一个自上而下的语法分析器，具有建立语法分析过程的功能-A top-down parser, with the establishment of the parsing process

编译原理小程序：用递归下降分析法进行语法分析 对输入的表达式进行自顶向下分析-Compiler theory applet: recursive descent parsing by top-down analysis of the input expression

编译原理资料：第四章，语法分析-自上而下。语法分析综述，自上而下分析，递归下降分析程序的构造，预测分析程序 -Compiler theory Information: Chapter IV, parsing- top to bottom. Summary of parsing, top-down analysis, structural analysis program recursive descent, predictive analysis program