※ 引述《arjuna (机器泽新一)》之铭言： : ※ 引述《arjuna (机器泽新一)》之铭言： : : 分头进行 : : 把group //掉就会有output,就先从这边去检查你写的功能是不是正常 : : 时间不多了加油 : import的处理方法我还想到 : 就是去parse那个档案,把parsing tree的root传回main里面一个 : import list,这样有需要资料的话可以去那个paring tree找 http://www.facweb.iitkgp.ernet.in/~niloy/COURSE/Autumn2006/Compiler/main.html Assignment 1: Assignment on Thompson's Construction - understand the working of #include, #define, #ifdef, #ifndef and commenting in C preprocessor. Write a mini pre-processor for a C-language. The preprocessor should do the following: - inclusion of header files -- Implement #include preprocessor directive. The content of the argument file should be copied to the output file. - textual replacement -- Implement #define preprocessor (macro) directive that is replace the macro calls inside the program with the macro contents. Parametrized and recursive #define need not be considered. - conditional inclusion/exclusion -- Implement #ifdef and #ifndef preprocessor directives. According to the value copy the #ifdef ot #ifndef part to the output file - stripping out the comments. -- Implement both single line (//) and multiple line comments (/* */)stripping. --

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