/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
 * This file is part of J102.                                      *
 * See the file "J102-LICENSE" for Copyright information and the   *
 * terms and conditions for copying, distribution and              *
 * modification of J102.                                           *
 * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */

package org.sablecc.java;

import java.io.*;
import java.util.*;

import org.sablecc.java.node.*;
import org.sablecc.java.lexer.*;
import org.sablecc.java.parser.*;

public class CompileDir 
{
    public static void main(String[] arguments)
    {
        if(arguments.length > 1)
        {
            System.out.println("usage:");
            System.out.println("  java CompileDir [dirname]");
            System.exit(1);
        }

        Date start = new Date();

        compiledir((arguments.length == 0) ?
            System.getProperty("user.dir") :
            arguments[0]);

        Date end = new Date();

        System.out.println("Start: " + start);
        System.out.println("End  : " + end);
    }

    private static void compiledir(String dirname)
    {
        String[] files = new File(dirname).list();

        for(int i = 0; i < files.length; i++)
        {
            File file = new File(dirname, files[i]);

            if(file.isDirectory())
            {
                compiledir(file.getPath());
            }
            else if(file.isFile())
            {
                String filename = file.getPath();

                if(filename.endsWith(".java"))
                {
                    compile(filename);
                }
            }
        }
    }

    private static void compile(String filename)
    {
        try
        {
//            System.out.println();
            System.out.println(filename);
            UnicodePreprocessor preprocessor = new UnicodePreprocessor(
                new PushbackReader(
                new BufferedReader(
                new FileReader(filename)), 1024));

            Lexer lexer = new Lexer(new PushbackReader(preprocessor, 1024));
            Parser parser = new Parser(lexer);
            Start ast = parser.parse();

//            System.out.println();
//            System.out.println(ast);
        }
        catch(Exception e)
        {
            e.printStackTrace();
            System.out.println(e);
            System.exit(1);
        }
    }
}