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用C语言编写的pascal词法分析程序,识别程序子集的文法-C language prepared by the pascal lexical analysis procedure, the identification procedures subset of grammar
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目的:通过编写简单的YACC程序熟悉YACC词法分析工具的基本用法,及词法分析器的设计思路。编写包括赋值语句、if语句以及含有加合乘运算的表达式等语法结构的pascal子集语言的语法分析器。 功能:程序由两个模块LEX和YACC构成,YACC使用LEX分析后的正规单词输出流-Objective : to prepare a simple procedure with YACC YACC lexical analysis of the basic tools to use, and the lex
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用Pascal语言编写的PL0的词法分析和语法分析功能的程序-By Pascal language PL0 the lexical analysis and syntax analysis procedures
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编译原理课程设计总结报告
1.设计题目及相关内容
本课程设计完成的是递归下降分析法。对算术表达式和赋值语句进行语义分析并生成四元式序列。其中,本设计用C语言对简单的pascal语言子集编制一个编译程序。语义分析输入的是语法分析后提供的单词串,而语法分析的输入是词法分析的程序所提供的单词序列。要求把语法分析程序和词法分析都作为子程序调用,其中输入字符串要用文件操作。
2.运行环境(软、硬件环境)
硬件环境:方正电脑,P4CPU,512M内存
软件环境:Visualc+
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源语言是PL0语言,PL0语言是PASCAL语言的子集。通过完成扩展的PL0词法分析程序,掌握词法分析实现机制。-PL0 source language is the language, PL0 language is a subset of PASCAL language. PL0 by completing the expansion process of lexical analysis, lexical analysis to achieve control mechanism.
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源语言是PL0语言,PL0语言是PASCAL语言的子集。通过完成扩展的PL0词法分析程序,掌握词法分析实现机制。-The source language is a the the PL0 language, the PL0 language is a subset of the PASCAL language. By completion of the extended the the PL0 lexical analysis of the program, master lexical ana
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能够输出中间代码的pascal编译器,全部都是手工写的词法分析,语法分析,中间代码生成器。-Able to output the code in the middle of the PASCAL compiler, all of them are written by hand lexical analysis, syntax analysis, intermediate code generator.
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Java 词法分析程序 产生一个二元式文本文件,扩展名为dyd,可将Pascal或C程序(测试程序)分解成为一个一个的单词及类型,并查“单词符号与种别对照表”得出其种别,用一数字表示。-Java lexical analysis procedure to produce a two yuan a text file, an extension of dyd, can be Pascal or C program (test procedures) is decomposed into words
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这程序实现pascal词法分析,把源程序逐行读入一个字符串缓冲区中,然后逐行分析-PASCAL lexical analysis, the program source code line by line to read in a string buffer, and line by line analysis
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这程序实现pascal词法分析,把源程序逐行读入一个字符串缓冲区中,然后逐行分析-PASCAL lexical analysis, the program source code line by line to read in a string buffer, and line by line analysis
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这程序实现pascal词法分析,把源程序逐行读入一个字符串缓冲区中,然后逐行分析(PASCAL lexical analysis, the program source code line by line to read in a string buffer, and line by line analysis)
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