DO-WHILE循环语句的翻译程序设计（LR方法、输出三地址表示）下载

[weixin_39821260]

(1)S->do{E;}while(B) {if B.true goto B.true else goto B.false;}
(2)B->I1 rop I2 {B.type=bool;B.val=I1.val rop I2.val;}
(3)E->I1=I2 op I3 {I1.val=I2.val op I3.val;}
(4)I->id {I.val=id.val;}
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