/*
 * Anarres C Preprocessor
 * Copyright (c) 2007-2008, Shevek
 *
 * 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.
 */
using System;
using System.Diagnostics;

namespace CppNet
{

/**
 * A handler for preprocessor events, primarily errors and warnings.
 *
 * If no PreprocessorListener is installed in a Preprocessor, all
 * error and warning events will throw an exception. Installing a
 * listener allows more intelligent handling of these events.
 */
    public class PreprocessorListener : PreprocessorListenerBase
    {
        public PreprocessorListener() : base()
        {
        }

        protected void print(String msg)
        {
            Debug.WriteLine(msg);
        }

        public override void handleWarning(Source source, int line, int column, string msg)
        {
            base.handleWarning(source, line, column, msg);
            print(source.getName() + ":" + line + ":" + column + ": warning: " + msg);
        }

        public override void handleError(Source source, int line, int column, string msg)
        {
            base.handleError(source, line, column, msg);
            print(source.getName() + ":" + line + ":" + column + ": error: " + msg);
        }
    }
}