1 files changed, 368 insertions, 0 deletions
diff --git a/Runtime/Export/StackTrace.cs b/Runtime/Export/StackTrace.cs
new file mode 100644
index 0000000..6e61bd5
--- /dev/null
+++ b/Runtime/Export/StackTrace.cs
@@ -0,0 +1,368 @@
+using System;
+using System.Diagnostics;
+using System.Text;
+using System.Reflection.Emit;
+using System.Reflection;
+using System.Runtime.Serialization;
+using System.Collections;
+
+#if UNITY_WINRT
+using SystemException = System.Exception;
+#endif
+
+namespace UnityEngine
+{
+#if !UNITY_WINRT
+public class StackTraceUtility
+{
+	static string projectFolder = "";
+
+	static internal void SetProjectFolder (string folder)
+	{
+		projectFolder = folder;
+	}
+
+	static public string ExtractStackTrace ()
+	{
+	    StackTrace trace = new StackTrace (1, true);
+	    string traceString = ExtractFormattedStackTrace (trace).ToString ();
+	    return traceString;
+	}
+	
+	static bool IsSystemStacktraceType (object name)
+	{
+		string casted = (string)name;
+		return casted.StartsWith ("UnityEditor.") || casted.StartsWith ("UnityEngine.") || casted.StartsWith ("System.") || casted.StartsWith ("UnityScript.Lang.") || casted.StartsWith ("Boo.Lang.") || casted.StartsWith ("UnityEngine.SetupCoroutine");
+	}
+
+	static public string ExtractStringFromException(System.Object exception)
+	{
+		string message = "", stackTrace = "";
+		ExtractStringFromExceptionInternal(exception, out message, out stackTrace);
+		return message + "\n" + stackTrace;
+	}
+
+    static internal void ExtractStringFromExceptionInternal(System.Object exceptiono, out string message, out string stackTrace)
+	{
+        if (exceptiono == null) throw new ArgumentException("ExtractStringFromExceptionInternal called with null exception");
+        var exception = exceptiono as System.Exception;
+        if (exception == null) throw new ArgumentException("ExtractStringFromExceptionInternal called with an exceptoin that was not of type System.Exception");
+
+		// StackTrace might not be available
+		StringBuilder sb = new StringBuilder(exception.StackTrace == null ? 512 : exception.StackTrace.Length*2);
+		message = "";
+		string traceString = "";
+	    while (exception != null)
+	    {
+			if (traceString.Length == 0)
+				traceString	= exception.StackTrace;
+			else
+				traceString	= exception.StackTrace + "\n" + traceString;
+				
+			string thisMessage = exception.GetType ().Name;
+	    	string exceptionMessage = "";
+			if (exception.Message!=null) exceptionMessage = exception.Message;
+			if (exceptionMessage.Trim().Length != 0)
+			{
+				thisMessage += ": ";
+				thisMessage += exceptionMessage;	
+			}
+			message = thisMessage;
+			if (exception.InnerException != null)
+			{
+				traceString = "Rethrow as " + thisMessage + "\n" + traceString;
+			}
+	    	exception = exception.InnerException;
+	    }
+	    
+		sb.Append (traceString + "\n");
+
+		StackTrace trace = new StackTrace (1, true);
+		sb.Append (ExtractFormattedStackTrace (trace));
+
+		stackTrace = sb.ToString();
+	}
+		
+	static internal string PostprocessStacktrace (string oldString, bool stripEngineInternalInformation)
+	{
+		if (oldString==null) return String.Empty;
+		string [] split = oldString.Split ('\n');
+		StringBuilder sb = new StringBuilder(oldString.Length);
+		for (int i=0; i<split.Length; i++)
+			split[i] = split[i].Trim();
+		
+		for (int i=0; i<split.Length; i++)
+		{
+			string newLine = split[i];
+			
+			// Ignore empty lines
+			if (newLine.Length == 0 || newLine[0] == '\n')
+				continue;
+						
+			// Ignore unmanaged
+			if (newLine.StartsWith ("in (unmanaged)"))
+				continue;
+			// Make GameView GUI stack traces skip editor GUI part
+			if (stripEngineInternalInformation && newLine.StartsWith("UnityEditor.EditorGUIUtility:RenderGameViewCameras"))						break;
+			// Ignore deep system stacktraces
+			if (stripEngineInternalInformation && i<split.Length-1 && IsSystemStacktraceType(newLine))
+			{
+				if (IsSystemStacktraceType(split[i+1]))
+					continue;
+				int lineInfo = newLine.IndexOf(" (at");
+				if (lineInfo != -1)
+					newLine = newLine.Substring (0, lineInfo);				
+			}
+			// Ignore wrapper managed to native
+			if (newLine.IndexOf ("(wrapper managed-to-native)") != -1)
+				continue;
+			if (newLine.IndexOf ("(wrapper delegate-invoke)") != -1)
+				continue;
+			// Ignore unknown method
+			if (newLine.IndexOf ("at <0x00000> <unknown method>") != -1)
+				continue;
+			// Ignore C++ line information
+			if (stripEngineInternalInformation && newLine.StartsWith ("[") && newLine.EndsWith("]"))
+				continue;
+			// Ignore starting at
+			if (newLine.StartsWith ("at "))
+			{
+				newLine = newLine.Remove (0, 3);
+			}
+						
+			// Remove square brace [0x00001]
+			int brace = newLine.IndexOf("[0x");
+			int braceClose = -1;
+			if (brace != -1)
+				braceClose = newLine.IndexOf("]", brace);
+			if (brace != -1 && braceClose > brace)
+			{
