语法制导的三地址代码生成程序

输入数据示例: while (a3+15)>0xa do if x2 = 07 then while y 10 goto L2 goto L0 L2: if x2 = 7 goto L3 goto L1 L3: if y < z goto L4 goto L1 L4: t2 = x * y t3 = t2 / z y = t3 goto L3 goto L1 L0: // S.next