#region License Information
/* HeuristicLab
* Copyright (C) 2002-2011 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 .
*/
#endregion
using System.Collections.Generic;
using HeuristicLab.Core;
namespace HeuristicLab.Encodings.SymbolicExpressionTreeEncoding {
public interface ISymbolicExpressionGrammarBase : INamedItem {
IEnumerable Symbols { get; }
ISymbol GetSymbol(string symbolName);
IEnumerable AllowedSymbols { get; }
bool ContainsSymbol(ISymbol symbol);
bool IsAllowedChildSymbol(ISymbol parent, ISymbol child);
bool IsAllowedChildSymbol(ISymbol parent, ISymbol child, int argumentIndex);
IEnumerable GetAllowedChildSymbols(ISymbol parent);
IEnumerable GetAllowedChildSymbols(ISymbol parent, int argumentIndex);
int GetMinimumSubtreeCount(ISymbol symbol);
int GetMaximumSubtreeCount(ISymbol symbol);
int GetMinimumExpressionLength(ISymbol start);
int GetMaximumExpressionLength(ISymbol start);
int GetMinimumExpressionDepth(ISymbol start);
}
}