtoGetterFuncToStringTag(ExecState* exec)
{
JSValue thisValue = exec->thisValue();
if (!thisValue.isObject())
return JSValue::encode(jsUndefined());
VM& vm = exec->vm();
switch (thisValue.getObject()->classInfo()->typedArrayStorageType) {
case TypeUint8Clamped:
return JSValue::encode(jsString(&vm, "Uint8ClampedArray"));
case TypeInt32:
return JSValue::encode(jsString(&vm, "Int32Array"));
case TypeUint32:
return JSValue::encode(jsString(&vm, "Uint32Array"));
case TypeFloat64:
return JSValue::encode(jsString(&vm, "Float64Array"));
case TypeFloat32:
return JSValue::encode(jsString(&vm, "Float32Array"));
case TypeInt8:
return JSValue::encode(jsString(&vm, "Int8Array"));
case TypeUint8:
return JSValue::encode(jsString(&vm, "Uint8Array"));
case TypeInt16:
return JSValue::encode(jsString(&vm, "Int16Array"));
case TypeUint16:
return JSValue::encode(jsString(&vm, "Uint16Array"));
case NotTypedArray:
case TypeDataView:
return JSValue::encode(jsUndefined());
}
RELEASE_ASSERT_NOT_REACHED();
}
ScriptObject InjectedScriptHost::createInjectedScript(const String& source, ScriptState* scriptState, long id)
{
SourceCode sourceCode = makeSource(stringToUString(source));
JSLock lock(SilenceAssertionsOnly);
JSDOMGlobalObject* globalObject = static_cast<JSDOMGlobalObject*>(scriptState->lexicalGlobalObject());
JSValue globalThisValue = scriptState->globalThisValue();
Completion comp = JSMainThreadExecState::evaluate(scriptState, globalObject->globalScopeChain(), sourceCode, globalThisValue);
if (comp.complType() != JSC::Normal && comp.complType() != JSC::ReturnValue)
return ScriptObject();
JSValue functionValue = comp.value();
CallData callData;
CallType callType = functionValue.getCallData(callData);
if (callType == CallTypeNone)
return ScriptObject();
MarkedArgumentBuffer args;
args.append(toJS(scriptState, globalObject, this));
args.append(globalThisValue);
args.append(jsNumber(scriptState, id));
args.append(jsString(scriptState, String("JSC")));
JSValue result = JSC::call(scriptState, functionValue, callType, callData, globalThisValue, args);
if (result.isObject())
return ScriptObject(scriptState, result.getObject());
return ScriptObject();
}
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);
}
static EncodedJSValue JSC_HOST_CALL constructJSWebAssemblyModule(ExecState* state)
{
VM& vm = state->vm();
auto scope = DECLARE_THROW_SCOPE(vm);
JSValue val = state->argument(0);
// If the given bytes argument is not a BufferSource, a TypeError exception is thrown.
JSArrayBuffer* arrayBuffer = val.getObject() ? jsDynamicCast<JSArrayBuffer*>(val.getObject()) : nullptr;
JSArrayBufferView* arrayBufferView = val.getObject() ? jsDynamicCast<JSArrayBufferView*>(val.getObject()) : nullptr;
if (!(arrayBuffer || arrayBufferView))
return JSValue::encode(throwException(state, scope, createTypeError(state, ASCIILiteral("first argument to WebAssembly.Module must be an ArrayBufferView or an ArrayBuffer"), defaultSourceAppender, runtimeTypeForValue(val))));
if (arrayBufferView ? arrayBufferView->isNeutered() : arrayBuffer->impl()->isNeutered())
return JSValue::encode(throwException(state, scope, createTypeError(state, ASCIILiteral("underlying TypedArray has been detatched from the ArrayBuffer"), defaultSourceAppender, runtimeTypeForValue(val))));
size_t byteOffset = arrayBufferView ? arrayBufferView->byteOffset() : 0;
size_t byteSize = arrayBufferView ? arrayBufferView->length() : arrayBuffer->impl()->byteLength();
const auto* base = arrayBufferView ? static_cast<uint8_t*>(arrayBufferView->vector()) : static_cast<uint8_t*>(arrayBuffer->impl()->data());
Wasm::Plan plan(&vm, base + byteOffset, byteSize);
// On failure, a new WebAssembly.CompileError is thrown.
