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C++ JSString::isStaticAtom方法代码示例

本文整理汇总了C++中JSString::isStaticAtom方法的典型用法代码示例。如果您正苦于以下问题:C++ JSString::isStaticAtom方法的具体用法?C++ JSString::isStaticAtom怎么用?C++ JSString::isStaticAtom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JSString的用法示例。


在下文中一共展示了JSString::isStaticAtom方法的1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: js_FindClassObject

bool
JSCompartment::wrap(JSContext *cx, Value *vp)
{
    JS_ASSERT(cx->compartment == this);

    uintN flags = 0;

    JS_CHECK_RECURSION(cx, return false);

    /* Only GC things have to be wrapped or copied. */
    if (!vp->isMarkable())
        return true;

    if (vp->isString()) {
        JSString *str = vp->toString();

        /* Static atoms do not have to be wrapped. */
        if (str->isStaticAtom())
            return true;

        /* If the string is already in this compartment, we are done. */
        if (str->compartment() == this)
            return true;

        /* If the string is an atom, we don't have to copy. */
        if (str->isAtom()) {
            JS_ASSERT(str->compartment() == cx->runtime->atomsCompartment);
            return true;
        }
    }

    /*
     * Wrappers should really be parented to the wrapped parent of the wrapped
     * object, but in that case a wrapped global object would have a NULL
     * parent without being a proper global object (JSCLASS_IS_GLOBAL). Instead,
     * we parent all wrappers to the global object in their home compartment.
     * This loses us some transparency, and is generally very cheesy.
     */
    JSObject *global;
    if (cx->hasfp()) {
        global = cx->fp()->scopeChain().getGlobal();
    } else {
        global = cx->globalObject;
        if (!NULLABLE_OBJ_TO_INNER_OBJECT(cx, global))
            return false;
    }

    /* Unwrap incoming objects. */
    if (vp->isObject()) {
        JSObject *obj = &vp->toObject();

        /* If the object is already in this compartment, we are done. */
        if (obj->compartment() == this)
            return true;

        /* Translate StopIteration singleton. */
        if (obj->isStopIteration())
            return js_FindClassObject(cx, NULL, JSProto_StopIteration, vp);

        /* Don't unwrap an outer window proxy. */
        if (!obj->getClass()->ext.innerObject) {
            obj = vp->toObject().unwrap(&flags);
            vp->setObject(*obj);
            if (obj->getCompartment() == this)
                return true;

            if (cx->runtime->preWrapObjectCallback) {
                obj = cx->runtime->preWrapObjectCallback(cx, global, obj, flags);
                if (!obj)
                    return false;
            }

            vp->setObject(*obj);
            if (obj->getCompartment() == this)
                return true;
        } else {
            if (cx->runtime->preWrapObjectCallback) {
                obj = cx->runtime->preWrapObjectCallback(cx, global, obj, flags);
                if (!obj)
                    return false;
            }

            JS_ASSERT(!obj->isWrapper() || obj->getClass()->ext.innerObject);
            vp->setObject(*obj);
        }

#ifdef DEBUG
        {
            JSObject *outer = obj;
            OBJ_TO_OUTER_OBJECT(cx, outer);
            JS_ASSERT(outer && outer == obj);
        }
#endif
    }

    /* If we already have a wrapper for this value, use it. */
    if (WrapperMap::Ptr p = crossCompartmentWrappers.lookup(*vp)) {
        *vp = p->value;
        if (vp->isObject()) {
            JSObject *obj = &vp->toObject();
//.........这里部分代码省略.........
开发者ID:mbrubeck,项目名称:mozilla-central,代码行数:101,代码来源:jscompartment.cpp


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