类高级语言的词法分析程序 在keyword里是关健词 origin输入源文件 token输出结果

这是一个绘图语言的编译器，您可以输入ORIGIN IS (150,150) SCALE IS (300,300) ROT IS 0 FOR T FROM 0 TO 50*PI STEP PI/20 DRAW (COS(T),SIN(T)) -this is a drawing language complier ,youcanuse it easyly,of cource it has some bugs.