plan.run();
if (plan.failed())
return JSValue::encode(throwException(state, scope, createWebAssemblyCompileError(state, plan.errorMessage())));
// On success, a new WebAssembly.Module object is returned with [[Module]] set to the validated Ast.module.
auto* structure = InternalFunction::createSubclassStructure(state, state->newTarget(), asInternalFunction(state->jsCallee())->globalObject()->WebAssemblyModuleStructure());
RETURN_IF_EXCEPTION(scope, { });
// The export symbol table is the same for all Instances of a Module.
SymbolTable* exportSymbolTable = SymbolTable::create(vm);
for (auto& exp : plan.exports()) {
auto offset = exportSymbolTable->takeNextScopeOffset(NoLockingNecessary);
exportSymbolTable->set(NoLockingNecessary, exp.field.impl(), SymbolTableEntry(VarOffset(offset)));
}
// Only wasm-internal functions have a callee, stubs to JS do not.
unsigned calleeCount = plan.internalFunctionCount();
JSWebAssemblyModule* result = JSWebAssemblyModule::create(vm, structure, plan.takeModuleInformation(), plan.takeCallLinkInfos(), plan.takeWasmToJSStubs(), plan.takeFunctionIndexSpace(), exportSymbolTable, calleeCount);
plan.initializeCallees(state->jsCallee()->globalObject(),
[&] (unsigned calleeIndex, JSWebAssemblyCallee* jsEntrypointCallee, JSWebAssemblyCallee* wasmEntrypointCallee) {
result->setJSEntrypointCallee(vm, calleeIndex, jsEntrypointCallee);
result->setWasmEntrypointCallee(vm, calleeIndex, wasmEntrypointCallee);
});
return JSValue::encode(result);
}
bool JSValueIsObjectOfClass(JSContextRef, JSValueRef value, JSClassRef jsClass)
{
JSValue* jsValue = toJS(value);
if (JSObject* o = jsValue->getObject())
if (o->inherits(&JSCallbackObject::info))
return static_cast<JSCallbackObject*>(o)->inherits(jsClass);
return false;
}
template<> DictionaryImplName convertDictionary<DictionaryImplName>(ExecState& state, JSValue value)
{
VM& vm = state.vm();
auto throwScope = DECLARE_THROW_SCOPE(vm);
bool isNullOrUndefined = value.isUndefinedOrNull();
auto* object = isNullOrUndefined ? nullptr : value.getObject();
if (UNLIKELY(!isNullOrUndefined && !object)) {
throwTypeError(&state, throwScope);
return { };
}
DictionaryImplName result;
JSValue boolMemberValue;
if (isNullOrUndefined)
boolMemberValue = jsUndefined();
else {
boolMemberValue = object->get(&state, Identifier::fromString(&state, "boolMember"));
RETURN_IF_EXCEPTION(throwScope, { });
}
if (!boolMemberValue.isUndefined()) {
result.boolMember = convert<IDLBoolean>(state, boolMemberValue);
RETURN_IF_EXCEPTION(throwScope, { });
}
JSValue callbackMemberValue;
if (isNullOrUndefined)
callbackMemberValue = jsUndefined();
else {
callbackMemberValue = object->get(&state, Identifier::fromString(&state, "callbackMember"));
RETURN_IF_EXCEPTION(throwScope, { });
}
if (!callbackMemberValue.isUndefined()) {
result.callbackMember = convert<IDLCallbackFunction<JSVoidCallback>>(state, callbackMemberValue, *jsCast<JSDOMGlobalObject*>(state.lexicalGlobalObject()));
