C++ PropertyNameArray类代码示例

void JSFunction::getOwnPropertyNames(ExecState* exec, PropertyNameArray& propertyNames, EnumerationMode mode)
{
    if (!isHostFunction() && (mode == IncludeDontEnumProperties)) {
        propertyNames.add(exec->propertyNames().arguments);
        propertyNames.add(exec->propertyNames().callee);
        propertyNames.add(exec->propertyNames().caller);
        propertyNames.add(exec->propertyNames().length);
    }
    Base::getOwnPropertyNames(exec, propertyNames, mode);
}

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);
}

void RuntimeArray::getOwnPropertyNames(ExecState* exec, PropertyNameArray& propertyNames, EnumerationMode mode)
{
    unsigned length = getLength();
    for (unsigned i = 0; i < length; ++i)
        propertyNames.add(Identifier::from(exec, i));

    if (mode == IncludeDontEnumProperties)
        propertyNames.add(exec->propertyNames().length);

    JSObject::getOwnPropertyNames(exec, propertyNames, mode);
}

void Arguments::getOwnPropertyNames(ExecState* exec, PropertyNameArray& propertyNames, EnumerationMode mode)
{
    for (unsigned i = 0; i < d->numArguments; ++i) {
        if (!d->deletedArguments || !d->deletedArguments[i])
            propertyNames.add(Identifier(exec, UString::number(i)));
    }
    if (mode == IncludeDontEnumProperties) {
        propertyNames.add(exec->propertyNames().callee);
        propertyNames.add(exec->propertyNames().length);
    }
    JSObject::getOwnPropertyNames(exec, propertyNames, mode);
}

void RuntimeArray::getOwnPropertyNames(JSObject* object, ExecState* exec, PropertyNameArray& propertyNames, EnumerationMode mode)
{
    RuntimeArray* thisObject = jsCast<RuntimeArray*>(object);
    unsigned length = thisObject->getLength();
    for (unsigned i = 0; i < length; ++i)
        propertyNames.add(Identifier::from(exec, i));

    if (mode.includeDontEnumProperties())
        propertyNames.add(exec->propertyNames().length);

    JSObject::getOwnPropertyNames(thisObject, exec, propertyNames, mode);
}

void JSTestEventTarget::getOwnPropertyNames(JSObject* object, ExecState* state, PropertyNameArray& propertyNames, EnumerationMode mode)
{
    auto* thisObject = jsCast<JSTestEventTarget*>(object);
    ASSERT_GC_OBJECT_INHERITS(thisObject, info());
    for (unsigned i = 0, count = thisObject->wrapped().length(); i < count; ++i)
        propertyNames.add(Identifier::from(state, i));
    if (mode.includeDontEnumProperties()) {
        for (auto& propertyName : thisObject->wrapped().supportedPropertyNames())
            propertyNames.add(Identifier::fromString(state, propertyName));
    }
    Base::getOwnPropertyNames(thisObject, state, propertyNames, mode);
}

void JSModuleEnvironment::getOwnNonIndexPropertyNames(JSObject* cell, ExecState* exec, PropertyNameArray& propertyNamesArray, EnumerationMode mode)
{
    JSModuleEnvironment* thisObject = jsCast<JSModuleEnvironment*>(cell);
    if (propertyNamesArray.includeStringProperties()) {
        for (const auto& pair : thisObject->moduleRecord()->importEntries()) {
            const JSModuleRecord::ImportEntry& importEntry = pair.value;
            if (!importEntry.isNamespace(exec->vm()))
                propertyNamesArray.add(importEntry.localName);
        }
    }
    return Base::getOwnNonIndexPropertyNames(thisObject, exec, propertyNamesArray, mode);
}

void Arguments::getOwnPropertyNames(JSObject* object, ExecState* exec, PropertyNameArray& propertyNames, EnumerationMode mode)
{
    Arguments* thisObject = jsCast<Arguments*>(object);
    for (unsigned i = 0; i < thisObject->d->numArguments; ++i) {
        if (!thisObject->d->deletedArguments || !thisObject->d->deletedArguments[i])
            propertyNames.add(Identifier(exec, UString::number(i)));
    }
    if (mode == IncludeDontEnumProperties) {
        propertyNames.add(exec->propertyNames().callee);
        propertyNames.add(exec->propertyNames().length);
    }
    JSObject::getOwnPropertyNames(thisObject, exec, propertyNames, mode);
}

