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AspectJ tools most notably contains the AspectJ compiler (AJC). AJC applies aspects to Java classes during compilation, fully replacing Javac for plain Java classes and also compiling native AspectJ or annotation-based @AspectJ syntax. Furthermore, AJC can weave aspects into existing class files in a post-compile binary weaving step. This library is a superset of AspectJ weaver and hence also of AspectJ runtime.

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/*******************************************************************************
 * Copyright (c) 2000, 2008 IBM Corporation and others.
 *
 * This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License 2.0
 * which accompanies this distribution, and is available at
 * https://www.eclipse.org/legal/epl-2.0/
 *
 * SPDX-License-Identifier: EPL-2.0
 *
 * Contributors:
 *     IBM Corporation - initial API and implementation
 *******************************************************************************/
package org.eclipse.jface.text;


/**
 * The default implementation of the {@link org.eclipse.jface.text.IRegion} interface.
 */
public class Region implements IRegion {

	/** The region offset */
	private int fOffset;
	/** The region length */
	private int fLength;

	/**
	 * Create a new region.
	 *
	 * @param offset the offset of the region
	 * @param length the length of the region
	 */
	public Region(int offset, int length) {
		fOffset= offset;
		fLength= length;
	}

	@Override
	public int getLength() {
		return fLength;
	}

	@Override
	public int getOffset() {
		return fOffset;
	}

	@Override
	public boolean equals(Object o) {
	 	if (o instanceof IRegion) {
	 		IRegion r= (IRegion) o;
	 		return r.getOffset() == fOffset && r.getLength() == fLength;
	 	}
	 	return false;
	}

	@Override
	public int hashCode() {
	 	return (fOffset << 24) | (fLength << 16);
	}

	@Override
	public String toString() {
		return "offset: " + fOffset + ", length: " + fLength; //$NON-NLS-1$ //$NON-NLS-2$;
	}
}