Пример #1
0
static JSBool
fun_enumerate(JSContext *cx, HandleObject obj)
{
    JS_ASSERT(obj->isFunction());

    RootedId id(cx);
    bool found;

    if (!obj->isBoundFunction()) {
        id = NameToId(cx->runtime->atomState.classPrototypeAtom);
        if (!obj->hasProperty(cx, id, &found, JSRESOLVE_QUALIFIED))
            return false;
    }

    id = NameToId(cx->runtime->atomState.lengthAtom);
    if (!obj->hasProperty(cx, id, &found, JSRESOLVE_QUALIFIED))
        return false;

    id = NameToId(cx->runtime->atomState.nameAtom);
    if (!obj->hasProperty(cx, id, &found, JSRESOLVE_QUALIFIED))
        return false;

    for (unsigned i = 0; i < ArrayLength(poisonPillProps); i++) {
        const uint16_t offset = poisonPillProps[i];
        id = NameToId(OFFSET_TO_NAME(cx->runtime, offset));
        if (!obj->hasProperty(cx, id, &found, JSRESOLVE_QUALIFIED))
            return false;
    }

    return true;
}
Пример #2
0
bool
CreateThis(JSContext *cx, HandleObject callee, MutableHandleValue rval)
{
    rval.set(MagicValue(JS_IS_CONSTRUCTING));

    if (callee->isFunction()) {
        JSFunction *fun = callee->toFunction();
        if (fun->isInterpreted())
            rval.set(ObjectValue(*js_CreateThisForFunction(cx, callee, false)));
    }

    return true;
}
Пример #3
0
bool
CreateThis(JSContext *cx, HandleObject callee, MutableHandleValue rval)
{
    rval.set(MagicValue(JS_IS_CONSTRUCTING));

    if (callee->isFunction()) {
        JSFunction *fun = callee->toFunction();
        if (fun->isInterpreted()) {
            JSScript *script = fun->getOrCreateScript(cx);
            if (!script || !script->ensureHasTypes(cx))
                return false;
            rval.set(ObjectValue(*CreateThisForFunction(cx, callee, false)));
        }
    }

    return true;
}
Пример #4
0
static RawObject
CloneObject(JSContext *cx, HandleObject srcObj, CloneMemory &clonedObjects)
{
    CloneMemory::AddPtr p = clonedObjects.lookupForAdd(srcObj.get());
    if (p)
        return p->value;
    RootedObject clone(cx);
    if (srcObj->isFunction()) {
        RootedFunction fun(cx, srcObj->toFunction());
        clone = CloneFunctionObject(cx, fun, cx->global(), fun->getAllocKind());
    } else if (srcObj->isRegExp()) {
        RegExpObject &reobj = srcObj->asRegExp();
        RootedAtom source(cx, reobj.getSource());
        clone = RegExpObject::createNoStatics(cx, source, reobj.getFlags(), NULL);
    } else if (srcObj->isDate()) {
        clone = JS_NewDateObjectMsec(cx, srcObj->getDateUTCTime().toNumber());
    } else if (srcObj->isBoolean()) {
        clone = BooleanObject::create(cx, srcObj->asBoolean().unbox());
    } else if (srcObj->isNumber()) {
        clone = NumberObject::create(cx, srcObj->asNumber().unbox());
    } else if (srcObj->isString()) {
        Rooted<JSStableString*> str(cx, srcObj->asString().unbox()->ensureStable(cx));
        if (!str)
            return NULL;
        str = js_NewStringCopyN(cx, str->chars().get(), str->length())->ensureStable(cx);
        if (!str)
            return NULL;
        clone = StringObject::create(cx, str);
    } else if (srcObj->isDenseArray()) {
        return CloneDenseArray(cx, srcObj, clonedObjects);
    } else {
        if (srcObj->isArray()) {
            clone = NewDenseEmptyArray(cx);
        } else {
            JS_ASSERT(srcObj->isNative());
            clone = NewObjectWithClassProto(cx, srcObj->getClass(), NULL, cx->global(),
                                            srcObj->getAllocKind());
        }
    }
    if (!clone || !clonedObjects.relookupOrAdd(p, srcObj.get(), clone.get()) ||
        !CloneProperties(cx, srcObj, clone, clonedObjects))
    {
        return NULL;
    }
    return clone;
}