C++ (Cpp) MaybeLocal::IsEmpty示例

示例#1

文件： V8CustomElementLifecycleCallbacks.cpp 项目： azureplus/chromium

static CustomElementLifecycleCallbacks::CallbackType flagSet(v8::MaybeLocal<v8::Function> attached, v8::MaybeLocal<v8::Function> detached, v8::MaybeLocal<v8::Function> attributeChanged)
{
    // V8 Custom Elements always run created to swizzle prototypes.
    int flags = CustomElementLifecycleCallbacks::CreatedCallback;

    if (!attached.IsEmpty())
        flags |= CustomElementLifecycleCallbacks::AttachedCallback;

    if (!detached.IsEmpty())
        flags |= CustomElementLifecycleCallbacks::DetachedCallback;

    if (!attributeChanged.IsEmpty())
        flags |= CustomElementLifecycleCallbacks::AttributeChangedCallback;

    return CustomElementLifecycleCallbacks::CallbackType(flags);
}

示例#2

文件： V8InjectedScriptHost.cpp 项目： astojilj/chromium-crosswalk

inline void v8SetReturnValue(const CallbackInfo& info, v8::MaybeLocal<S> maybe)
{
    if (LIKELY(!maybe.IsEmpty()))
        info.GetReturnValue().Set(maybe.ToLocalChecked());
}