def main():
vm = VM()
try:
opts, args = getopt.getopt(
sys.argv[1:], "c:i:o:gh", ["codefile=", "inputfile=", "outputfile=", "debug", "help"]
)
except getopt.GetoptError as error:
print(error)
exit()
# Go through the options, initializing and configuring the vm.
for opt, arg in opts:
if opt in ("-h", "--help"):
exit()
elif opt in ("-c", "--codefile"):
try:
codeFile = open(arg, mode="rt", encoding="utf-8")
header = codeFile.readline()
if not vm.setLoader(header, codeFile):
print("The header of the file {} is not recognized:".format(arg))
print(header)
sys.exit(2)
transferHeader = codeFile.readline()
vm.setTransferStage(transferHeader)
except IOError as ioe:
print(ioe)
sys.exit(2)
elif opt in ("-i", "--inputfile"):
try:
vm.input = open(arg, mode="rt", encoding="utf-8")
except IOError as ioe:
print(ioe)
sys.exit(2)
elif opt in ("-o", "--outputfile"):
try:
vm.output = open(arg, mode="wb")
except IOError as ioe:
print(ioe)
sys.exit(2)
elif opt in ("-g", "--debug"):
vm.setDebugMode()
# If a code file isn't supplied, there won't be any loader so we end.
if vm.loader is None:
exit()
vm.run()
sys.exit(0)
