import Scanner

look=None#look will reference a Token instance

#this is called by external code- tokens is a list of tokens--
def Parse(tokens):
	if tokens!=None:
		look=tokens[0]
		PROGRAM()
		
def PROGRAM():
	print "PROGRAM"
	print look
	STATEMENT()
		
def STATEMENT():
	print "STATEMENT"
	
	if look.Name=='KEYWORD':
		KEYWORD()