递归下降语法分析器,递归下递归下降语法分析器降语法分析器,-Recursive descent parser, recursive recursive descent parser fall under the parser,

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。-The preparation of a recursive descent parser, syntax checking and word structure to achieve lexical analysis program provided by sequence analysis.