示例#1
0
bool StringObject::getOwnPropertySlot(JSObject* cell, ExecState* exec, PropertyName propertyName, PropertySlot& slot)
{
    StringObject* thisObject = jsCast<StringObject*>(cell);
    if (thisObject->internalValue()->getStringPropertySlot(exec, propertyName, slot))
        return true;
    return JSObject::getOwnPropertySlot(thisObject, exec, propertyName, slot);
}
示例#2
0
bool StringObject::getOwnPropertySlot(JSCell* cell, ExecState* exec, unsigned propertyName, PropertySlot& slot)
{
    StringObject* thisObject = static_cast<StringObject*>(cell);
    if (thisObject->internalValue()->getStringPropertySlot(exec, propertyName, slot))
        return true;    
    return JSObject::getOwnPropertySlot(thisObject, exec, Identifier::from(exec, propertyName), slot);
}
示例#3
0
bool StringObject::getOwnPropertySlotByIndex(JSObject* object, ExecState* exec, unsigned propertyName, PropertySlot& slot)
{
    StringObject* thisObject = jsCast<StringObject*>(object);
    if (thisObject->internalValue()->getStringPropertySlot(exec, propertyName, slot))
        return true;    
    return JSObject::getOwnPropertySlot(thisObject, exec, Identifier::from(exec, propertyName), slot);
}
示例#4
0
bool StringObject::getOwnPropertyDescriptor(JSObject* object, ExecState* exec, PropertyName propertyName, PropertyDescriptor& descriptor)
{
    StringObject* thisObject = jsCast<StringObject*>(object);
    if (thisObject->internalValue()->getStringPropertyDescriptor(exec, propertyName, descriptor))
        return true;    
    return JSObject::getOwnPropertyDescriptor(thisObject, exec, propertyName, descriptor);
}
示例#5
0
bool StringObject::deletePropertyByIndex(JSCell* cell, ExecState* exec, unsigned i)
{
    StringObject* thisObject = jsCast<StringObject*>(cell);
    if (thisObject->internalValue()->canGetIndex(i))
        return false;
    return JSObject::deletePropertyByIndex(thisObject, exec, i);
}
示例#6
0
bool StringObject::putByIndex(JSCell* cell, ExecState* exec, unsigned propertyName, JSValue value, bool shouldThrow)
{
    VM& vm = exec->vm();
    auto scope = DECLARE_THROW_SCOPE(vm);

    StringObject* thisObject = jsCast<StringObject*>(cell);
    if (thisObject->internalValue()->canGetIndex(propertyName))
        return typeError(exec, scope, shouldThrow, ASCIILiteral(ReadonlyPropertyWriteError));
    return JSObject::putByIndex(cell, exec, propertyName, value, shouldThrow);
}
示例#7
0
bool StringObject::deleteProperty(JSCell* cell, ExecState* exec, PropertyName propertyName)
{
    StringObject* thisObject = jsCast<StringObject*>(cell);
    if (propertyName == exec->propertyNames().length)
        return false;
    Optional<uint32_t> index = parseIndex(propertyName);
    if (index && thisObject->internalValue()->canGetIndex(index.value()))
        return false;
    return JSObject::deleteProperty(thisObject, exec, propertyName);
}
示例#8
0
void StringObject::putByIndex(JSCell* cell, ExecState* exec, unsigned propertyName, JSValue value, bool shouldThrow)
{
    StringObject* thisObject = jsCast<StringObject*>(cell);
    if (thisObject->internalValue()->canGetIndex(propertyName)) {
        if (shouldThrow)
            throwTypeError(exec, StrictModeReadonlyPropertyWriteError);
        return;
    }
    JSObject::putByIndex(cell, exec, propertyName, value, shouldThrow);
}
示例#9
0
void StringObject::getOwnPropertyNames(JSObject* object, ExecState* exec, PropertyNameArray& propertyNames, EnumerationMode mode)
{
    StringObject* thisObject = jsCast<StringObject*>(object);
    int size = thisObject->internalValue()->length();
    for (int i = 0; i < size; ++i)
        propertyNames.add(Identifier(exec, String::number(i)));
    if (mode == IncludeDontEnumProperties)
        propertyNames.add(exec->propertyNames().length);
    return JSObject::getOwnPropertyNames(thisObject, exec, propertyNames, mode);
}
示例#10
0
bool StringObject::deleteProperty(JSCell* cell, ExecState* exec, const Identifier& propertyName)
{
    StringObject* thisObject = static_cast<StringObject*>(cell);
    if (propertyName == exec->propertyNames().length)
        return false;
    bool isStrictUInt32;
    unsigned i = propertyName.toUInt32(isStrictUInt32);
    if (isStrictUInt32 && thisObject->internalValue()->canGetIndex(i))
        return false;
    return JSObject::deleteProperty(thisObject, exec, propertyName);
}
示例#11
0
bool StringObject::deleteProperty(JSCell* cell, ExecState* exec, PropertyName propertyName)
{
    StringObject* thisObject = jsCast<StringObject*>(cell);
    if (propertyName == exec->propertyNames().length)
        return false;
    unsigned i = propertyName.asIndex();
    if (thisObject->internalValue()->canGetIndex(i)) {
        ASSERT(i != PropertyName::NotAnIndex); // No need for an explicit check, the above test would always fail!
        return false;
    }
    return JSObject::deleteProperty(thisObject, exec, propertyName);
}
示例#12
0
bool StringObject::defineOwnProperty(JSObject* object, ExecState* exec, PropertyName propertyName, PropertyDescriptor& descriptor, bool throwException)
{
    StringObject* thisObject = jsCast<StringObject*>(object);

    if (propertyName == exec->propertyNames().length) {
        if (!object->isExtensible()) {
            if (throwException)
                throwError(exec, createTypeError(exec, ASCIILiteral("Attempting to define property on object that is not extensible.")));
            return false;
        }
        if (descriptor.configurablePresent() && descriptor.configurable()) {
            if (throwException)
                throwError(exec, createTypeError(exec, ASCIILiteral("Attempting to configurable attribute of unconfigurable property.")));
            return false;
        }
        if (descriptor.enumerablePresent() && descriptor.enumerable()) {
            if (throwException)
                throwError(exec, createTypeError(exec, ASCIILiteral("Attempting to change enumerable attribute of unconfigurable property.")));
            return false;
        }
        if (descriptor.isAccessorDescriptor()) {
            if (throwException)
                throwError(exec, createTypeError(exec, ASCIILiteral("Attempting to change access mechanism for an unconfigurable property.")));
            return false;
        }
        if (descriptor.writablePresent() && descriptor.writable()) {
            if (throwException)
                throwError(exec, createTypeError(exec, ASCIILiteral("Attempting to change writable attribute of unconfigurable property.")));
            return false;
        }
        if (!descriptor.value())
            return true;
        if (propertyName == exec->propertyNames().length && sameValue(exec, descriptor.value(), jsNumber(thisObject->internalValue()->length())))
            return true;
        if (throwException)
            throwError(exec, createTypeError(exec, ASCIILiteral("Attempting to change value of a readonly property.")));
        return false;
    }

    return Base::defineOwnProperty(object, exec, propertyName, descriptor, throwException);
}