Exemplo n.º 1
0
bool
WatchpointMap::triggerWatchpoint(JSContext* cx, HandleObject obj, HandleId id, MutableHandleValue vp)
{
    Map::Ptr p = map.lookup(WatchKey(obj, id));
    if (!p || p->value().held)
        return true;

    AutoEntryHolder holder(cx, map, p);

    /* Copy the entry, since GC would invalidate p. */
    JSWatchPointHandler handler = p->value().handler;
    RootedObject closure(cx, p->value().closure);

    /* Determine the property's old value. */
    Value old;
    old.setUndefined();
    if (obj->isNative()) {
        NativeObject* nobj = &obj->as<NativeObject>();
        if (Shape* shape = nobj->lookup(cx, id)) {
            if (shape->hasSlot())
                old = nobj->getSlot(shape->slot());
        }
    }

    // Read barrier to prevent an incorrectly gray closure from escaping the
    // watchpoint. See the comment before UnmarkGrayChildren in gc/Marking.cpp
    JS::ExposeObjectToActiveJS(closure);

    /* Call the handler. */
    return handler(cx, obj, id, old, vp.address(), closure);
}
Exemplo n.º 2
0
void
InnerViewTable::sweepAfterMinorGC(JSRuntime* rt)
{
    MOZ_ASSERT(needsSweepAfterMinorGC());

    if (nurseryKeysValid) {
        for (size_t i = 0; i < nurseryKeys.length(); i++) {
            JSObject* key = nurseryKeys[i];
            Map::Ptr p = map.lookup(key);
            if (!p)
                continue;

            if (sweepEntry(&key, p->value()))
                map.remove(nurseryKeys[i]);
            else
                map.rekeyIfMoved(nurseryKeys[i], key);
        }
        nurseryKeys.clear();
    } else {
        // Do the required sweeping by looking at every map entry.
        nurseryKeys.clear();
        sweep(rt);

        nurseryKeysValid = true;
    }
}
Exemplo n.º 3
0
TEST(GTestMap, TestClear) {
    Map::Ptr m = Map::create();
    String::CPtr x = String::create("x");
    String::CPtr y = String::create("y");
    m->put(x, 123);
    m->put(y, 456);
    m->put(String::null(), UNDEFINED);
    m->clear();
    ASSERT_TRUE(m->isEmpty());
}
Exemplo n.º 4
0
InnerViewTable::ViewVector*
InnerViewTable::maybeViewsUnbarriered(ArrayBufferObject* buffer)
{
    if (!map.initialized())
        return nullptr;

    Map::Ptr p = map.lookup(buffer);
    if (p)
        return &p->value();
    return nullptr;
}
Exemplo n.º 5
0
TEST(GTestMap, TestEntrySet) {
    Map::Ptr m = Map::create();
    String::CPtr x = String::create("x");
    String::CPtr y = String::create("y");
    m->put(x, 123);
    m->put(y, 456);

    TypedSet<Map::Entry::CPtr>::CPtr es = m->entrySet();

    // iterator
    Iterator::Ptr i = es->iterator();
    ASSERT_TRUE(i->hasNext());
    Map::Entry::CPtr e1 = toCPtr<Map::Entry>(i->next());
    Value key1 = e1->getKey();
    Value val1 = e1->getValue();
    ASSERT_TRUE(key1.equals(x) || key1.equals(y));
    ASSERT_TRUE(val1.equals(123) || val1.equals(456));

    ASSERT_TRUE(i->hasNext());
    Map::Entry::CPtr e2 = toCPtr<Map::Entry>(i->next());
    Value key2 = e2->getKey();
    Value val2 = e2->getValue();
    ASSERT_FALSE(key2.equals(key1));
    ASSERT_FALSE(val2.equals(val1));
    ASSERT_TRUE(key2.equals(x) || key2.equals(y));
    ASSERT_TRUE(val2.equals(123) || val2.equals(456));

    // reuse Map::Entry for better performance
    ASSERT_EQ(e1, e2);
    ASSERT_FALSE(i->hasNext());

