Programa em Pascal usado em Aulas

一个Pascal语言分析器-A Pascal language analyzer

编译原理课程设计，输入布尔表达式，然后有系统自动转换为逆波兰四元式-compiler theory of curriculum design, the importation of Boolean expressions, and then the system automatically converted to reverse Poland four yuan-

多功能语法分析器。 -Multi-functional grammar analyzer. Multi-functional grammar analyzer.

1、构造该算符优先文法的优先关系矩阵或优先函数； 2、输入串应是词法分析的输出二元式序列，即某算术表达式“实验项目一”的输出结果。输出为输入串是否为该文法定义的算术表达式的判断结果。 3、算符优先分析过程应能发现输入串出错。 -1, construction of the operator the priority of the priority relation matrix grammar or priority function 2, input strings should be the output of lexical analysis of binary sequence, that is, the arithmetic expression of a

delphi编的pl0编译器-delphi arranges pl0 compiler

哈工大，编译原理课程设计，简单的编译器~-HIT, compile the principle of curriculum design, the compiler simple ~

PL/0语言可以看成PASCAL语言的子集，它的编译程序是一个编译解释执行系统。PL/0的目标程序为假想栈式计算机的汇编语言，与具体计算机无关。 文件说明: PL.htm---PL/0语言基本原理 pl0.h---定义 PL0.cpp---实现 testPl0.cpp---使用方法举例 testPas.txt---一个LP/0语言源程序-PL/0 language may regard as the PASCAL language the subset, its compiler is a translation explanation execution system. The PL/0 target program for the imaginary stack type computer assembly language, has nothing to do with with the concrete computer. Document explanation that, PL.htm---PL/0 language basic principle pl0.h--- defines PL0.cpp--- to realize the testPl0.cpp--- application method to give an example testPas.txt--- a LP/0 language source program

从网上下载lex工具源代码，并对其进行反复修改 使其能按我们的要求对C程序进行词法分析，然后输出我们期望的结果 -downloaded from the Internet tools lex source code, and it has repeatedly revised to enable it to us by the requirements of the C procedures lexical analysis, and then output the results we expect

词法分析，可识别关键字，整数，实数，标识符，有一定的提示操作界面-Lexical analysis can identify the keywords, integers, real numbers, identifiers, there are some tips user interface