抽象構文木から構文木への変換プログラムです。 手抜きはありますが、いちお、変換出来マッス。 object st2ast { def main(argv:Array[String]) { val st = ( ("main","=",("fun","(","void",")",( ("a","=",("add","(",((1,",",2),",",3),")")), "@", ("pri…