#region License Information
/* HeuristicLab
 * Copyright (C) 2002-2013 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
 *
 * This file is part of HeuristicLab.
 *
 * HeuristicLab is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * HeuristicLab 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with HeuristicLab. If not, see <http://www.gnu.org/licenses/>.
 */
#endregion

using System;
using System.Diagnostics;
using System.Linq;

namespace HeuristicLab.Grammars {
  public class Test {
    public static void Main(string[] args) {
      var gStr =
        @"S -> a B | b A
          A-> a | a S | b A A 
          B -> b | b S | a B B
         ";
      var g = HeuristicLab.Grammars.Grammar.FromString(gStr);
      var l = new Language(g);
      var s2 = new string[][]
        {
          new string[] {"a", "b"},
          new string[] {"b", "a"}
        };
      var s4 = new string[][]
        {
          new string[] {"a", "a", "b", "b"},
          new string[] {"a", "b", "a", "b"},
          new string[] {"a", "b", "b", "a"},
          new string[] {"b", "b", "a", "a"},
          new string[] {"b", "a", "b", "a"},
          new string[] {"b", "a", "a", "b"}
        };

      var watch = new Stopwatch();
      watch.Start();
      var lPrime = l.Take(100000);
      int s = 0;
      foreach (var c in lPrime) {
        s++;
        /*
        foreach (var symb in c)
          Console.Write(symb);
        Console.WriteLine();
        */
      }
      watch.Stop();
      Console.WriteLine(s);
      Console.WriteLine("Generating 10000 sentences: {0}ms", watch.ElapsedMilliseconds);
    }
  }
}