| 1 | #region License Information
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| 2 | /* HeuristicLab
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| 3 | * Copyright (C) 2002-2016 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)((code[pc] << 8) | 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 | public static string CodeToString(byte[] code) {
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| 53 | var sb = new StringBuilder();
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| 54 | int pc = 0;
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| 55 | int nextParamIdx = -1;
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| 56 | while (code[pc] != (byte)OpCodes.Exit) {
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| 57 | var op = code[pc++];
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| 58 | switch (op) {
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| 59 | case (byte)OpCodes.Add: sb.Append(" + "); break;
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| 60 | case (byte)OpCodes.Mul: sb.Append(" * "); break;
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| 61 | case (byte)OpCodes.LoadConst1: sb.Append(" 1 "); break;
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| 62 | case (byte)OpCodes.LoadConst0: sb.Append(" 0 "); break;
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| 63 | case (byte)OpCodes.LoadParamN: sb.Append(" c "); break;
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| 64 | case (byte)OpCodes.LoadVar: {
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| 65 | short arg = (short)((code[pc] << 8) | code[pc + 1]);
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| 66 | pc += 2;
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| 67 | sb.AppendFormat("{0}", (char)('a'+arg)); break;
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| 68 | }
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| 69 | case (byte)OpCodes.Exp: sb.Append(" exp "); break;
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| 70 | case (byte)OpCodes.Log: sb.Append(" log "); break;
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| 71 | case (byte)OpCodes.Inv: sb.Append(" inv "); break;
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| 72 | }
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| 73 | }
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| 74 | return sb.ToString();
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| 75 | }
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| 76 | }
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| 77 | }
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