protected function reduceRule120() {
if (is_array($this->semStack[$this->stackPos-(2-2)])) { $this->semValue = array_merge($this->semStack[$this->stackPos-(2-1)], $this->semStack[$this->stackPos-(2-2)]); } else { $this->semStack[$this->stackPos-(2-1)][] = $this->semStack[$this->stackPos-(2-2)]; $this->semValue = $this->semStack[$this->stackPos-(2-1)]; };
}