import java.util.*; import Jakarta.util.FixDosOutputStream; import Jakarta.util.Util2; import java.io.*; public abstract class AstList { public void baseRewrite( Hashtable hb, Hashtable he, int stage ) { AstNode l; if ( arg[0]==null ) return; for ( l = arg[0]; l!=null; l = l.right ) { if ( l.arg[0] == null ) continue; l.arg[0].baseRewrite( hb, he, stage ); } } }