Application form of and demand for an IC chip formed with a silicon wafer are expected to increase, and further reduction in cost is required. The second area differs from the first area. The injector includes a plurality of apertures through which the gaseous reductant is injected into an exhaust gas stream. A developer of an application is allowed to associate the rule template icon with the data object icon and, as a result of the association of the rule template icon with the data object icon, the rule template is instantiated with the data object.