/*
 * Copyright 2003-2007 the original author or authors.
 *
 * 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 org.codehaus.groovy.control;

import groovy.lang.GroovyRuntimeException;


/**
 * Thrown when compilation fails from source errors.
 *
 * @author <a href="mailto:cpoirier@dreaming.org">Chris Poirier</a>
 * @version $Id$
 */

public class CompilationFailedException extends GroovyRuntimeException {

    protected int phase;   // The phase in which the failures occurred
    protected ProcessingUnit unit;    // The *Unit object this exception wraps

    public CompilationFailedException(int phase, ProcessingUnit unit, Throwable cause) {
        super(Phases.getDescription(phase) + " failed", cause);
        this.phase = phase;
        this.unit = unit;
    }


    public CompilationFailedException(int phase, ProcessingUnit unit) {
        super(Phases.getDescription(phase) + " failed");
        this.phase = phase;
        this.unit = unit;
    }


    /**
     * Formats the error data as a String.
     */

    /*public String toString() {
        StringWriter data = new StringWriter();
        PrintWriter writer = new PrintWriter(data);
        Janitor janitor = new Janitor();

        try {
            unit.getErrorReporter().write(writer, janitor);
        }
        finally {
            janitor.cleanup();
        }

        return data.toString();
    }*/


    /**
     * Returns the ProcessingUnit in which the error occurred.
     */

    public ProcessingUnit getUnit() {
        return this.unit;
    }

}