[15821] | 1 | using System;
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| 2 | using System.Diagnostics;
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| 3 | using System.IO;
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| 4 | using HeuristicLab.Algorithms.DataAnalysis.SymRegGrammarEnumeration.GrammarEnumeration;
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| 5 | using HeuristicLab.Common;
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| 6 | using HeuristicLab.Core;
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| 7 |
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| 8 | namespace HeuristicLab.Algorithms.DataAnalysis.SymRegGrammarEnumeration {
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| 9 | class SearchGraphVisualizer : Item, IGrammarEnumerationAnalyzer {
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| 10 | private readonly string dotFileName = Environment.GetFolderPath(Environment.SpecialFolder.DesktopDirectory) + @"\searchgraph.dot";
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| 11 |
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| 12 | private TextWriterTraceListener dotFileTrace;
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| 13 |
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| 14 | public SearchGraphVisualizer() { }
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| 15 |
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[15910] | 16 | protected SearchGraphVisualizer(SearchGraphVisualizer original, Cloner cloner) : base(original, cloner) { }
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[15821] | 17 |
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| 18 | public override IDeepCloneable Clone(Cloner cloner) {
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| 19 | return new SearchGraphVisualizer(this, cloner);
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| 20 | }
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| 21 |
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| 22 | public void Register(GrammarEnumerationAlgorithm algorithm) {
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| 23 | algorithm.Started += GrammarEnumerationAlgorithmOnStarted;
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| 24 | algorithm.Stopped += GrammarEnumerationAlgorithmOnStopped;
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| 25 | algorithm.ExceptionOccurred += GrammarEnumerationAlgorithmOnStopped;
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| 26 |
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| 27 | algorithm.PhraseFetched += PhraseFetched;
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| 28 | algorithm.PhraseDerived += PhraseDerived;
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| 29 | algorithm.SentenceGenerated += SentenceGenerated;
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| 30 | }
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| 31 |
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| 32 | public void Deregister(GrammarEnumerationAlgorithm algorithm) {
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| 33 | algorithm.Started -= GrammarEnumerationAlgorithmOnStarted;
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| 34 | algorithm.Stopped -= GrammarEnumerationAlgorithmOnStopped;
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| 35 | algorithm.ExceptionOccurred -= GrammarEnumerationAlgorithmOnStopped;
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| 36 |
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| 37 | algorithm.PhraseFetched -= PhraseFetched;
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| 38 | algorithm.PhraseDerived -= PhraseDerived;
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| 39 | algorithm.SentenceGenerated -= SentenceGenerated;
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| 40 | }
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| 41 |
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| 42 | private void GrammarEnumerationAlgorithmOnStarted(object sender, EventArgs eventArgs) {
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| 43 | dotFileTrace = new TextWriterTraceListener(new FileStream(dotFileName, FileMode.Create));
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| 44 | ((StreamWriter)dotFileTrace.Writer).AutoFlush = true;
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| 45 | dotFileTrace.WriteLine("digraph searchgraph { pad=0.02; nodesep=0.3; ranksep=0.02;ratio=0.5625;");
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| 46 | }
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| 47 |
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| 48 | private void GrammarEnumerationAlgorithmOnStopped(object sender, EventArgs eventArgs) {
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| 49 | try {
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| 50 | var alg = (GrammarEnumerationAlgorithm)sender;
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| 51 | var phrase0 = new SymbolString(new[] { alg.Grammar.StartSymbol });
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[15832] | 52 | var phrase0Hash = alg.Grammar.Hasher.CalcHashCode(phrase0);
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[15821] | 53 |
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| 54 | dotFileTrace.WriteLine($"{phrase0Hash} [label=\"{phrase0}\", shape=doublecircle]; }}");
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| 55 | dotFileTrace.Flush();
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| 56 | } catch (Exception) {
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| 57 | dotFileTrace.Close();
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| 58 | throw;
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| 59 | }
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| 60 | }
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| 61 |
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| 62 | private void PhraseFetched(object sender, PhraseEventArgs phraseEventArgs) {
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| 63 | dotFileTrace.WriteLine($"{phraseEventArgs.Hash} [label=\"{phraseEventArgs.Phrase}\"];");
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| 64 | }
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| 65 |
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| 66 | private void PhraseDerived(object sender, PhraseAddedEventArgs args) {
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| 67 | dotFileTrace.WriteLine($"{args.ParentHash} -> {args.NewHash} [label=\"{args.ExpandedSymbol.StringRepresentation} + → {args.ExpandedProduction}\"];");
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| 68 | }
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| 69 |
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| 70 | private void SentenceGenerated(object sender, PhraseAddedEventArgs args) {
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| 71 | var alg = (GrammarEnumerationAlgorithm)sender;
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| 72 | dotFileTrace.WriteLine($"{args.NewHash} [label=\"{alg.Grammar.ToInfixString(args.NewPhrase)}\", style=\"filled\", fillcolor=\"#f79423\", color=\"#f79423\"];");
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| 73 | }
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| 74 | }
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| 75 | }
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