Method linkBack

tools/parser/block_processor.cpp:557–562

    }
    
    void linkBack(QueueStage &prevStage) {
        // Link the queue- and done-pointers for the previous queue to this object's variables
        prevStage.nextQueue = &inputQueue;
        prevStage.nextDone = &isDone;
        prevDone = &prevStage.isDone;
    }
    
    bool prevFinished() {
        assert(prevDone != nullptr);