from __future__ import absolute_import from __future__ import print_function import sys import os import collections # the next line can be removed after installation sys.path.insert(0, os.path.dirname(os.path.dirname(os.path.dirname(os.path.abspath(__file__))))) from veriloggen import * test_v = '''\ module test (); wire CLK, RST; adder u_adder ( .clk (CLK), .rst (RST), .A ( ) # Please pay attention to this line, as it will trigger a TypeError error, refer below. ); endmodule ''' def mkLed(): m = from_verilog.read_verilog_module_str(test_v) return m['test'] if __name__ == '__main__': test = mkLed() verilog = test.to_verilog() print(verilog) 

Traceback (most recent call last):
File "projects/user/work/python3/veriloggen-develop/examples/read_verilog_code/read_verilog_code.py", line 33, in
verilog = test.to_verilog()
File "projects/user/work/python3/veriloggen-develop/veriloggen/core/module.py", line 1019, in to_verilog
return to_verilog.write_verilog(obj, filename, for_verilator)
File "projects/user/work/python3/veriloggen-develop/veriloggen/verilog/to_verilog.py", line 20, in write_verilog
module_ast_list = [visitor.visit(mod) for mod in modules
File "projects/user/work/python3/veriloggen-develop/veriloggen/verilog/to_verilog.py", line 20, in
module_ast_list = [visitor.visit(mod) for mod in modules
File "projects/user/work/python3/veriloggen-develop/veriloggen/verilog/to_verilog.py", line 588, in visit
return self.visit_Module(node)
File "projects/user/work/python3/veriloggen-develop/veriloggen/verilog/to_verilog.py", line 611, in visit_Module
items = [self.visit(i) for i in node.items
File "projects/user/work/python3/veriloggen-develop/veriloggen/verilog/to_verilog.py", line 611, in
items = [self.visit(i) for i in node.items
File "projects/user/work/python3/veriloggen-develop/veriloggen/verilog/to_verilog.py", line 593, in visit
return visitor(node)
File "projects/user/work/python3/veriloggen-develop/veriloggen/verilog/to_verilog.py", line 770, in visit_Instance
portlist = [vast.PortArg(p, self.bind_visitor.visit(a))
File "projects/user/work/python3/veriloggen-develop/veriloggen/verilog/to_verilog.py", line 770, in
portlist = [vast.PortArg(p, self.bind_visitor.visit(a))
File "projects/user/work/python3/veriloggen-develop/veriloggen/verilog/to_verilog.py", line 54, in visit
return visitor(node)
File "projects/user/work/python3/veriloggen-develop/veriloggen/verilog/to_verilog.py", line 47, in generic_visit
raise TypeError("Type %s is not supported." % str(type(node)))
TypeError: Type <class 'NoneType'> is not supported.