3. The method of claim 1 , wherein the step of creating the data structure of the power domain hierarchy according to the power intent description contents and the hardware design description contents respectively retrieved from the power intent description file and the hardware design description file further comprises: analyzing the power intent description contents to determine one or more power domain relationships between a plurality of power domains in the data structure of the power domain hierarchy.
5. The method of claim 3 , wherein the step of analyzing the power intent description contents to determine the one or more power domain relationships between the plurality of power domains in the data structure of the power domain hierarchy further comprises: based on the power intent description contents retrieved from the power intent description file, determining a power domain of the plurality of power domains to be above any other power domain of the plurality of power domains in the data structure of the power domain hierarchy.