C++ (Cpp) mozilla::ArrayEnd Examples

Example #1

File: jsatom.cpp Project: mmatyas/mozjs

bool
js::IndexToIdSlow(ExclusiveContext *cx, uint32_t index, MutableHandleId idp)
{
    MOZ_ASSERT(index > JSID_INT_MAX);

    char16_t buf[UINT32_CHAR_BUFFER_LENGTH];
    RangedPtr<char16_t> end(ArrayEnd(buf), buf, ArrayEnd(buf));
    RangedPtr<char16_t> start = BackfillIndexInCharBuffer(index, end);

    JSAtom *atom = AtomizeChars(cx, start.get(), end - start);
    if (!atom)
        return false;

    idp.set(JSID_FROM_BITS((size_t)atom));
    return true;
}

Example #2

bool
js::IndexToIdSlow(JSContext *cx, uint32_t index,
                  typename MaybeRooted<jsid, allowGC>::MutableHandleType idp)
{
    JS_ASSERT(index > JSID_INT_MAX);

    jschar buf[UINT32_CHAR_BUFFER_LENGTH];
    RangedPtr<jschar> end(ArrayEnd(buf), buf, ArrayEnd(buf));
    RangedPtr<jschar> start = BackfillIndexInCharBuffer(index, end);

    JSAtom *atom = AtomizeChars<allowGC>(cx, start.get(), end - start);
    if (!atom)
        return false;

    idp.set(JSID_FROM_BITS((size_t)atom));
    return true;
}

Example #3

File: RootMarking.cpp Project: gw280/gecko-dev

static JS_NEVER_INLINE void
MarkConservativeStackRoots(JSTracer *trc, bool useSavedRoots)
{
    JSRuntime *rt = trc->runtime;

#ifdef DEBUG
    if (useSavedRoots) {
        for (PerThreadData::SavedGCRoot *root = rt->mainThread.gcSavedRoots.begin();
             root != rt->mainThread.gcSavedRoots.end();
             root++)
        {
            JS_SET_TRACING_NAME(trc, "cstack");
            MarkKind(trc, &root->thing, root->kind);
        }
        return;
    }

    if (rt->gcIncrementalState == MARK_ROOTS)
        rt->mainThread.gcSavedRoots.clearAndFree();
#endif

    ConservativeGCData *cgcd = &rt->conservativeGC;
    if (!cgcd->hasStackToScan()) {
#ifdef JS_THREADSAFE
        JS_ASSERT(!rt->requestDepth);
#endif
        return;
    }

    uintptr_t *stackMin, *stackEnd;
#if JS_STACK_GROWTH_DIRECTION > 0
    stackMin = rt->nativeStackBase;
    stackEnd = cgcd->nativeStackTop;
#else
    stackMin = cgcd->nativeStackTop + 1;
    stackEnd = reinterpret_cast<uintptr_t *>(rt->nativeStackBase);
#endif

    JS_ASSERT(stackMin <= stackEnd);
    MarkRangeConservativelyAndSkipIon(trc, rt, stackMin, stackEnd);
    MarkRangeConservatively(trc, cgcd->registerSnapshot.words,
                            ArrayEnd(cgcd->registerSnapshot.words));
}

Example #4

File: RootMarking.cpp Project: franzks/gecko-dev

MOZ_NEVER_INLINE void
gc::GCRuntime::markConservativeStackRoots(JSTracer *trc, bool useSavedRoots)
{
#ifdef DEBUG
    if (useSavedRoots) {
        for (PerThreadData::SavedGCRoot *root = rt->mainThread.gcSavedRoots.begin();
             root != rt->mainThread.gcSavedRoots.end();
             root++)
        {
            trc->setTracingName("cstack");
            MarkKind(trc, &root->thing, root->kind);
        }
        return;
    }

    if (incrementalState == MARK_ROOTS)
        rt->mainThread.gcSavedRoots.clearAndFree();
#endif

    if (!conservativeGC.hasStackToScan()) {
#ifdef JS_THREADSAFE
        JS_ASSERT(!rt->requestDepth);
#endif
        return;
    }

    uintptr_t *stackMin, *stackEnd;
#if JS_STACK_GROWTH_DIRECTION > 0
    stackMin = reinterpret_cast<uintptr_t *>(rt->nativeStackBase);
    stackEnd = conservativeGC.nativeStackTop;
#else
    stackMin = conservativeGC.nativeStackTop + 1;
    stackEnd = reinterpret_cast<uintptr_t *>(rt->nativeStackBase);
#endif

    JS_ASSERT(stackMin <= stackEnd);
    MarkRangeConservativelyAndSkipIon(trc, rt, stackMin, stackEnd);
    MarkRangeConservatively(trc, conservativeGC.registerSnapshot.words,
                            ArrayEnd(conservativeGC.registerSnapshot.words));
}