RETURN_IF_EXCEPTION(throwScope, { });
}
JSValue enumMemberValue;
if (isNullOrUndefined)
enumMemberValue = jsUndefined();
else {
enumMemberValue = object->get(&state, Identifier::fromString(&state, "enumMember"));
RETURN_IF_EXCEPTION(throwScope, { });
}
if (!enumMemberValue.isUndefined()) {
result.enumMember = convert<IDLEnumeration<TestStandaloneDictionary::EnumInStandaloneDictionaryFile>>(state, enumMemberValue);
RETURN_IF_EXCEPTION(throwScope, { });
}
JSValue stringMemberValue;
if (isNullOrUndefined)
stringMemberValue = jsUndefined();
else {
stringMemberValue = object->get(&state, Identifier::fromString(&state, "stringMember"));
RETURN_IF_EXCEPTION(throwScope, { });
}
if (!stringMemberValue.isUndefined()) {
result.stringMember = convert<IDLDOMString>(state, stringMemberValue);
RETURN_IF_EXCEPTION(throwScope, { });
}
return result;
}
int main(int argc, char **argv)
{
// expecting a filename
if (argc < 2) {
fprintf(stderr, "You have to specify at least one filename\n");
return -1;
}
bool ret = true;
{
JSLock lock;
// create interpreter w/ global object
Global* global = new Global();
RefPtr<Interpreter> interp = new Interpreter(global);
ExecState *exec = interp->globalExec();
MyObject *myObject = (MyObject *)_NPN_CreateObject (NPP(0), myFunctionPtrs);
// FIXME
// global->put(exec, Identifier("myInterface"), Instance::createRuntimeObject(Instance::CLanguage, (void *)myObject));
for (int i = 1; i < argc; i++) {
const char *code = readJavaScriptFromFile(argv[i]);
if (code) {
// run
Completion comp(interp->evaluate("", 0, code));
if (comp.complType() == Throw) {
JSValue *exVal = comp.value();
char *msg = exVal->toString(exec).ascii();
int lineno = -1;
if (exVal->type() == ObjectType) {
JSValue *lineVal = exVal->getObject()->get(exec, Identifier("line"));
if (lineVal->type() == NumberType)
lineno = int(lineVal->toNumber(exec));
}
if (lineno != -1)
fprintf(stderr,"Exception, line %d: %s\n",lineno,msg);
else
fprintf(stderr,"Exception: %s\n",msg);
ret = false;
}
else if (comp.complType() == ReturnValue) {
char *msg = comp.value()->toString(interp->globalExec()).ascii();
fprintf(stderr,"Return value: %s\n",msg);
}
}
}
_NPN_ReleaseObject ((NPObject *)myObject);
} // end block, so that Interpreter and global get deleted
return ret ? 0 : 3;
}
JSValue JSMessageEvent::data(ExecState& state) const
{
if (JSValue cachedValue = m_data.get()) {
// 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(&state))
return cachedValue;
ASSERT_NOT_REACHED();
}
MessageEvent& event = wrapped();
JSValue result;
switch (event.dataType()) {
case MessageEvent::DataTypeScriptValue: {
JSValue dataValue = event.dataAsScriptValue();
if (!dataValue)
result = jsNull();
else {
// We need to make sure MessageEvents do not leak objects in their state property across isolated DOM worlds.
