1 | #region License Information
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2 | /* HeuristicLab
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3 | * Copyright (C) 2002-2015 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
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4 | *
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5 | * This file is part of HeuristicLab.
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6 | *
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7 | * HeuristicLab is free software: you can redistribute it and/or modify
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8 | * it under the terms of the GNU General Public License as published by
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9 | * the Free Software Foundation, either version 3 of the License, or
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10 | * (at your option) any later version.
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11 | *
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12 | * HeuristicLab is distributed in the hope that it will be useful,
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13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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15 | * GNU General Public License for more details.
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16 | *
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17 | * You should have received a copy of the GNU General Public License
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18 | * along with HeuristicLab. If not, see <http://www.gnu.org/licenses/>.
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19 | */
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20 | #endregion
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21 |
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22 | using System.Text;
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23 |
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24 | namespace HeuristicLab.Algorithms.DataAnalysis.MctsSymbolicRegression {
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25 | internal class Disassembler {
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26 | public static string CodeToString(byte[] code, double[] consts) {
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27 | var sb = new StringBuilder();
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28 | int pc = 0;
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29 | int nextParamIdx = -1;
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30 | while (code[pc] != (byte)OpCodes.Exit) {
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31 | var op = code[pc++];
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32 | switch (op) {
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33 | case (byte)OpCodes.Add: sb.Append(" + "); break;
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34 | case (byte)OpCodes.Mul: sb.Append(" * "); break;
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35 | case (byte)OpCodes.LoadConst1: sb.Append(" 1 "); break;
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36 | case (byte)OpCodes.LoadConst0: sb.Append(" 0 "); break;
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37 | case (byte)OpCodes.LoadParamN: sb.AppendFormat(" {0:N3} ", consts[++nextParamIdx]); break;
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38 | case (byte)OpCodes.LoadVar:
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39 | {
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40 | short arg = (short)(((short)code[pc] << 8) | (short)code[pc + 1]);
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41 | pc += 2;
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42 | sb.AppendFormat(" var{0} ", arg); break;
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43 | }
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44 | case (byte)OpCodes.Exp: sb.Append(" exp "); break;
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45 | case (byte)OpCodes.Log: sb.Append(" log "); break;
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46 | case (byte)OpCodes.Inv: sb.Append(" inv "); break;
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47 | }
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48 | }
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49 | return sb.ToString();
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50 | }
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51 | }
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52 | }
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