    // iteratorTyped
    TypedIterator<Map::Entry::CPtr>::Ptr ti = es->iteratorTyped();
    ASSERT_TRUE(ti->hasNext());
    e1 = ti->next();
    key1 = e1->getKey();
    val1 = e1->getValue();
    ASSERT_TRUE(key1.equals(x) || key1.equals(y));
    ASSERT_TRUE(val1.equals(123) || val1.equals(456));

    ASSERT_TRUE(ti->hasNext());
    e2 = ti->next();
    key2 = e2->getKey();
    val2 = e2->getValue();
    ASSERT_FALSE(key2.equals(key1));
    ASSERT_FALSE(val2.equals(val1));
    ASSERT_TRUE(key2.equals(x) || key2.equals(y));
    ASSERT_TRUE(val2.equals(123) || val2.equals(456));

    // reuse Map::Entry for better performance
    ASSERT_EQ(e1, e2);
    ASSERT_FALSE(ti->hasNext());
}
Exemplo n.º 6
0
TEST(GTestMap, TestKeySet) {
    Map::Ptr m = Map::create();
    String::CPtr x = String::create("x");
    String::CPtr y = String::create("y");
    m->put(x, 123);
    m->put(y, 456);

    Set::CPtr ks = m->keySet();
    Iterator::Ptr itr = ks->iterator();
    ASSERT_TRUE(itr->hasNext());
    String::CPtr v1 = toCPtr<String>(itr->next());
    ASSERT_TRUE(v1->equals(x) || v1->equals(y));
    ASSERT_TRUE(itr->hasNext());
    String::CPtr v2 = toCPtr<String>(itr->next());
    ASSERT_TRUE(!v1->equals(v2) && (v2->equals(x) || v2->equals(y)));
    ASSERT_FALSE(itr->hasNext());
}
Exemplo n.º 7
0
TEST(GTestMap, TestContainsKey) {
    Map::Ptr m = Map::create();
    String::CPtr x = String::create("x");
    String::CPtr y = String::create("y");
    m->put(x, 123);
    ASSERT_TRUE(m->containsKey(x));
    ASSERT_FALSE(m->containsKey(y));
    ASSERT_FALSE(m->containsKey(String::null()));

    m->put(String::null(), 456);
    ASSERT_TRUE(m->containsKey(String::null()));

    m->put(UNDEFINED, 789);
    ASSERT_TRUE(m->containsKey(UNDEFINED));
}
Exemplo n.º 8
0
TEST(GTestMap, TestPutAndGet2) {
    Map::Ptr m = Map::create();
    ASSERT_TRUE(m->put(String::null(), 123).isUndefined());
    ASSERT_TRUE(m->get(String::null()).equals(123));
    ASSERT_TRUE(m->get(Map::null()).equals(123));

    ASSERT_TRUE(m->put(Map::null(), String::null()).equals(123));
    ASSERT_TRUE(m->get(String::null()).equals(Map::null()));

    ASSERT_TRUE(m->put(UNDEFINED, UNDEFINED).isUndefined());
    ASSERT_TRUE(m->get(UNDEFINED).isUndefined());
}
Exemplo n.º 9
0
TEST(GTestMap, TestContainsValue) {
    Map::Ptr m = Map::create();
    String::CPtr x = String::create("x");
    String::CPtr y = String::create("y");
    String::CPtr z = String::create("z");
    m->put(x, 123);
    ASSERT_TRUE(m->containsValue(123));
    ASSERT_FALSE(m->containsValue(456));
    ASSERT_FALSE(m->containsValue(String::null()));

    m->put(y, String::null());
    ASSERT_TRUE(m->containsValue(String::null()));

    m->put(z, UNDEFINED);
    ASSERT_TRUE(m->containsValue(UNDEFINED));
}
Exemplo n.º 10
0
TEST(GTestMap, TestPutAndGet) {
    Map::Ptr m = Map::create();
    String::CPtr x = String::create("x");
    ASSERT_TRUE(m->put(x, 123).isUndefined());
    ASSERT_TRUE(m->get(x).equals(123));
    ASSERT_TRUE(m->get(String::create("x")).equals(123));

