@@ -0,0 +1,448 @@
+package net.zero918nobita.smilepp.frontend;%0A%0Apublic class IfStm extends Stm %7B%0A  private Node cond;%0A  private Label then;%0A%0A  public IfStm() %7B%7D%0A%0A  public IfStm(Node cond, Label then) %7B%0A    this.cond = cond;%0A    this.then = then;%0A  %7D%0A%0A  public void setCond(Node cond) %7B%0A    this.cond = cond;%0A  %7D%0A%0A  public void setLabel(Label then) %7B%0A    this.then = then;%0A  %7D%0A%0A  @Override%0A  public String toString() %7B%0A    return %22if %22 + cond + %22 goto %22 + then;%0A  %7D%0A%7D%0A

Add IfStm class