stmt.java

来自「编译原理“龙书”(Compilers: Principles, Techniqu」· Java 代码 · 共 14 行

package inter;

public class Stmt extends Node {

   public Stmt() { }

   public static Stmt Null = new Stmt();

   public void gen(int b, int a) {} // called with labels begin and after

   int after = 0;                   // saves label after
   public static Stmt Enclosing = Stmt.Null;  // used for break stmts
}