Compilers Principles, Techniques, & Tools (purple dragon book) second edition exercise answers. 编译原理(紫龙书)第2版习题答案。
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RCmerci opened this issue 9 years ago · comments
第6个语法规则中有 :
F.expr = "(" || E.expr || ")" F.cleanExpr = E.expr
应该是
F.expr = "(" || E.cleanExpr || ")" F.cleanExpr = E.cleanExpr
不然,比如 ((a+b)),结果是(a+b) 应该是 a+b
应该是 a+b