C语言上下文无关文法的词法及语法描述文件,通过使用yacc、lex工具可以生成相关C语言的词法、语法分析的C语言代码-C language context-free grammar to describe the morphology and syntax files, through the use of yacc, lex tool generates C language related to the morphology, syntax analysis, C language code

用Yacc编写一个语法分析程序，使之与词法分析器结合，能够根据语言的上下文无关文法，识别输入的单词序列是否文法的句子。-With Yacc write a parser, so that combined with the lexical analyzer that depending on the context-free grammar of language, whether the input word sequence recognition grammar of the senten

用递归下降法编写一个语法分析程序，使之与词法分析器结合，能够根据语言的上下文无关文法，识别输入的单词序列是否文法的句子。-Write a parser using recursive descent method, combined with the lexical analyzer makes it possible depending on the context-free grammar of language, whether the input word sequence recogn

GNU bison 是属于 GNU 项目的一个语法分析器生成器。Bison 把一个关于“向前查看 从左到右 最右”(LALR) 上下文无关文法的描述转化成可以分析该文法的 C 或 C++ 程序。它也可以为二义文法生成 “通用的 从左到右 最右” (GLR)语法分析器。(GNU bison is a parser generator that belongs to the GNU project. Bison transforms a descr iption of "forward v