Method markRange

src/simulate/simulate_gc.cpp:256–265

            currentRange.clear();
        }
        bool markRange ( const PtrRange & r ) {
            if ( currentRange.empty() ) return true;
            if ( currentRange.contains(r) ) return false;
            if ( heapOnly ) {
                int ssize = int(r.to-r.from);
                ssize = (ssize + 15) & ~15;
                return context->heap->isOwnPtr(r.from, ssize);
            }
            return true;
        }
        void pushRange ( const PtrRange & rdata ) {
            ptrRangeStack.push_back(currentRange);
            currentRange = rdata;