语法分析是编译过程的核心部分。它的任务是在词法分析识别出单词符号串的基础上，分析并判定程序的语法结构是否符合语法规则。语法分析器在编译程序中的地位如-Syntax analysis is the core of the compilation process. Its task is to identify the word in the lexical analysis of strings of symbols, based on the syntax of programs to anal