def main():
if len(sys.argv) != 3:
print(len(sys.argv)-1, "is an incorrect amount of arguments.", end='')
exit("")
# Check both files
if check_file_extension(sys.argv[1], 1) == True:
if check_file_extension(sys.argv[2], 2) == True:
parser.process_file(sys.argv[1], sys.argv[2])
def main():
program = parser.process_file(sys.argv[1])
graphs = []
for name, function in program.iteritems():
graphs.append(CFG(name, function['blocks'], function['args']))
for graph in graphs:
optimiser.Optimiser.remove_unreachable_nodes(graph)
while True:
optimiser.Optimiser.remove_dead_code(graph)
# this returns False if no changes were made
if optimiser.Optimiser.fix_redundant_loads(graph) == False:
break
print graphs_to_code(graphs)
def main():
global functions
try:
if len(sys.argv) <= 1:
raise FileNotGivenException()
functions = parser.process_file(sys.argv[1])
process_program(sys.argv[2:])
except IOError:
print "Error: File does not exist. Cannot execute."
exit(1)
except FileNotGivenException as e:
print "Error: No input file given. Cannot execute."
exit(1)
except FunctionUndefinedException as e:
print "Error: Function name '%s' is undefined." % (e.value)
exit(1)
except VariableUndefinedException as e:
print "Error: Variable '%s' is undefined." % (e.value)
exit(1)
except RegisterUndefinedException as e:
print "Error: Register '%s' is undefined." % (e.value)
exit(1)
except FunctionArgMismatchException as e:
print "Error: Function '%s' requires %d argument(s), but %d given." % (
e.function, e.required, e.given)
exit(1)
except UndefinedIntermediateCodeException as e:
print "Error: Intermediate function '%s' in function '%s' on block %d is undefined." % (
e.instruction, e.function, e.block)
exit(1)
except BlockUndefinedException as e:
print "Error: Block %d does not exist in function '%s'." % (e.block,
e.function)
exit(1)
except IndexError:
print "Error: Corrupted intermediate file. Cannot execute."
exit(1)
# Formatting
prompt = '> '
line_break = '-=-' * 20
# Script arguments
script, calendar_file = argv
print line_break
print "Welcome to %s v%s" % (script, str(script_version))
print line_break, "\n"
sleep(1)
print 'Processing "%s"...\n' % (calendar_file)
list = process_file(calendar_file)
if list:
print "Success!\n"
sleep(1)
else:
print "File unable to be read."
exit(1)
print 'What output would you like?\n'
print '1 for onscreen. 2 for output.txt\n'
output_choice = raw_input(prompt)
if output_choice not in ['1', '2']:
print 'Wrong answer choice. Please try script again.'
