Add initial VLSI flow scripts

vlsi/example-vlsi

@@ -0,0 +1,36 @@
+#!/usr/bin/env python3
+
+import hammer_vlsi
+from hammer_vlsi import CLIDriver
+
+from typing import Dict, Callable, Optional
+
+def example_place_tap_cells(x: hammer_vlsi.HammerTool) -> bool:
+    x.append('''
+# TODO
+''')
+    return True
+
+class ExampleDriver(CLIDriver):
+
+    def action_map(self) -> Dict[str, Callable[[hammer_vlsi.HammerDriver, Callable[[str], None]], Optional[dict]]]:
+        par_action = self.create_par_action(custom_hooks=[
+            hammer_vlsi.HammerTool.make_replacement_hook("place_tap_cells", example_place_tap_cells)
+        ])
+
+        new_dict = dict(super().action_map())
+        new_dict.update({
+            "par": par_action
+        })
+        return new_dict
+
+    def par_action(self, driver: hammer_vlsi.HammerDriver, append_error_func: Callable[[str], None]) -> Optional[dict]:
+        if not driver.load_par_tool():
+            return None
+        success, par_output = driver.run_par(hook_actions=[
+            hammer_vlsi.HammerTool.make_replacement_hook("place_tap_cells", example_place_tap_cells)
+            ])
+        return par_output
+
+if __name__ == '__main__':
+    ExampleDriver().main()