编译原理课程设计报告＋词法分析器（C++)源代码 逐个读入源程序字符并按照构词规则切分成一系列单词。单词是语言中具有独立意义的最小单位包括保留字、标识符、运算符、标点符号和常量等。-Principles of curriculum design compiler report lexical analyzer (C++) By reading the source code into the source of characters and word formation rules in