Method preVisit

src/simulate/simulate_fusion.cpp:175–178

    struct SimNodeCollector : SimVisitor {
        virtual void preVisit ( SimNode * node ) override {
            SimVisitor::preVisit(node);
            thisNode = node;
        }
        virtual void op ( const char * name, uint32_t typeSize, const string & typeName ) override {
            SimNodeInfo ni;
            ni.name = name;