com.sun.mirror.util.Declarations Maven / Gradle / Ivy

/*
 * @(#)Declarations.java	1.1 04/01/26
 *
 * Copyright (c) 2004, Sun Microsystems, Inc.
 * All rights reserved.
 * 
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 *     * Redistributions of source code must retain the above copyright
 *       notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above copyright
 *       notice, this list of conditions and the following disclaimer in the
 *       documentation and/or other materials provided with the distribution.
 *     * Neither the name of the Sun Microsystems, Inc. nor the names of
 *       its contributors may be used to endorse or promote products derived from
 *       this software without specific prior written permission.
 * 
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
 * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
 * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
 * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

package com.sun.mirror.util;


import com.sun.mirror.declaration.*;


/**
 * Utility methods for operating on declarations.
 *
 * @author Joseph D. Darcy
 * @author Scott Seligman
 * @version 1.1 04/01/26
 * @since 1.5
 */

public interface Declarations {

	/**
	 * Tests whether one type, method, or field declaration hides another.
	 *
	 * @param sub the first member
	 * @param sup the second member
	 * @return true if and only if the first member hides
	 *         the second
	 */
	boolean hides(MemberDeclaration sub, MemberDeclaration sup);

	/**
	 * Tests whether one method overrides another.  When a
	 * non-abstract method overrides an abstract one, the
	 * former is also said to implement the latter.
	 *
	 * @param sub the first method
	 * @param sup the second method
	 * @return true if and only if the first method overrides
	 *         the second
	 */
	boolean overrides(MethodDeclaration sub, MethodDeclaration sup);
}