source: branches/2520_PersistenceReintegration/HeuristicLab.Encodings.SymbolicExpressionTreeEncoding/3.4/Interfaces/ISymbolicExpressionGrammarBase.cs @ 16453

Last change on this file since 16453 was 16453, checked in by jkarder, 9 months ago

#2520: updated year of copyrights

File size: 2.3 KB
Line 
1#region License Information
2/* HeuristicLab
3 * Copyright (C) 2002-2019 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
4 *
5 * This file is part of HeuristicLab.
6 *
7 * HeuristicLab is free software: you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation, either version 3 of the License, or
10 * (at your option) any later version.
11 *
12 * HeuristicLab is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with HeuristicLab. If not, see <http://www.gnu.org/licenses/>.
19 */
20#endregion
21
22using System;
23using System.Collections.Generic;
24using HeuristicLab.Core;
25
26namespace HeuristicLab.Encodings.SymbolicExpressionTreeEncoding {
27  public interface ISymbolicExpressionGrammarBase : INamedItem {
28    IEnumerable<ISymbol> Symbols { get; }
29    IEnumerable<ISymbol> AllowedSymbols { get; }
30
31    bool ContainsSymbol(ISymbol symbol);
32    ISymbol GetSymbol(string symbolName);
33
34    void AddSymbol(ISymbol symbol);
35    void RemoveSymbol(ISymbol symbol);
36
37    bool IsAllowedChildSymbol(ISymbol parent, ISymbol child);
38    bool IsAllowedChildSymbol(ISymbol parent, ISymbol child, int argumentIndex);
39    IEnumerable<ISymbol> GetAllowedChildSymbols(ISymbol parent);
40    IEnumerable<ISymbol> GetAllowedChildSymbols(ISymbol parent, int argumentIndex);
41
42    void AddAllowedChildSymbol(ISymbol parent, ISymbol child);
43    void AddAllowedChildSymbol(ISymbol parent, ISymbol child, int argumentIndex);
44    void RemoveAllowedChildSymbol(ISymbol parent, ISymbol child);
45    void RemoveAllowedChildSymbol(ISymbol parent, ISymbol child, int argumentIndex);
46
47
48    int GetMinimumSubtreeCount(ISymbol symbol);
49    int GetMaximumSubtreeCount(ISymbol symbol);
50    void SetSubtreeCount(ISymbol symbol, int minimumSubtreeCount, int maximumSubtreeCount);
51
52    int GetMinimumExpressionDepth(ISymbol start);
53    int GetMaximumExpressionDepth(ISymbol start);
54    int GetMinimumExpressionLength(ISymbol start);
55    int GetMaximumExpressionLength(ISymbol start, int maxDepth);
56
57    event EventHandler Changed;
58  }
59}
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