createRawMainFunc(node);
rawInitSchedFunction(node); rawSteadySchedFunction(node);
    public void visitNode(FlatNode node)     {	if (node.isFilter()){	    createFields(node);	    convertCommExps((SIRFilter)node.contents);	    calculateItems((SIRFilter)node.contents);	    createRawMainFunc(node);	}    } 