void JSFunction::getOwnPropertyNames(ExecState* exec, PropertyNameArray& propertyNames, EnumerationMode mode)
{
    if (!isHostFunction() && (mode == IncludeDontEnumProperties)) {
        // Make sure prototype has been reified.
        PropertySlot slot;
        getOwnPropertySlotVirtual(exec, exec->propertyNames().prototype, slot);

        propertyNames.add(exec->propertyNames().arguments);
        propertyNames.add(exec->propertyNames().caller);
        propertyNames.add(exec->propertyNames().length);
    }
    Base::getOwnPropertyNames(exec, propertyNames, mode);
}

void JSArrayBufferView::getOwnNonIndexPropertyNames(
    JSObject* object, ExecState* exec, PropertyNameArray& array, EnumerationMode mode)
{
    JSArrayBufferView* thisObject = jsCast<JSArrayBufferView*>(object);
    
    // length/byteOffset/byteLength are DontEnum, at least in Firefox.
    if (mode == IncludeDontEnumProperties) {
        array.add(exec->propertyNames().byteOffset);
        array.add(exec->propertyNames().byteLength);
        array.add(exec->propertyNames().buffer);
    }
    
    Base::getOwnNonIndexPropertyNames(thisObject, exec, array, mode);
}

void Arguments::getOwnPropertyNames(JSObject* object, ExecState* exec, PropertyNameArray& propertyNames, EnumerationMode mode)
{
    Arguments* thisObject = jsCast<Arguments*>(object);
    for (unsigned i = 0; i < thisObject->m_numArguments; ++i) {
        if (!thisObject->isArgument(i))
            continue;
        propertyNames.add(Identifier::from(exec, i));
    }
    if (shouldIncludeDontEnumProperties(mode)) {
        propertyNames.add(exec->propertyNames().callee);
        propertyNames.add(exec->propertyNames().length);
    }
    JSObject::getOwnPropertyNames(thisObject, exec, propertyNames, mode);
}

void JSFunction::getOwnNonIndexPropertyNames(JSObject* object, ExecState* exec, PropertyNameArray& propertyNames, EnumerationMode mode)
{
    JSFunction* thisObject = jsCast<JSFunction*>(object);
    if (!thisObject->isHostOrBuiltinFunction() && mode.includeDontEnumProperties()) {
        VM& vm = exec->vm();
        // Make sure prototype has been reified.
        PropertySlot slot(thisObject);
        thisObject->methodTable(vm)->getOwnPropertySlot(thisObject, exec, vm.propertyNames->prototype, slot);

        propertyNames.add(vm.propertyNames->arguments);
        propertyNames.add(vm.propertyNames->caller);
        propertyNames.add(vm.propertyNames->length);
        propertyNames.add(vm.propertyNames->name);
    }
    Base::getOwnNonIndexPropertyNames(thisObject, exec, propertyNames, mode);
}

void StringObject::getOwnPropertyNames(ExecState* exec, PropertyNameArray& propertyNames, bool includeNonEnumerable)
{
    int size = internalValue()->value().size();
    for (int i = 0; i < size; ++i)
        propertyNames.add(Identifier(exec, UString::from(i)));
    return JSObject::getOwnPropertyNames(exec, propertyNames);
}

void StringObject::getPropertyNames(ExecState* exec, PropertyNameArray& propertyNames)
{
  int size = internalValue()->value().size();
  for (int i = 0; i < size; i++)
    propertyNames.add(Identifier(exec, UString::from(i)));
  return JSObject::getPropertyNames(exec, propertyNames);
}

void JSTouchList::getOwnPropertyNames(ExecState* exec, PropertyNameArray& propertyNames, EnumerationMode mode)
{
    ASSERT_GC_OBJECT_INHERITS(this, &s_info);
    for (unsigned i = 0; i < static_cast<TouchList*>(impl())->length(); ++i)
        propertyNames.add(Identifier::from(exec, i));
     Base::getOwnPropertyNames(exec, propertyNames, mode);
}