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C++ Ptr::setTagged方法代码示例

本文整理汇总了C++中atomset::Ptr::setTagged方法的典型用法代码示例。如果您正苦于以下问题:C++ Ptr::setTagged方法的具体用法?C++ Ptr::setTagged怎么用?C++ Ptr::setTagged使用的例子?那么恭喜您, 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atomset::Ptr的用法示例。


在下文中一共展示了Ptr::setTagged方法的3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: lock

JSAtom *
js_AtomizeString(JSContext *cx, JSString *str, InternBehavior ib)
{
    if (str->isAtom()) {
        JSAtom &atom = str->asAtom();
        /* N.B. static atoms are effectively always interned. */
        if (ib != InternAtom || atom.isStaticAtom())
            return &atom;

        /* Here we have to check whether the atom is already interned. */
        AutoLockAtomsCompartment lock(cx);

        AtomSet &atoms = cx->runtime->atomState.atoms;
        AtomSet::Ptr p = atoms.lookup(AtomHasher::Lookup(&atom));
        JS_ASSERT(p); /* Non-static atom must exist in atom state set. */
        JS_ASSERT(p->asPtr() == &atom);
        JS_ASSERT(ib == InternAtom);
        p->setTagged(bool(ib));
        return &atom;
    }

    if (str->isAtom())
        return &str->asAtom();

    size_t length = str->length();
    const jschar *chars = str->getChars(cx);
    if (!chars)
        return NULL;

    JS_ASSERT(length <= JSString::MAX_LENGTH);
    return Atomize(cx, &chars, length, ib);
}
开发者ID:mozilla,项目名称:mozilla-history,代码行数:32,代码来源:jsatom.cpp

示例2: lookup

JSAtom *
js::AtomizeString(ExclusiveContext *cx, JSString *str,
                  js::InternBehavior ib /* = js::DoNotInternAtom */)
{
    if (str->isAtom()) {
        JSAtom &atom = str->asAtom();
        /* N.B. static atoms are effectively always interned. */
        if (ib != InternAtom || js::StaticStrings::isStatic(&atom))
            return &atom;

        AtomHasher::Lookup lookup(&atom);

        /* Likewise, permanent atoms are always interned. */
        AtomSet::Ptr p = cx->permanentAtoms().readonlyThreadsafeLookup(lookup);
        if (p)
            return &atom;

        AutoLockForExclusiveAccess lock(cx);

        p = cx->atoms().lookup(lookup);
        JS_ASSERT(p); /* Non-static atom must exist in atom state set. */
        JS_ASSERT(p->asPtr() == &atom);
        JS_ASSERT(ib == InternAtom);
        p->setTagged(bool(ib));
        return &atom;
    }

    const jschar *chars = str->getChars(cx);
    if (!chars)
        return nullptr;

    return AtomizeAndCopyChars(cx, chars, str->length(), ib);
}
开发者ID:JuannyWang,项目名称:gecko-dev,代码行数:33,代码来源:jsatom.cpp

示例3: lookup

JSAtom *
js::AtomizeString(ExclusiveContext *cx, JSString *str,
                  js::InternBehavior ib /* = js::DoNotInternAtom */)
{
    if (str->isAtom()) {
        JSAtom &atom = str->asAtom();
        /* N.B. static atoms are effectively always interned. */
        if (ib != InternAtom || js::StaticStrings::isStatic(&atom))
            return &atom;

        AtomHasher::Lookup lookup(&atom);

        /* Likewise, permanent atoms are always interned. */
        MOZ_ASSERT(cx->isPermanentAtomsInitialized());
        AtomSet::Ptr p = cx->permanentAtoms().readonlyThreadsafeLookup(lookup);
        if (p)
            return &atom;

        AutoLockForExclusiveAccess lock(cx);

        p = cx->atoms().lookup(lookup);
        MOZ_ASSERT(p); /* Non-static atom must exist in atom state set. */
        MOZ_ASSERT(p->asPtr() == &atom);
        MOZ_ASSERT(ib == InternAtom);
        p->setTagged(bool(ib));
        return &atom;
    }

    JSLinearString *linear = str->ensureLinear(cx);
    if (!linear)
        return nullptr;

    JS::AutoCheckCannotGC nogc;
    return linear->hasLatin1Chars()
           ? AtomizeAndCopyChars(cx, linear->latin1Chars(nogc), linear->length(), ib)
           : AtomizeAndCopyChars(cx, linear->twoByteChars(nogc), linear->length(), ib);
}
开发者ID:mmatyas,项目名称:mozjs,代码行数:37,代码来源:jsatom.cpp


注:本文中的atomset::Ptr::setTagged方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。