Lines Matching refs:stack
605 self.stack = []
612 if len(self.stack) > 0:
613 last = self.stack[-1]
615 self.stack.append(s)
619 if len(self.stack) > 0:
620 last = self.stack[-1]
627 if len(self.stack) > 0:
628 last = self.stack[-1]
634 self.output = self.stack.pop()