// Ideally, we would check that the worlds have different privileges but that's not possible yet.
if (dataValue.isObject() && &worldForDOMObject(dataValue.getObject()) != ¤tWorld(&state)) {
RefPtr<SerializedScriptValue> serializedValue = event.trySerializeData(&state);
if (serializedValue)
result = serializedValue->deserialize(state, globalObject());
else
result = jsNull();
} else
result = dataValue;
}
break;
}
case MessageEvent::DataTypeSerializedScriptValue:
if (RefPtr<SerializedScriptValue> serializedValue = event.dataAsSerializedScriptValue()) {
Vector<RefPtr<MessagePort>> ports = wrapped().ports();
// FIXME: Why does this suppress exceptions?
result = serializedValue->deserialize(state, globalObject(), ports, NonThrowing);
} else
result = jsNull();
break;
case MessageEvent::DataTypeString:
result = jsStringWithCache(&state, event.dataAsString());
break;
case MessageEvent::DataTypeBlob:
result = toJS(&state, globalObject(), event.dataAsBlob());
break;
case MessageEvent::DataTypeArrayBuffer:
result = toJS(&state, globalObject(), event.dataAsArrayBuffer());
break;
}
// Save the result so we don't have to deserialize the value again.
m_data.set(state.vm(), this, result);
return result;
}
static RefPtr<InspectorValue> jsToInspectorValue(ExecState* scriptState, JSValue value, int maxDepth)
{
if (!value) {
ASSERT_NOT_REACHED();
return nullptr;
}
if (!maxDepth)
return nullptr;
maxDepth--;
if (value.isNull() || value.isUndefined())
return InspectorValue::null();
if (value.isBoolean())
return InspectorValue::create(value.asBoolean());
if (value.isNumber() && value.isDouble())
return InspectorValue::create(value.asNumber());
if (value.isNumber() && value.isMachineInt())
return InspectorValue::create(static_cast<int>(value.asMachineInt()));
if (value.isString())
return InspectorValue::create(value.getString(scriptState));
if (value.isObject()) {
if (isJSArray(value)) {
Ref<InspectorArray> inspectorArray = InspectorArray::create();
JSArray* array = asArray(value);
unsigned length = array->length();
for (unsigned i = 0; i < length; i++) {
JSValue element = array->getIndex(scriptState, i);
RefPtr<InspectorValue> elementValue = jsToInspectorValue(scriptState, element, maxDepth);
if (!elementValue)
return nullptr;
inspectorArray->pushValue(WTFMove(elementValue));
}
return WTFMove(inspectorArray);
}
Ref<InspectorObject> inspectorObject = InspectorObject::create();
JSObject* object = value.getObject();
PropertyNameArray propertyNames(scriptState, PropertyNameMode::Strings);
object->methodTable()->getOwnPropertyNames(object, scriptState, propertyNames, EnumerationMode());
for (size_t i = 0; i < propertyNames.size(); i++) {
const Identifier& name = propertyNames[i];
JSValue propertyValue = object->get(scriptState, name);
RefPtr<InspectorValue> inspectorValue = jsToInspectorValue(scriptState, propertyValue, maxDepth);
if (!inspectorValue)
return nullptr;
inspectorObject->setValue(name.string(), WTFMove(inspectorValue));
}
return WTFMove(inspectorObject);
}
ASSERT_NOT_REACHED();
return nullptr;
}
ExceptionOr<Ref<JSCustomXPathNSResolver>> JSCustomXPathNSResolver::create(ExecState& state, JSValue value)
{
if (value.isUndefinedOrNull())
return Exception { TypeError };
auto* resolverObject = value.getObject();
if (!resolverObject)
return Exception { TYPE_MISMATCH_ERR };
return adoptRef(*new JSCustomXPathNSResolver(state.vm(), resolverObject, asJSDOMWindow(state.vmEntryGlobalObject())));
}
RefPtr<ReadableJSStream> ReadableJSStream::create(ExecState& state, ScriptExecutionContext& scriptExecutionContext)
{
// FIXME: We should consider reducing the binding code herei (using Dictionary/regular binding constructor and/or improving the IDL generator).
