break.java

来自「编译原理“龙书”(Compilers: Principles, Techniqu」· Java 代码 · 共 16 行

package inter;

public class Break extends Stmt {

   Stmt stmt;

   public Break() {
      if( Stmt.Enclosing == Stmt.Null ) error("unenclosed break");
      stmt = Stmt.Enclosing;
   }

   public void gen(int b, int a) {
      emit( "goto L" + stmt.after);
   }
}