C++ (Cpp) Value::toGCThing示例

示例#1

文件： jscompartment.cpp 项目： BrunoReX/palemoon

bool
JSCompartment::putWrapper(const CrossCompartmentKey &wrapped, const js::Value &wrapper)
{
    JS_ASSERT(wrapped.wrapped);
    JS_ASSERT(!IsPoisonedPtr(wrapped.wrapped));
    JS_ASSERT(!IsPoisonedPtr(wrapped.debugger));
    JS_ASSERT(!IsPoisonedPtr(wrapper.toGCThing()));
    JS_ASSERT_IF(wrapped.kind == CrossCompartmentKey::StringWrapper, wrapper.isString());
    JS_ASSERT_IF(wrapped.kind != CrossCompartmentKey::StringWrapper, wrapper.isObject());
    return crossCompartmentWrappers.put(wrapped, wrapper);
}

示例#2

文件： jscompartment.cpp 项目： fatman2021/gecko-dev

bool
JSCompartment::putWrapper(JSContext *cx, const CrossCompartmentKey &wrapped, const js::Value &wrapper)
{
    MOZ_ASSERT(wrapped.wrapped);
    MOZ_ASSERT(!IsPoisonedPtr(wrapped.wrapped));
    MOZ_ASSERT(!IsPoisonedPtr(wrapped.debugger));
    MOZ_ASSERT(!IsPoisonedPtr(wrapper.toGCThing()));
    MOZ_ASSERT_IF(wrapped.kind == CrossCompartmentKey::StringWrapper, wrapper.isString());
    MOZ_ASSERT_IF(wrapped.kind != CrossCompartmentKey::StringWrapper, wrapper.isObject());
    bool success = crossCompartmentWrappers.put(wrapped, ReadBarriered<Value>(wrapper));

    /* There's no point allocating wrappers in the nursery since we will tenure them anyway. */
    MOZ_ASSERT(!IsInsideNursery(static_cast<gc::Cell *>(wrapper.toGCThing())));

    if (success && (IsInsideNursery(wrapped.wrapped) || IsInsideNursery(wrapped.debugger))) {
        WrapperMapRef ref(&crossCompartmentWrappers, wrapped);
        cx->runtime()->gc.storeBuffer.putGeneric(ref);
    }

    return success;
}

示例#3

bool
JSCompartment::putWrapper(const CrossCompartmentKey &wrapped, const js::Value &wrapper)
{
    JS_ASSERT(wrapped.wrapped);
    JS_ASSERT(!IsPoisonedPtr(wrapped.wrapped));
    JS_ASSERT(!IsPoisonedPtr(wrapped.debugger));
    JS_ASSERT(!IsPoisonedPtr(wrapper.toGCThing()));
    JS_ASSERT_IF(wrapped.kind == CrossCompartmentKey::StringWrapper, wrapper.isString());
    JS_ASSERT_IF(wrapped.kind != CrossCompartmentKey::StringWrapper, wrapper.isObject());
    // todo: uncomment when bug 815999 is fixed:
    // JS_ASSERT(!wrapped.wrapped->isMarked(gc::GRAY));
    return crossCompartmentWrappers.put(wrapped, wrapper);
}

示例#4

文件： jscompartment.cpp 项目： blue119/gecko-dev

bool
JSCompartment::putWrapper(JSContext *cx, const CrossCompartmentKey &wrapped, const js::Value &wrapper)
{
    JS_ASSERT(wrapped.wrapped);
    JS_ASSERT(!IsPoisonedPtr(wrapped.wrapped));
    JS_ASSERT(!IsPoisonedPtr(wrapped.debugger));
    JS_ASSERT(!IsPoisonedPtr(wrapper.toGCThing()));
    JS_ASSERT_IF(wrapped.kind == CrossCompartmentKey::StringWrapper, wrapper.isString());
    JS_ASSERT_IF(wrapped.kind != CrossCompartmentKey::StringWrapper, wrapper.isObject());
    bool success = crossCompartmentWrappers.put(wrapped, wrapper);

#ifdef JSGC_GENERATIONAL
    /* There's no point allocating wrappers in the nursery since we will tenure them anyway. */
    Nursery &nursery = cx->nursery();
    JS_ASSERT(!nursery.isInside(wrapper.toGCThing()));

    if (success && (nursery.isInside(wrapped.wrapped) || nursery.isInside(wrapped.debugger))) {
        WrapperMapRef ref(&crossCompartmentWrappers, wrapped);
        cx->runtime()->gcStoreBuffer.putGeneric(ref);
    }
#endif

    return success;
}

示例#5

文件： jscompartment.cpp 项目： carriercomm/gecko-dev

bool
JSCompartment::putWrapper(JSContext* cx, const CrossCompartmentKey& wrapped,
                          const js::Value& wrapper)
{
    MOZ_ASSERT(wrapped.is<JSString*>() == wrapper.isString());
    MOZ_ASSERT_IF(!wrapped.is<JSString*>(), wrapper.isObject());

    /* There's no point allocating wrappers in the nursery since we will tenure them anyway. */
    MOZ_ASSERT(!IsInsideNursery(static_cast<gc::Cell*>(wrapper.toGCThing())));

    if (!crossCompartmentWrappers.put(wrapped, ReadBarriered<Value>(wrapper))) {
        ReportOutOfMemory(cx);
        return false;
    }

    if (const_cast<CrossCompartmentKey&>(wrapped).applyToWrapped(IsInsideNurseryFunctor()) ||
        const_cast<CrossCompartmentKey&>(wrapped).applyToDebugger(IsInsideNurseryFunctor()))
    {
        WrapperMapRef ref(&crossCompartmentWrappers, wrapped);
        cx->runtime()->gc.storeBuffer.putGeneric(ref);
    }

    return true;
}