JSObject* jsSource;
JSValue value = state.argument(0);
if (value.isObject())
jsSource = value.getObject();
else if (!value.isUndefined()) {
throwVMError(&state, createTypeError(&state, ASCIILiteral("First argument, if any, should be an object")));
return nullptr;
} else
jsSource = JSFinalObject::create(state.vm(), JSFinalObject::createStructure(state.vm(), state.callee()->globalObject(), jsNull(), 1));
double highWaterMark = 1;
JSFunction* sizeFunction = nullptr;
value = state.argument(1);
if (value.isObject()) {
JSObject& strategyObject = *value.getObject();
highWaterMark = normalizeHighWaterMark(state, strategyObject);
if (state.hadException())
return nullptr;
if (!(sizeFunction = jsDynamicCast<JSFunction*>(getPropertyFromObject(state, strategyObject, "size")))) {
if (!state.hadException())
throwVMError(&state, createTypeError(&state, ASCIILiteral("size parameter should be a function")));
return nullptr;
}
} else if (!value.isUndefined()) {
throwVMError(&state, createTypeError(&state, ASCIILiteral("Second argument, if any, should be an object")));
return nullptr;
}
RefPtr<ReadableJSStream> readableStream = adoptRef(*new ReadableJSStream(scriptExecutionContext, state, jsSource, highWaterMark, sizeFunction));
readableStream->doStart(state);
if (state.hadException())
return nullptr;
return readableStream;
}
PassRefPtr<VoidCallback> toVoidCallback(ExecState* exec, JSValue value)
{
JSObject* object = value.getObject();
if (!object)
return 0;
Frame* frame = asJSDOMWindow(exec->dynamicGlobalObject())->impl()->frame();
if (!frame)
return 0;
return JSCustomVoidCallback::create(object, frame);
}
static PassRefPtr<InspectorValue> jsToInspectorValue(ScriptState* scriptState, JSValue value, int maxDepth)
{
if (!value) {
ASSERT_NOT_REACHED();
return 0;
}
if (!maxDepth)
return 0;
maxDepth--;
if (value.isNull() || value.isUndefined())
return InspectorValue::null();
if (value.isBoolean())
return InspectorBasicValue::create(value.asBoolean());
if (value.isNumber())
return InspectorBasicValue::create(value.asNumber());
if (value.isString()) {
String s = value.getString(scriptState);
return InspectorString::create(String(s.characters(), s.length()));
}
if (value.isObject()) {
if (isJSArray(value)) {
RefPtr<InspectorArray> inspectorArray = InspectorArray::create();
JSArray* array = asArray(value);
unsigned length = array->length();
for (unsigned i = 0; i < length; i++) {
// FIXME: What if the array is in sparse mode? https://bugs.webkit.org/show_bug.cgi?id=95610
JSValue element = array->getIndexQuickly(i);
RefPtr<InspectorValue> elementValue = jsToInspectorValue(scriptState, element, maxDepth);
if (!elementValue)
return 0;
inspectorArray->pushValue(elementValue);
}
return inspectorArray;
}
RefPtr<InspectorObject> inspectorObject = InspectorObject::create();
JSObject* object = value.getObject();
PropertyNameArray propertyNames(scriptState);
object->methodTable()->getOwnPropertyNames(object, scriptState, propertyNames, ExcludeDontEnumProperties);
for (size_t i = 0; i < propertyNames.size(); i++) {
const Identifier& name = propertyNames[i];
JSValue propertyValue = object->get(scriptState, name);
RefPtr<InspectorValue> inspectorValue = jsToInspectorValue(scriptState, propertyValue, maxDepth);
if (!inspectorValue)
return 0;
inspectorObject->setValue(String(name.characters(), name.length()), inspectorValue);
}
return inspectorObject;
}
ASSERT_NOT_REACHED();
return 0;
}
bool JSCryptoAlgorithmDictionary::getAlgorithmIdentifier(ExecState* exec, JSValue value, CryptoAlgorithmIdentifier& algorithmIdentifier)
{
// typedef (Algorithm or DOMString) AlgorithmIdentifier;
String algorithmName;
if (value.isString())
algorithmName = value.toString(exec)->value(exec);
else if (value.isObject()) {
if (value.getObject()->inherits(StringObject::info()))
algorithmName = asString(asStringObject(value)->internalValue())->value(exec);
else {
// FIXME: This doesn't perform some checks mandated by WebIDL for dictionaries:
// - null and undefined input should be treated as if all elements in the dictionary were undefined;
// - undefined elements should be treated as having a default value, or as not present if there isn't such;
// - RegExp and Date objects cannot be converted to dictionaries.
