Lines Matching defs:stack

34     protected $stack = array();
385             // add to stack
386             array_push($this->stack, $m1);
406             // retrieve previous list item from stack
407             $m0 = array_pop($this->stack);
421                 // restore stack
422                 array_push($this->stack, $m0);
455                 $m0 = array_pop($this->stack);
469                 // restore stack
470                 array_push($this->stack, $m1);
476                 // restore stack
477                 array_push($this->stack, $m0);
504             // add to stack
505             array_push($this->stack, $m1);