Arithmetic expression parser Descr iption: The code includes a portable tokenizer like the StreamTokenizer in Java. It parses and interprets an arithmetic expression expressed in a flexible C-like syntax.-Arithmetic expression parser Descr iption

编制一个递归下降分析程序，实现对词法分析程序所提供的单词序列的语法检查和结构分析。 利用C语言编制递归下降分析程序，并对简单语言进行语法分析。 -The preparation of a recursive descent parser, lexical analyzer to achieve the sequence of words provided by the syntax check and structural analysis. Use of C language co

编译原理实验：词法分析，选择对各种常见高级程序设计语言都较为通用的语法结构无符号数的算术四则运算作为分析对象，给出其文法描述（注意应与所采用的语法分析方法比较贴近），设计并实现一个完整的语法分析程序。规则：E->E+T| E-T|T T->T*F| T/F|F F->(E)|i -Compiler principle experiment: lexical analysis, the choice of a variety of common high-level