In addition, you can use any Tcl command to do scripting. Current release is available here . This package links the Berkeley SIS package for logic synthesis. Current release is available here . Perllef This package links the Cadence LEF parser.
Current release is available here .
Tcllef This package links the Cadence LEF parser. Current release is available here . Basically, we use SWIG plus some native codes, scripts and tricks to make this possible. Our paper has more details. See the GNU General Public License for more details.