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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, 2019 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.aspectj.org.eclipse.jdt.internal.compiler.classfmt;
import java.io.PrintStream;
import java.io.PrintWriter;
public class ClassFormatException extends Exception {

	public static final int ErrBadMagic = 1;
	public static final int ErrBadMinorVersion = 2;
	public static final int ErrBadMajorVersion = 3;
	public static final int ErrBadConstantClass = 4;
	public static final int ErrBadConstantString = 5;
	public static final int ErrBadConstantNameAndType = 6;
	public static final int ErrBadConstantFieldRef = 7;
	public static final int ErrBadConstantMethodRef = 8;
	public static final int ErrBadConstantInterfaceMethodRef = 9;
	public static final int ErrBadConstantPoolIndex = 10;
	public static final int ErrBadSuperclassName = 11;
	public static final int ErrInterfaceCannotBeFinal = 12;
	public static final int ErrInterfaceMustBeAbstract = 13;
	public static final int ErrBadModifiers = 14;
	public static final int ErrClassCannotBeAbstractFinal = 15;
	public static final int ErrBadClassname = 16;
	public static final int ErrBadFieldInfo = 17;
	public static final int ErrBadMethodInfo = 17;
	public static final int ErrEmptyConstantPool = 18;
	public static final int ErrMalformedUtf8 = 19;
	public static final int ErrUnknownConstantTag = 20;
	public static final int ErrTruncatedInput = 21;
	public static final int ErrMethodMustBeAbstract = 22;
	public static final int ErrMalformedAttribute = 23;
	public static final int ErrBadInterface = 24;
	public static final int ErrInterfaceMustSubclassObject = 25;
	public static final int ErrIncorrectInterfaceMethods = 26;
	public static final int ErrInvalidMethodName = 27;
	public static final int ErrInvalidMethodSignature = 28;
	public static final int ErrBadComponentInfo = 29;

	private static final long serialVersionUID = 6667458511042774540L; // backward compatible

	private int errorCode;
	private int bufferPosition;
	private Exception nestedException;
	private char[] fileName;

	public ClassFormatException(RuntimeException e, char[] fileName) {
		this.nestedException = e;
		this.fileName = fileName;
	}
	public ClassFormatException(int code) {
		this.errorCode = code;
	}
	public ClassFormatException(Exception e, char[] fileName, int code, int bufPos) {
		this.nestedException = e;
		this.fileName = fileName;
		this.errorCode = code;
		this.bufferPosition = bufPos;
	}
	/**
	 * @return int
	 */
	public int getErrorCode() {
		return this.errorCode;
	}
	/**
	 * @return int
	 */
	public int getBufferPosition() {
		return this.bufferPosition;
	}
	/**
	 * Returns the underlying Throwable that caused the failure.
	 *
	 * @return the wrappered Throwable, or null
	 *         if the direct case of the failure was at the Java model layer
	 */
	public Throwable getException() {
		return this.nestedException;
	}
	@Override
	public void printStackTrace() {
		printStackTrace(System.err);
	}
	/**
	 * Prints this exception's stack trace to the given print stream.
	 *
	 * @param output
	 *            the print stream
	 * @since 3.0
	 */
	@Override
	public void printStackTrace(PrintStream output) {
		synchronized (output) {
			super.printStackTrace(output);
			Throwable throwable = getException();
			if (throwable != null) {
				if (this.fileName != null) {
					output.print("Caused in "); //$NON-NLS-1$
					output.print(this.fileName);
					output.print(" by: "); //$NON-NLS-1$
				} else {
					output.print("Caused by: "); //$NON-NLS-1$
				}
				throwable.printStackTrace(output);
			}
		}
	}
	/**
	 * Prints this exception's stack trace to the given print writer.
	 *
	 * @param output
	 *            the print writer
	 * @since 3.0
	 */
	@Override
	public void printStackTrace(PrintWriter output) {
		synchronized (output) {
			super.printStackTrace(output);
			Throwable throwable = getException();
			if (throwable != null) {
				if (this.fileName != null) {
					output.print("Caused in "); //$NON-NLS-1$
					output.print(this.fileName);
					output.print(" by: "); //$NON-NLS-1$
				} else {
					output.print("Caused by: "); //$NON-NLS-1$
				}
				throwable.printStackTrace(output);
			}
		}
	}
}