C++ ObjectValueMap::init方法代码示例

本文整理汇总了C++中ObjectValueMap::init方法的典型用法代码示例。如果您正苦于以下问题：C++ ObjectValueMap::init方法的具体用法？C++ ObjectValueMap::init怎么用？C++ ObjectValueMap::init使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类ObjectValueMap的用法示例。

在下文中一共展示了ObjectValueMap::init方法的5个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: key

JS_ALWAYS_INLINE bool
WeakMap_set_impl(JSContext *cx, CallArgs args)
{
    JS_ASSERT(IsWeakMap(args.thisv()));

    if (args.length() < 1) {
        JS_ReportErrorNumber(cx, js_GetErrorMessage, NULL, JSMSG_MORE_ARGS_NEEDED,
                             "WeakMap.set", "0", "s");
        return false;
    }
    RootedObject key(cx, GetKeyArg(cx, args));
    if (!key)
        return false;

    Value value = (args.length() > 1) ? args[1] : UndefinedValue();

    Rooted<JSObject*> thisObj(cx, &args.thisv().toObject());
    ObjectValueMap *map = GetObjectMap(thisObj);
    if (!map) {
        map = cx->new_<ObjectValueMap>(cx, thisObj.get());
        if (!map->init()) {
            js_delete(map);
            JS_ReportOutOfMemory(cx);
            return false;
        }
        thisObj->setPrivate(map);
    }

    // Preserve wrapped native keys to prevent wrapper optimization.
    if (key->getClass()->ext.isWrappedNative ||
        (key->getClass()->flags & JSCLASS_IS_DOMJSCLASS) ||
        (key->isProxy() && GetProxyHandler(key)->family() == GetListBaseHandlerFamily()))
    {
        JS_ASSERT(cx->runtime->preserveWrapperCallback);
        if (!cx->runtime->preserveWrapperCallback(cx, key)) {
            JS_ReportErrorNumber(cx, js_GetErrorMessage, NULL, JSMSG_BAD_WEAKMAP_KEY);
            return false;
        }
    }

    JS_ASSERT(key->compartment() == thisObj->compartment());
    JS_ASSERT_IF(value.isObject(), value.toObject().compartment() == thisObj->compartment());
    if (!map->put(key, value)) {
        JS_ReportOutOfMemory(cx);
        return false;
    }
    HashTableWriteBarrierPost(cx->compartment, map, key);

    args.rval().setUndefined();
    return true;
}

开发者ID:kjozwiak，项目名称:mozilla-central，代码行数:51，代码来源:jsweakmap.cpp

示例2: key

MOZ_ALWAYS_INLINE bool
WeakMap_set_impl(JSContext *cx, CallArgs args)
{
    JS_ASSERT(IsWeakMap(args.thisv()));

    if (args.length() < 1) {
        JS_ReportErrorNumber(cx, js_GetErrorMessage, nullptr, JSMSG_MORE_ARGS_NEEDED,
                             "WeakMap.set", "0", "s");
        return false;
    }
    RootedObject key(cx, GetKeyArg(cx, args));
    if (!key)
        return false;

    RootedValue value(cx, (args.length() > 1) ? args[1] : UndefinedValue());

    Rooted<JSObject*> thisObj(cx, &args.thisv().toObject());
    ObjectValueMap *map = thisObj->as<WeakMapObject>().getMap();
    if (!map) {
        map = cx->new_<ObjectValueMap>(cx, thisObj.get());
        if (!map->init()) {
            js_delete(map);
            JS_ReportOutOfMemory(cx);
            return false;
        }
        thisObj->setPrivate(map);
    }

    // Preserve wrapped native keys to prevent wrapper optimization.
    if (!TryPreserveReflector(cx, key))
        return false;

    if (JSWeakmapKeyDelegateOp op = key->getClass()->ext.weakmapKeyDelegateOp) {
        RootedObject delegate(cx, op(key));
        if (delegate && !TryPreserveReflector(cx, delegate))
            return false;
    }

    JS_ASSERT(key->compartment() == thisObj->compartment());
    JS_ASSERT_IF(value.isObject(), value.toObject().compartment() == thisObj->compartment());
    if (!map->put(key, value)) {
        JS_ReportOutOfMemory(cx);
        return false;
    }
    WeakMapPostWriteBarrier(cx->runtime(), map, key.get());

    args.rval().setUndefined();
    return true;
}

开发者ID:，项目名称:，代码行数:49，代码来源:

