source: branches/Robocode.TrunkInt/HeuristicLab.Problems.Robocode/3.3/Interpreter.cs @ 9882

Last change on this file since 9882 was 9882, checked in by ascheibe, 9 years ago

#2069 cleaned up battlerunner

File size: 4.8 KB
Line 
1#region License Information
2/* HeuristicLab
3 * Copyright (C) 2002-2013 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.Diagnostics;
24using System.IO;
25using System.Linq;
26using HeuristicLab.Encodings.SymbolicExpressionTreeEncoding;
27
28namespace HeuristicLab.Problems.Robocode {
29  public class Interpreter {
30    public static double EvaluateTankProgram(ISymbolicExpressionTree tree, string path) {
31      string interpretedProgram = InterpretProgramTree(tree.Root);
32      string formattedPath = path.Replace("/", "\\");
33      string outputname = "";
34
35      try {
36        outputname = Guid.NewGuid().ToString();
37        outputname = outputname.Replace('-', '_');
38        outputname = "Robocode" + outputname;
39        string output = interpretedProgram.Replace("class output", "class " + outputname);
40        File.WriteAllText(path + "/robots/Evaluation/" + outputname + ".java", output, System.Text.Encoding.Default);
41      }
42      catch (Exception ex) {
43        throw;
44      }
45
46      ProcessStartInfo javaCompileInfo = new ProcessStartInfo();
47      javaCompileInfo.FileName = "cmd.exe";
48      javaCompileInfo.Arguments = "/C javac -cp " + formattedPath + "\\libs\\robocode.jar " + formattedPath + "\\robots\\Evaluation\\" + outputname + ".java";
49      javaCompileInfo.RedirectStandardOutput = true;
50      javaCompileInfo.RedirectStandardError = true;
51      javaCompileInfo.UseShellExecute = false;
52      javaCompileInfo.CreateNoWindow = true;
53
54      Process javaCompile = new Process();
55      javaCompile.StartInfo = javaCompileInfo;
56      javaCompile.Start();
57
58      string cmdOutput = javaCompile.StandardOutput.ReadToEnd();
59      cmdOutput += javaCompile.StandardError.ReadToEnd();
60
61      javaCompile.WaitForExit();
62      if (javaCompile.ExitCode != 0) {
63        DeleteRobotFiles(path, outputname);
64        throw new Exception("Compile Error: " + cmdOutput);
65      }
66
67      //parallel execution of multiple robocode instances can sometimes lead to a damaged robot.database
68      try { File.Delete(path + "/robots/robot.database"); }
69      catch { }
70
71      ProcessStartInfo evaluateCodeInfo = new ProcessStartInfo();
72      evaluateCodeInfo.FileName = "cmd.exe";
73      evaluateCodeInfo.Arguments = "/C java -classpath " + formattedPath + "\\libs;" + formattedPath + "\\libs\\robocode.core-1.8.1.0.jar;" + formattedPath + "\\libs\\robocode.jar;" + formattedPath + "\\libs\\picocontainer-2.14.2.jar BattleRunner Evaluation." + outputname + "* " + formattedPath + " false";
74      evaluateCodeInfo.RedirectStandardOutput = true;
75      evaluateCodeInfo.RedirectStandardError = true;
76      evaluateCodeInfo.UseShellExecute = false;
77      evaluateCodeInfo.CreateNoWindow = true;
78
79      Process evaluateCode = new Process();
80      evaluateCode.StartInfo = evaluateCodeInfo;
81      evaluateCode.Start();
82      evaluateCode.WaitForExit();
83      if (evaluateCode.ExitCode != 0) {
84        DeleteRobotFiles(path, outputname);
85        throw new Exception("Error running Robocode: " + evaluateCode.StandardError.ReadToEnd());
86      }
87
88      string scoreString = "";
89      double evaluation = -900;
90      try {
91        scoreString = evaluateCode.StandardOutput.ReadToEnd().Split(new string[] { "\r\n" }, StringSplitOptions.RemoveEmptyEntries).Last();
92        evaluation = Double.Parse(scoreString);
93      }
94      catch (Exception ex) {
95        throw new Exception("Error parsing score string: " + ex.ToString());
96      }
97      finally {
98        DeleteRobotFiles(path, outputname);
99      }
100
101      return evaluation;
102    }
103
104    private static void DeleteRobotFiles(string path, string outputname) {
105      try {
106        File.Delete(path + "/robots/Evaluation/" + outputname + ".java");
107        File.Delete(path + "/robots/Evaluation/" + outputname + ".class");
108      }
109      catch { }
110    }
111
112    public static string InterpretProgramTree(ISymbolicExpressionTreeNode node) {
113      var tankNode = node;
114      while (!(tankNode.Symbol is Tank))
115        tankNode = tankNode.GetSubtree(0);
116      return ((CodeNode)tankNode.Symbol).Interpret(tankNode, tankNode.Subtrees);
117    }
118  }
119}
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