C++ (Cpp) getOrCreateSavedFramePrototype示例

示例#1

文件： SavedStacks.cpp 项目： chenhequn/gecko

SavedFrame *
SavedStacks::createFrameFromLookup(JSContext *cx, SavedFrame::HandleLookup lookup)
{
    RootedObject proto(cx, getOrCreateSavedFramePrototype(cx));
    if (!proto)
        return nullptr;

    assertSameCompartment(cx, proto);

    RootedObject global(cx, cx->compartment()->maybeGlobal());
    if (!global)
        return nullptr;

    assertSameCompartment(cx, global);

    RootedObject frameObj(cx, NewObjectWithGivenProto(cx, &SavedFrame::class_, proto, global));
    if (!frameObj)
        return nullptr;

    RootedSavedFrame f(cx, &frameObj->as<SavedFrame>());
    f->initFromLookup(lookup);

    if (!JSObject::freeze(cx, frameObj))
        return nullptr;

    return f.get();
}

示例#2

文件： SavedStacks.cpp 项目： JasonGross/mozjs

SavedFrame *
SavedStacks::createFrameFromLookup(JSContext *cx, SavedFrame::Lookup &lookup)
{
    RootedObject proto(cx, getOrCreateSavedFramePrototype(cx));
    if (!proto)
        return nullptr;

    JS_ASSERT(proto->compartment() == cx->compartment());

    RootedObject global(cx, cx->compartment()->maybeGlobal());
    if (!global)
        return nullptr;

    JS_ASSERT(global->compartment() == cx->compartment());

    RootedObject frameObj(cx, NewObjectWithGivenProto(cx, &SavedFrame::class_, proto, global));
    if (!frameObj)
        return nullptr;

    SavedFrame &f = frameObj->as<SavedFrame>();
    f.initFromLookup(lookup);

    return &f;
}