public override void PostWalk(ClassDefinition node)
 {
     base.PostWalk(node);
     _scope = _scope.Prev;
 }
 public virtual void PostWalk(ClassDefinition node)
 {
 }
 public override bool Walk(ClassDefinition node)
 {
     _scope = new NameScope(_scope, true);
     return(base.Walk(node));
 }
 // ClassDefinition
 public virtual bool Walk(ClassDefinition node)
 {
     return(true);
 }
 // ClassDefinition
 public override bool Walk(ClassDefinition node)
 {
     return(Contains(node));
 }
 public override void PostWalk(ClassDefinition node)
 {
 }
 // ClassDefinition
 public override bool Walk(ClassDefinition node)
 {
     return(false);
 }
 // ClassDefinition
 public override void PostWalk(ClassDefinition node)
 {
     Debug.Assert(node == _currentScope);
     PopScope();
 }