    ASSERT_TRUE(m->put(x, 456).equals(123));
    ASSERT_TRUE(m->get(x).equals(456));
    ASSERT_TRUE(m->get(String::intern("x")).equals(456));
}
Exemplo n.º 11
0
void
InnerViewTable::sweepAfterMinorGC()
{
    MOZ_ASSERT(needsSweepAfterMinorGC());

    if (nurseryKeysValid) {
        for (size_t i = 0; i < nurseryKeys.length(); i++) {
            JSObject* buffer = MaybeForwarded(nurseryKeys[i]);
            Map::Ptr p = map.lookup(buffer);
            if (!p)
                continue;

            if (sweepEntry(&p->mutableKey(), p->value()))
                map.remove(buffer);
        }
        nurseryKeys.clear();
    } else {
        // Do the required sweeping by looking at every map entry.
        nurseryKeys.clear();
        sweep();

        nurseryKeysValid = true;
    }
}
Exemplo n.º 12
0
    void deallocateSigId(const Sig& sig, const void* sigId) {
        Map::Ptr p = map_.lookup(sig);
        MOZ_RELEASE_ASSERT(p && p->key() == sigId && p->value() > 0);

        p->value()--;
        if (!p->value()) {
            js_delete(p->key());
            map_.remove(p);
        }
    }
Exemplo n.º 13
0
TEST(GTestMap, TestToString) {
    Map::Ptr m = Map::create();
    ASSERT_TRUE(m->toString()->equals(String::create("{}")));

    String::CPtr x = String::create("x");
    String::CPtr y = String::create("y");
    String::CPtr z = String::create("z");
    m->put(x, 123);
    m->put(y, String::null());
    m->put(String::null(), z);
    m->put(UNDEFINED, UNDEFINED);
    ASSERT_TRUE(m->toString()->equals(
        String::create("{undefined=undefined, null=z, x=123, y=null}")));
}
Exemplo n.º 14
0
TEST(GTestMap, TestSize) {
    Map::Ptr m = Map::create();
    m->put(String::create("x"), 123);
    ASSERT_EQ(1, m->size());
    m->put(String::create("y"), 456);
    ASSERT_EQ(2, m->size());
    m->put(123, String::create("x"));
    ASSERT_EQ(3, m->size());
    m->put(456, String::create("y"));
    ASSERT_EQ(4, m->size());
    m->put(Object::null(), String::null());
    ASSERT_EQ(5, m->size());
    m->put(UNDEFINED, UNDEFINED);
    ASSERT_EQ(6, m->size());
}
Exemplo n.º 15
0
TEST(GTestMap, TestRemove) {
    Map::Ptr m = Map::create();
    String::CPtr x = String::create("x");
    String::CPtr y = String::create("y");
    String::CPtr z = String::create("z");
    m->put(x, 123);
    m->put(y, String::null());
    m->put(String::null(), z);
    m->put(UNDEFINED, UNDEFINED);
    ASSERT_EQ(4, m->size());
    ASSERT_TRUE(m->remove(x).equals(123));
    ASSERT_EQ(3, m->size());
    ASSERT_TRUE(m->remove(y).equals(String::null()));
    ASSERT_EQ(2, m->size());
    ASSERT_TRUE(m->remove(String::null()).equals(z));
    ASSERT_EQ(1, m->size());
    ASSERT_TRUE(m->remove(UNDEFINED).isUndefined());
    ASSERT_TRUE(m->isEmpty());
}
Exemplo n.º 16
0
TEST(GTestMap, TestInstanceOf) {
    Map::Ptr m = Map::create();
    ASSERT_TRUE(m->instanceof(Type<Map>::id()));
    ASSERT_TRUE(m->instanceof(Type<Mutable>::id()));
    ASSERT_TRUE(m->instanceof(Type<Object>::id()));
}