def parse_line(ln, file_name):
"""
Parse line and check if the line is arithmetic/logical operation or memory
access operation and send respectively to the appropriate function
to translate
:param ln: line from vm file to translate
:param file_name: the name of the vm file
:return: line translate to asm commands
"""
line = check_comment_in_line(ln)
parsed = line.split()
command = parsed[0]
if command == C_POP or command == C_PUSH: # memory access operation
return memory_access_command(parsed, file_name)
elif command == "label":
return Translator.write_label(parsed[1])
elif command == "goto":
return Translator.write_goto(parsed[1])
elif command == "if-goto":
return Translator.write_if(parsed[1])
elif command == "function":
return Translator.write_function(parsed[1], parsed[2])
elif command == "call":
return Translator.write_call(parsed[1], parsed[2])
elif command == "return":
return Translator.write_return()
else: # arithmetic/logical operation
return Translator.arithmetic_logical_command(command)
