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stack trace translator
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3 files changed

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3 files changed

+194
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lines changed

‎DeCraftLauncher/DeCraftLauncher.csproj

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@@ -128,6 +128,7 @@
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<Compile Include="UIControls\LauncherEntryPointFinding.xaml.cs">
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<DependentUpon>LauncherEntryPointFinding.xaml</DependentUpon>
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</Compile>
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<Compile Include="Utils\TinyV2Mapper.cs" />
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<Compile Include="WindowDeployMTP.xaml.cs">
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<DependentUpon>WindowDeployMTP.xaml</DependentUpon>
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</Compile>

‎DeCraftLauncher/Utils/TinyV2Mapper.cs

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@@ -0,0 +1,125 @@
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using System;
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using System.IO;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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namespace DeCraftLauncher.Utils
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{
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public class TinyV2Mapper
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{
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public string nameFrom;
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public string nameTo;
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public List<ClassMapping> remappedClasses = new List<ClassMapping>();
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public class Mappable
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{
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public string from;
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public string to;
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}
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public class MethodParameterMapping
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{
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public int paramNumber;
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public string name;
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public void Parse(string a)
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{
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string[] tabSplits = a.Split('\t');
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this.paramNumber = int.Parse(tabSplits[3]);
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this.name = tabSplits[5];
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}
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}
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public class MethodMapping : Mappable
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{
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public string descriptor;
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public List<MethodParameterMapping> methodParams = new List<MethodParameterMapping>();
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public void Parse(string a)
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{
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string[] tabSplits = a.Split('\t');
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this.descriptor = tabSplits[2];
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this.from = tabSplits[3];
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this.to = tabSplits[4];
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}
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}
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public class FieldMapping : Mappable
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{
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public string type;
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public void Parse(string a)
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{
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string[] tabSplits = a.Split('\t');
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this.type = tabSplits[2];
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this.from = tabSplits[3];
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this.to = tabSplits[4];
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}
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}
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public class ClassMapping : Mappable
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{
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public List<MethodMapping> remappedMethods = new List<MethodMapping>();
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public List<FieldMapping> remappedFields = new List<FieldMapping>();
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public void Parse(string a)
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{
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string[] tabSplits = a.Split('\t');
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this.from = tabSplits[1];
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this.to = tabSplits[2];
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}
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}
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public static TinyV2Mapper FromMappingsFile(string file)
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{
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TinyV2Mapper mapper = new TinyV2Mapper();
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FileStream inFile = File.OpenRead(file);
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StreamReader fileReader = new StreamReader(inFile);
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string nLine = null;
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try
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{
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while ((nLine = fileReader.ReadLine()) != null)
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{
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if (nLine.StartsWith("tiny\t"))
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{
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string[] tabSplit = nLine.Split('\t');
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mapper.nameFrom = tabSplit[3];
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mapper.nameTo = tabSplit[4];
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}
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else if (nLine.StartsWith("c\t"))
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{
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ClassMapping nClass = new ClassMapping();
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nClass.Parse(nLine);
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mapper.remappedClasses.Add(nClass);
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}
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else if (nLine.StartsWith("\tm"))
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{
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MethodMapping nMethod = new MethodMapping();
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nMethod.Parse(nLine);
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mapper.remappedClasses.Last().remappedMethods.Add(nMethod);
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}
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else if (nLine.StartsWith("\tf"))
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{
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FieldMapping nField = new FieldMapping();
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nField.Parse(nLine);
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mapper.remappedClasses.Last().remappedFields.Add(nField);
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}
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else if (nLine.StartsWith("\t\tp"))
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{
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MethodParameterMapping nParam = new MethodParameterMapping();
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nParam.Parse(nLine);
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mapper.remappedClasses.Last().remappedMethods.Last().methodParams.Add(nParam);
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}
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}
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} catch (Exception ex)
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{
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Console.WriteLine(ex.Message);
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} finally
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{
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fileReader.Close();
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}
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return mapper;
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}
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}
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}

‎DeCraftLauncher/WindowProcessLog.xaml.cs

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@@ -12,6 +12,7 @@
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using System.Windows.Controls;
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using System.Windows.Data;
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using System.Windows.Documents;
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using System.Windows.Forms;
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using System.Windows.Input;
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using System.Windows.Media;
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using System.Windows.Media.Imaging;
@@ -233,5 +234,72 @@ private void proc_kill_Click(object sender, RoutedEventArgs e)
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}
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proc_kill.Visibility = Visibility.Hidden;
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}
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public string ProcessLogTranslateString(string a, TinyV2Mapper tinyV2Mapper)
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{
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if (a.StartsWith("\tat "))
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{
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string classPathString = a.Substring(4).Split('(')[0];
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int l = classPathString.LastIndexOf('.');
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string classPath = classPathString.Substring(0, l);
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string methodName = classPathString.Substring(l+1);
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var possibleClassPaths = (from x in tinyV2Mapper.remappedClasses
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where x.@from == classPath.Replace('.', '/')
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select x);
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if (!possibleClassPaths.Any())
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{
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possibleClassPaths = (from x in tinyV2Mapper.remappedClasses
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where x.to == classPath.Replace('.', '/')
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select x);
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}
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if (possibleClassPaths.Any())
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{
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TinyV2Mapper.ClassMapping fClassPath = possibleClassPaths.First();
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classPath = fClassPath.to.Replace('/', '.');
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try
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{
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var possibleMethodNames = (from x in fClassPath.remappedMethods
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where x.@from == methodName
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select x.to);
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if (possibleMethodNames.Count() == 1)
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{
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methodName = possibleMethodNames.First();
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}
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else if (possibleMethodNames.Count() > 1)
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{
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methodName = $"<multiple choices: {String.Join(",", possibleMethodNames)}>";
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}
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} catch (InvalidOperationException)
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{
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}
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}
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return $"\tat {classPath}.{methodName}{a.Substring(a.LastIndexOf('('))}";
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} else
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{
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return a;
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}
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}
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protected override void OnKeyDown(System.Windows.Input.KeyEventArgs e)
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{
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//todo: make this a visible option
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if (e.Key == Key.Pause)
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{
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OpenFileDialog tinyV2MapDialog = new OpenFileDialog();
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tinyV2MapDialog.Filter = "TinyV2 Files|*.tiny";
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if (tinyV2MapDialog.ShowDialog() == System.Windows.Forms.DialogResult.OK)
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{
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TinyV2Mapper tinyV2Mapper = TinyV2Mapper.FromMappingsFile(tinyV2MapDialog.FileName);
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Console.WriteLine("Read " + tinyV2Mapper.remappedClasses.Count + " remapped classes");
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string currentLogText = logtext.Text;
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logtext.Text = String.Join("\n", (from x in currentLogText.Split('\n')
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select ProcessLogTranslateString(x, tinyV2Mapper)));
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}
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}
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base.OnKeyDown(e);
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}
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}
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}

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