词法分析器构造

通过对给定源语言词法分析程序的设计，加深对词法分析原理的理解，掌握源语言的接受、存贮、预处理和扫描分析，生成正确的 单词符号串二元式序列。

-lexical analyzer structure of a given source language lexical analysis procedures in the design, Lexical analysis to deepen the principle of understanding and mastering the language source of acceptance, storage, pretreatment and scanning, generate the correct word symbols-sequence binary strings.