编译原理

词法分析程序设计

[实验内容]：根据某文法，构造一基本词法分析程序。找出该语言的关键字、标识符、整数以及其他一些特殊符号，给出单词的种类和值。-Compilation Principle lexical analysis program design [experiment content]: According to a grammar, the basic structure of a lexical analysis program. To identify the language keywords, identifiers, integers, as well as some other special symbols, given the type and value of the word.