def run(self):
parser = Parser()
while True:
sourceStr = raw_input("Enter an infix expression: ")
if sourceStr == "": break
try:
parser.parse(sourceStr)
print parser.parseStatus()
except Exception, e:
print "Error:"
print e
def run(self):
parser = Parser()
while True:
sourceStr = raw_input("Enter an infix expression: ")
if sourceStr == "": break
try:
parser.parse(sourceStr)
print parser.parseStatus()
except Exception, e:
print "Error:"
print e
def run(self):
parser = Parser()
while True:
sourceStr = input(
"Enter an arithmetic expression or just enter to quit: ")
if sourceStr == "": break
try:
parser.parse(sourceStr)
print(parser.parseStatus())
print(parser.tree)
except Exception as e:
print("Error:")
print(e)