示例3: CallArgsFromVp

static JSBool
WeakMap_set(JSContext *cx, unsigned argc, Value *vp)
{
    CallArgs args = CallArgsFromVp(argc, vp);

    bool ok;
    JSObject *obj = NonGenericMethodGuard(cx, args, WeakMap_set, &WeakMapClass, &ok);
    if (!obj)
        return ok;

    if (args.length() < 1) {
        JS_ReportErrorNumber(cx, js_GetErrorMessage, NULL, JSMSG_MORE_ARGS_NEEDED,
                             "WeakMap.set", "0", "s");
        return false;
    }
    JSObject *key = GetKeyArg(cx, args);
    if (!key)
        return false;

    Value value = (args.length() > 1) ? args[1] : UndefinedValue();

    ObjectValueMap *map = GetObjectMap(obj);
    if (!map) {
        map = cx->new_<ObjectValueMap>(cx, obj);
        if (!map->init()) {
            cx->delete_(map);
            goto out_of_memory;
        }
        obj->setPrivate(map);
    }

    if (!map->put(key, value))
        goto out_of_memory;

    // Preserve wrapped native keys to prevent wrapper optimization.
    if (key->getClass()->ext.isWrappedNative) {
        if (!cx->runtime->preserveWrapperCallback ||
            !cx->runtime->preserveWrapperCallback(cx, key)) {
            JS_ReportWarning(cx, "Failed to preserve wrapper of wrapped native weak map key.");
        }
    }

    args.rval().setUndefined();
    return true;

  out_of_memory:
    JS_ReportOutOfMemory(cx);
    return false;
}

开发者ID:，项目名称:，代码行数:49，代码来源:

示例4: GetKeyArg

static bool
WeakMap_set_impl(JSContext *cx, CallArgs args)
{
    JS_ASSERT(IsWeakMap(args.thisv()));

    if (args.length() < 1) {
        JS_ReportErrorNumber(cx, js_GetErrorMessage, NULL, JSMSG_MORE_ARGS_NEEDED,
                             "WeakMap.set", "0", "s");
        return false;
    }
    JSObject *key = GetKeyArg(cx, args);
    if (!key)
        return false;

    Value value = (args.length() > 1) ? args[1] : UndefinedValue();

    Rooted<JSObject*> thisObj(cx, &args.thisv().toObject());
    ObjectValueMap *map = GetObjectMap(thisObj);
    if (!map) {
        map = cx->new_<ObjectValueMap>(cx, thisObj.get());
        if (!map->init()) {
            cx->delete_(map);
            JS_ReportOutOfMemory(cx);
            return false;
        }
        thisObj->setPrivate(map);
    }

    if (!map->put(key, value)) {
        JS_ReportOutOfMemory(cx);
        return false;
    }

    // Preserve wrapped native keys to prevent wrapper optimization.
    if (key->getClass()->ext.isWrappedNative) {
        if (!cx->runtime->preserveWrapperCallback ||
            !cx->runtime->preserveWrapperCallback(cx, key)) {
            JS_ReportWarning(cx, "Failed to preserve wrapper of wrapped native weak map key.");
        }
    }

    args.rval().setUndefined();
    return true;
}

开发者ID:，项目名称:，代码行数:44，代码来源:

示例5: delegate

MOZ_ALWAYS_INLINE bool
SetWeakMapEntryInternal(JSContext *cx, Handle<WeakMapObject*> mapObj,
                        HandleObject key, HandleValue value)
{
    ObjectValueMap *map = mapObj->getMap();
    if (!map) {
        map = cx->new_<ObjectValueMap>(cx, mapObj.get());
        if (!map)
            return false;
        if (!map->init()) {
            js_delete(map);
            JS_ReportOutOfMemory(cx);
            return false;
        }
        mapObj->setPrivate(map);
    }

    // Preserve wrapped native keys to prevent wrapper optimization.
    if (!TryPreserveReflector(cx, key))
        return false;

    if (JSWeakmapKeyDelegateOp op = key->getClass()->ext.weakmapKeyDelegateOp) {
        RootedObject delegate(cx, op(key));
        if (delegate && !TryPreserveReflector(cx, delegate))
            return false;
    }

    JS_ASSERT(key->compartment() == mapObj->compartment());
    JS_ASSERT_IF(value.isObject(), value.toObject().compartment() == mapObj->compartment());
    if (!map->put(key, value)) {
        JS_ReportOutOfMemory(cx);
        return false;
    }
    WeakMapPostWriteBarrier(cx->runtime(), map, key.get());
    return true;
}

开发者ID:micadeyeye，项目名称:gecko-dev，代码行数:36，代码来源:jsweakmap.cpp

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