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source: branches/HeuristicLab.EvolutionTracking/HeuristicLab.Encodings.SymbolicExpressionTreeEncoding/3.4/Compiler/SymbolicExpressionTreeLinearCompiler.cs @ 14312

Last change on this file since 14312 was 14312, checked in by bburlacu, 8 years ago

#1772: Merge trunk changes. Delete unnecessary files (sliding window).

File size: 2.0 KB
Line 
1#region License Information
2/* HeuristicLab
3 * Copyright (C) 2002-2016 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;
23
24namespace HeuristicLab.Encodings.SymbolicExpressionTreeEncoding {
25  public static class SymbolicExpressionTreeLinearCompiler {
26    public static LinearInstruction[] Compile(ISymbolicExpressionTree tree, Func<ISymbolicExpressionTreeNode, byte> opCodeMapper) {
27      var root = tree.Root.GetSubtree(0).GetSubtree(0);
28      return Compile(root, opCodeMapper);
29    }
30
31    public static LinearInstruction[] Compile(ISymbolicExpressionTreeNode root, Func<ISymbolicExpressionTreeNode, byte> opCodeMapper) {
32      var code = new LinearInstruction[root.GetLength()];
33      code[0] = new LinearInstruction { dynamicNode = root, nArguments = (byte)root.SubtreeCount, opCode = opCodeMapper(root) };
34      int c = 1, i = 0;
35      foreach (var node in root.IterateNodesBreadth()) {
36        for (int j = 0; j < node.SubtreeCount; ++j) {
37          var s = node.GetSubtree(j);
38          code[c + j] = new LinearInstruction { dynamicNode = s, nArguments = (byte)s.SubtreeCount, opCode = opCodeMapper(s) };
39        }
40        code[i].childIndex = c;
41        c += node.SubtreeCount;
42        ++i;
43      }
44      return code;
45    }
46  }
47}
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