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This is a copy of the good Cojen project from http://cojen.sourceforge.net/ with package name changed

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/*
 *  Copyright 2004-2010 Brian S O'Neill
 *
 *  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.googlecode.jpattern.org.cojen.classfile;

/**
 * Provides the location of an instruction in a CodeBuffer.
 *
 * @author Brian S O'Neill
 */
public interface Location extends Comparable {
    /**
     * Returns -1 if the location isn't yet fully resolved.
     *
     * @exception IllegalStateException when the location is unknown and cannot
     * be resolved.
     */
    int getLocation() throws IllegalStateException;
}