def process_cell(c):
cellName = get_sexp_name(c)
cellOrigName = get_sexp_name(c, orig=True)
cellContents = get_sexp_list_contents(c)
thisCell = Cell(cellName, cellOrigName)
view = get_sexp_list(cellContents, "view")
# assume the first is netlist view
netlistView = view[0]
interface = get_sexp_unique_op(get_sexp_list_contents(netlistView),
"interface")
ports = get_sexp_list(interface[1:], "port")
contents = get_sexp_unique_op(get_sexp_list_contents(netlistView),
"contents")
if contents:
instances = get_sexp_list(contents[1:], "instance")
nets = get_sexp_list(contents[1:], "net")
else:
instances = []
nets = []
# add ports, from interface
for port in ports:
# a port may be an array
portName = get_sexp_name(port)
portContent = get_sexp_list_contents(port)
d = get_sexp_unique_op(portContent, "direction")
portDirection = get_sexp_name(d)
pNames = portName if isinstance(portName, list) else [portName]
for pName in pNames:
thisCell.add_port(name=pName, direction=portDirection)
# add contents if any
for inst in instances:
instName = get_sexp_name(inst)
# assume the fist is VIEW_NETLIST
instView = get_sexp_list_content(inst)
instCell = get_sexp_list_content(instView)
instLib = get_sexp_list_content(instCell)
viewRef = get_sexp_name(instView)
cellRef = get_sexp_name(instCell)
libRef = get_sexp_name(instLib)
thisCell.add_instance(name=instName,
libRef=libRef,
cellRef=cellRef,
viewRef=viewRef)
# add nets if any
for net in nets:
netName = get_sexp_name(net)
netConns = get_sexp_list_content(net)
netTerminals = get_sexp_list(netConns[1:], "portRef")
terms = [
Terminal(
get_sexp_name(t),
get_sexp_name(get_sexp_list_content(t))
if len(t) > 2 else None) for t in netTerminals
]
thisCell.add_net(name=netName, terminals=terms)
return thisCell
