/*
 * [The "BSD license"]
 *  Copyright (c) 2010 Terence Parr
 *  All rights reserved.
 *
 *  Redistribution and use in source and binary forms, with or without
 *  modification, are permitted provided that the following conditions
 *  are met:
 *  1. Redistributions of source code must retain the above copyright
 *      notice, this list of conditions and the following disclaimer.
 *  2. 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.
 *  3. The name of the author may not be used to endorse or promote products
 *      derived from this software without specific prior written permission.
 *
 *  THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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 PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 *  THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 *  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 *  THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
package org.antlr.test;

import org.antlr.tool.ANTLRErrorListener;
import org.antlr.tool.Message;
import org.antlr.tool.ToolMessage;

import java.util.LinkedList;
import java.util.List;

public class ErrorQueue implements ANTLRErrorListener {
	List<String> infos = new LinkedList<String>();
	List<Message> errors = new LinkedList<Message>();
	List<Message> warnings = new LinkedList<Message>();

	@Override
	public void info(String msg) {
		infos.add(msg);
	}

	@Override
	public void error(Message msg) {
		errors.add(msg);
	}

	@Override
	public void warning(Message msg) {
		warnings.add(msg);
	}

	@Override
	public void error(ToolMessage msg) {
		errors.add(msg);
	}

	public int size() {
		return infos.size() + errors.size() + warnings.size();
	}

	@Override
	public String toString() {
		return "infos: "+infos+
			"errors: "+errors+
			"warnings: "+warnings;
	}
}

