def __init__(self, rfile, wfile, wVmFile):
self.rfile = rfile
self.wfile = wfile #Write XML file
self.vmWriter = VMWriter.VMwriter(wVmFile) #Write VM file
self.tokenizer = JackTokenizer.Tokenizer(self.rfile)
self.class_symbol = SymbolTable.SymbolTable()
self.sub_symbol = SymbolTable.SymbolTable()
self.Stype = '' #Stype records the type of the identifier.
self.Skind = ''
#ClassName records the name of the class, used to make the sub_functionName
self.ClassName = ''
self.expressionListNum = 0 #Record the number of expression in ExpressionList.
self.WHILEFLAG = 0 #the index of while_loop in case of tautonomy
self.IFFLAG = 0
