LPE解析器 两种语法 标准LPE语法 基本上遵循LISP表示法，但使用类似C的函数调用语义编写。 示例： f1(1,b,c).f2(d,e,f).f3(w) 点（ . ）分隔的函数调用将组成左线程->调用： ["->",["f1",1,"b","c"],["f2","d","e","f"],["f3","w"]]分号（ ; ）分隔的函数调用将组成begin调用： ["begin",["f1",1,"b","c"],["f2","d","e","f"],["f3","w"]] 数