QScriptValueImpl Function::method_apply(QScriptContextPrivate *context, QScriptEnginePrivate *eng, QScriptClassInfo *)
{
if (! context->thisObject().isFunction()) {
return context->throwError(QScriptContext::TypeError,
QLatin1String("Function.prototype.apply"));
}
QScriptValueImpl thisObject = context->argument(0).toObject();
if (! (thisObject.isValid () && thisObject.isObject()))
thisObject = eng->globalObject();
QScriptValueImplList args;
QScriptValueImpl undefined = eng->undefinedValue();
QScriptValueImpl arg = context->argument(1);
if (Ecma::Array::Instance *arr = eng->arrayConstructor->get(arg)) {
QScript::Array actuals = arr->value;
for (quint32 i = 0; i < actuals.count(); ++i) {
QScriptValueImpl a = actuals.at(i);
if (! a.isValid())
args << undefined;
else
args << a;
}
} else if (arg.classInfo() == eng->m_class_arguments) {
QScript::ArgumentsObjectData *arguments;
arguments = static_cast<QScript::ArgumentsObjectData*> (arg.objectData());
QScriptObject *activation = arguments->activation.objectValue();
for (uint i = 0; i < arguments->length; ++i)
args << activation->m_objects[i];
} else if (!(arg.isUndefined() || arg.isNull())) {
return context->throwError(QScriptContext::TypeError,
QLatin1String("Function.prototype.apply: second argument is not an array"));
}
return context->thisObject().call(thisObject, args);
}
