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/*
 * Copyright 2007 Google Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not
 * use this file except in compliance with the License. You may obtain a copy of
 * the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations under
 * the License.
 */
package com.google.gwt.dev.jjs.ast;

/**
 * The context in which a JNode visitation occurs. This represents the set of
 * possible operations a JVisitor subclass can perform on the currently visited
 * node.
 */
public interface Context {

  boolean canInsert();

  boolean canRemove();

  void insertBefore(JNode node);

  boolean isLvalue();

  void removeMe();

  void replaceMe(JNode node);
}