//
// This is partially because we don't implement it elsewhere in WebCore yet, and partially because
// WebCrypto doesn't yet clearly specify what to do with non-present values in most cases anyway.
JSDictionary dictionary(exec, value.getObject());
dictionary.get("name", algorithmName);
}
}
if (exec->hadException())
return false;
if (!algorithmName.containsOnlyASCII()) {
throwSyntaxError(exec);
return false;
}
if (!CryptoAlgorithmRegistry::singleton().getIdentifierForName(algorithmName, algorithmIdentifier)) {
setDOMException(exec, NOT_SUPPORTED_ERR);
return false;
}
return true;
}
static JSObject* getCustomElementCallback(ExecState& state, JSObject& prototype, const Identifier& id)
{
JSValue callback = prototype.get(&state, id);
if (state.hadException())
return nullptr;
if (callback.isUndefined())
return nullptr;
if (!callback.isFunction()) {
throwTypeError(&state, ASCIILiteral("A custom element callback must be a function"));
return nullptr;
}
return callback.getObject();
}
PassRefPtr<JSCustomXPathNSResolver> JSCustomXPathNSResolver::create(ExecState* exec, JSValue value)
{
if (value.isUndefinedOrNull())
return 0;
JSObject* resolverObject = value.getObject();
if (!resolverObject) {
setDOMException(exec, TYPE_MISMATCH_ERR);
return 0;
}
return adoptRef(new JSCustomXPathNSResolver(exec, resolverObject, asJSDOMWindow(exec->dynamicGlobalObject())));
}
static PassRefPtr<InspectorValue> jsToInspectorValue(ScriptState* scriptState, JSValue value)
{
if (!value) {
ASSERT_NOT_REACHED();
return 0;
}
if (value.isNull() || value.isUndefined())
return InspectorValue::null();
if (value.isBoolean())
return InspectorBasicValue::create(value.getBoolean());
if (value.isNumber())
return InspectorBasicValue::create(value.uncheckedGetNumber());
if (value.isString()) {
UString s = value.getString(scriptState);
return InspectorString::create(String(s.characters(), s.length()));
}
if (value.isObject()) {
if (isJSArray(&scriptState->globalData(), value)) {
RefPtr<InspectorArray> inspectorArray = InspectorArray::create();
JSArray* array = asArray(value);
unsigned length = array->length();
for (unsigned i = 0; i < length; i++) {
JSValue element = array->getIndex(i);
RefPtr<InspectorValue> elementValue = jsToInspectorValue(scriptState, element);
if (!elementValue) {
ASSERT_NOT_REACHED();
elementValue = InspectorValue::null();
}
inspectorArray->pushValue(elementValue);
}
return inspectorArray;
}
RefPtr<InspectorObject> inspectorObject = InspectorObject::create();
JSObject* object = value.getObject();
PropertyNameArray propertyNames(scriptState);
object->getOwnPropertyNames(scriptState, propertyNames);
for (size_t i = 0; i < propertyNames.size(); i++) {
const Identifier& name = propertyNames[i];
JSValue propertyValue = object->get(scriptState, name);
RefPtr<InspectorValue> inspectorValue = jsToInspectorValue(scriptState, propertyValue);
if (!inspectorValue) {
ASSERT_NOT_REACHED();
inspectorValue = InspectorValue::null();
}
inspectorObject->setValue(String(name.characters(), name.length()), inspectorValue);
}
return inspectorObject;
}
ASSERT_NOT_REACHED();
return 0;
}
