编译原理在源程序原型之前需要对其完成词法分析、语法分析、中间代码生成、代码优化和目标代码生成5个部分工作。该实验通过设计词法分析器和LL(1)语法分析器来实现其中的词法分析和语法分析部分功能。
steverao / compiling-principle-experiment Goto Github PK
View Code? Open in Web Editor NEW:school:The experiments of the course of compiling principle
:school:The experiments of the course of compiling principle
编译原理在源程序原型之前需要对其完成词法分析、语法分析、中间代码生成、代码优化和目标代码生成5个部分工作。该实验通过设计词法分析器和LL(1)语法分析器来实现其中的词法分析和语法分析部分功能。
结果不对呀兄弟,实验二语法分析里面,main函数后面最主要的那个while循环,flag直接被置1,然后就是analysis Failed!,另一方面那个Input.txt是不是也有问题呀,里面只有六个产生式,但是根据你发出来的运行结果图片,里面还用到了这六个之外的产生式。还有就是我愣是没找到你到底把 i+i*i 这个式子存在哪儿了。
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