/*
 * Bytecode Analysis Framework
 * Copyright (C) 2003,2004 University of Maryland
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

package edu.umd.cs.findbugs.ba;

import org.apache.bcel.generic.InstructionHandle;
import org.apache.bcel.generic.MethodGen;

import edu.umd.cs.findbugs.classfile.CheckedAnalysisException;

/**
 * Exception type to indicate a dataflow analysis failure.
 * 
 * @see Dataflow
 * @see DataflowAnalysis
 */
public class DataflowAnalysisException extends CheckedAnalysisException {
    private static final long serialVersionUID = 3690480212240446258L;

    /**
     * Constructor.
     */
    public DataflowAnalysisException() {
    }

    /**
     * Constructor.
     * 
     * @param msg
     *            message describing the reason for the exception
     */
    public DataflowAnalysisException(String msg) {
        super(msg);
    }

    /**
     * Constructor from message and another Throwable object.
     * 
     * @param msg
     *            message describing the reason for the exception
     * @param cause
     *            a Throwable which is the cause of the exception
     */
    public DataflowAnalysisException(String msg, Throwable cause) {
        super(msg, cause);
    }

    /**
     * Constructor from method and instruction.
     * 
     * @param message
     *            reason for the error
     * @param methodGen
     *            the method
     * @param handle
     *            the instruction
     */
    public DataflowAnalysisException(String message, MethodGen methodGen, InstructionHandle handle) {
        super(message + " in " + SignatureConverter.convertMethodSignature(methodGen) + " at " + handle);
    }

    /**
     * Constructor from message, method and instruction, and Throwable object
     * (cause).
     * 
     * @param message
     *            reason for the error
     * @param methodGen
     *            the method
     * @param handle
     *            the instruction
     * @param cause
     *            a Throwable which is the cause of the exception
     */
    public DataflowAnalysisException(String message, MethodGen methodGen, InstructionHandle handle, Throwable cause) {
        this(message, methodGen, handle);
        this.initCause(cause);
    }
}

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