get_logic_cone

Get logic cone of nets or pins
Usage: $result = get_logic_cone(@InstancePinList, @options);
@InstancePinList: Instance/pin and net list. 
$result: 1, the command fails. 0, the command completed successfully
@options:
    -o file_name: Write output to the file. Default logic_cone.v

Examples:

my @InstPin = ('abc_reg/D', 'n12345');
my $ret = get_logic_cone(@InstPin, '-o', 'MyLogicCone.v');
# The logic cone is written out to verilog file 'MyLogicCone.v'