// Copyright (c) 2011, the Dart project authors. Please see the AUTHORS file
// for details. All rights reserved. Use of this source code is governed by a
// BSD-style license that can be found in the LICENSE file.

package com.google.dart.compiler.ast;

import com.google.dart.compiler.resolver.NodeElement;

/**
 * Base class for directives.
 */
public abstract class DartDirective extends DartNodeWithMetadata implements HasObsoleteMetadata {
  private DartObsoleteMetadata obsoleteMetadata = DartObsoleteMetadata.EMPTY;

  @Override
  public NodeElement getElement() {
    throw new UnsupportedOperationException(getClass().getSimpleName());
  }

  public DartObsoleteMetadata getObsoleteMetadata() {
    return obsoleteMetadata;
  }

  public void setObsoleteMetadata(DartObsoleteMetadata metadata) {
    this.obsoleteMetadata = metadata;
  }
}