def unexpected(self):
token = self.lookup()
self.error('Unexpected: ' + JSLexer.tokenToStr(token))
def expect(self, token, value=None):
if not self.match(token, value):
if value == None: value = ''
else: value = ' ' + value
self.error('Expected:' + JSLexer.tokenToStr(token, value) + ' ,got \'' + self.lookup()[1] + '\'')
return self.nextToken()