拿出这个程序来主要是因为原文中只有一个LEX程序,

编译原理的词法分析器，语法分析器(包括递归子程序，算符优先，LR类分析法)，语义分析等原理图-compiler tenets of lexical analyzer and parser (including recursive subroutines, operator precedence, LR type analysis), semantic analysis diagram

Berkeley的YACC词法/语法分析器 -Berkeley YACC syntactic and phrase parser

pl0语言编译器及从中分离的语法分析程序-pl0 language compiler and separates grammar analysis program

输入文法，可以实现对非终结符，终结符的判断，最后判断文法。-importation of grammar can be realized by the end of the non-Fu, Fu end of the judgment, the final judgment of grammar.

16进制文件编辑与磁盘编辑软件。类似 ultraedit 的文本编辑工具，支持二进制编辑，支持比较和调整 bitwise 顺序。功能强大，支持文件在二进制级进行比较。-16 hexadecimal file editor and disk-editing software. UltraEdit similar text editing tool that supports the binary editing, support for bitwise comparison and adjustment of the order. Powerful, supporting documents in the binary-level comparison.

三菱公司的单片机编程软件，想学的不妨看看。有意去三菱的最好学学。-Mitsubishi microcontroller programming software, I would like to learn to look at. Mitsubishi intends to learn the best.

LL(1).rar

一个带界面的词法分析器～～界面比较简练友好，适合初学者使用-An interface with a lexical analyzer ~ ~ more concise and friendly interface, suitable for beginners to use ~~~~~

该系统是本人课程设计作业，因为时间关系，只用了两天多的时间编成。所以有很多地方没有得到增强。版本为1.0。现作以下升级。 增加NEW，OPEN版本。 提高输入容错。判断输入的对错。 时间关系，搜索功能为线性搜索，现增强如下：f_search:费氏查找法；btree:二叉树查找法；l_search：线性查找法； r_search：递归折半查找法；zcsear:杂凑碰撞查找法；o_sear:插补查找加强法； 排序是冒泡法，现增强为：heaps:累堆排序；binary：二叉树排序；xieer：谢耳排序；sinsert：插入排序；quicks:快速排序；select:选择排序法； 有时间不仿试试。-f_search: Find Act Fernandez btree: binary tree search method l_search: linear search method r_search: Recursive half Find Law zcsear: Find a hash collision law o_sear: interpolation search Enhancement Act sort is bubbling method are enhanced for: heaps: HEAPSORT tired binary: binary tree sort xieer: Xie ears sort sinsert: Insertion Sort quicks: quick sort select: Select Sort Method

语义分析器，将语义分析程序编制成子程序，在语法分析器分析出各语法单位后，分析其含义，并将可执行语句或表达式翻译为四元式输出，并将错误信息输出。-Semantic analyzer, semantic analysis program compiled subroutines, in the parser analyzes the syntax of the unit, analyze its meaning, and translated into an executable statement or expression quaternary-output, and error information output.