+				newLine = newLine.Remove (brace, braceClose - brace + 1);
+			}
+			
+			newLine = newLine.Replace("  in <filename unknown>:0", "");
+				
+			newLine = newLine.Replace(projectFolder, "");
+
+			// Unify path names to unix style
+			newLine = newLine.Replace('\\','/');
+			
+			int inStart = newLine.LastIndexOf ("  in ");
+			if (inStart != -1)
+			{
+				newLine = newLine.Remove(inStart, 5);
+				newLine = newLine.Insert(inStart, " (at ");
+				newLine = newLine.Insert(newLine.Length, ")");
+			}
+
+			sb.Append (newLine+"\n");
+		}
+
+		return sb.ToString ();
+	}
+	
+	static internal string ExtractFormattedStackTrace (StackTrace stackTrace)
+	{
+		StringBuilder sb = new StringBuilder(255);
+		int iIndex;
+		
+		// need to skip over "n" frames which represent the 
+		// System.Diagnostics package frames
+		for (iIndex=0; iIndex < stackTrace.FrameCount; iIndex++)
+		{
+			StackFrame frame = stackTrace.GetFrame (iIndex);
+			
+			MethodBase mb = frame.GetMethod ();
+			if (mb == null)
+				continue;
+								
+			Type classType = mb.DeclaringType;
+			if (classType == null)
+				continue;
+			
+			// Add namespace.classname:MethodName
+			String ns = classType.Namespace;
+			if (ns != null && ns.Length != 0)
+			{
+				sb.Append (ns);
+				sb.Append (".");
+			}
+			
+			sb.Append (classType.Name);
+			sb.Append (":");
+			sb.Append (mb.Name);
+			sb.Append ("(");
+			
+			// Add parameters
+			int j=0;
+			ParameterInfo[] pi = mb.GetParameters();
+			bool fFirstParam = true;
+			while (j < pi.Length)
+			{
+				if (fFirstParam == false)
+					sb.Append (", ");
+				else
+					fFirstParam = false;
+				
+				sb.Append (pi[j].ParameterType.Name);                
+				j++;
+			}    
+			sb.Append (")");
+			
+			// Add path name and line number - unless it is a Debug.Log call, then we are only interested
+			// in the calling frame.
+			string path = frame.GetFileName ();
+			if (path != null && !(classType.Name == "Debug" && classType.Namespace == "UnityEngine"))
+			{
+				sb.Append (" (at ");
+				
+				if (path.StartsWith (projectFolder))
+				{
+					path = path.Substring (projectFolder.Length, path.Length - projectFolder.Length);
+				}
+				sb.Append (path);
+				sb.Append (":");
+				sb.Append (frame.GetFileLineNumber ().ToString ());
+				sb.Append (")");
+			}
+
+			sb.Append ("\n");
+		}
+
+		return sb.ToString();
+	}
+}
+#endif
+
+[Serializable]
+public class UnityException : SystemException
+{
+	const int Result = unchecked ((int)0x80004003);
+	string unityStackTrace;
+	
+	// Constructors
+	public UnityException ()
+		: base ("A Unity Runtime error occurred!")
+	{
+		HResult = Result;
+	}
+
+	public UnityException (string message)
+		: base (message)
+	{
+		HResult = Result;
+	}
+
+	public UnityException (string message, Exception innerException)
+		: base (message, innerException)
+	{
+		HResult = Result;
+	}
+#if !UNITY_WINRT
+	protected UnityException (SerializationInfo info, StreamingContext context)
+		: base (info, context)
+	{
+	}
+#endif
+}
+
+[Serializable]
+public class MissingComponentException : SystemException
+{
+	const int Result = unchecked ((int)0x80004003);
+	string unityStackTrace;
+	
+	// Constructors
+	public MissingComponentException ()
+		: base ("A Unity Runtime error occurred!")
+	{
+		HResult = Result;
+	}
+
+	public MissingComponentException (string message)
+		: base (message)
+	{
+		HResult = Result;
+	}
+
+	public MissingComponentException (string message, Exception innerException)
+		: base (message, innerException)
+	{
+		HResult = Result;
+	}
+#if !UNITY_WINRT
+	protected MissingComponentException (SerializationInfo info, StreamingContext context)
+		: base (info, context)
+	{
+	}
+#endif
+}
+
+
+[Serializable]
+public class UnassignedReferenceException : SystemException
+{
+	const int Result = unchecked ((int)0x80004003);
+	string unityStackTrace;
+	
+	// Constructors
+	public UnassignedReferenceException ()
+		: base ("A Unity Runtime error occurred!")
+	{
+		HResult = Result;
+	}
+
+	public UnassignedReferenceException (string message)
+		: base (message)
+	{
+		HResult = Result;
+	}
+
+	public UnassignedReferenceException (string message, Exception innerException)
+		: base (message, innerException)
+	{
+		HResult = Result;
+	}
+#if !UNITY_WINRT
+	protected UnassignedReferenceException (SerializationInfo info, StreamingContext context)
+		: base (info, context)
+	{
+	}
+#endif
+}
+
+
+[Serializable]
+public class MissingReferenceException : SystemException
+{
+	const int Result = unchecked ((int)0x80004003);
+	string unityStackTrace;
+	
+	// Constructors
+	public MissingReferenceException ()
+		: base ("A Unity Runtime error occurred!")
+	{
+		HResult = Result;
+	}
+
+	public MissingReferenceException (string message)
+		: base (message)
+	{
+		HResult = Result;
+	}
+
+	public MissingReferenceException (string message, Exception innerException)
+		: base (message, innerException)
+	{
+		HResult = Result;
+	}
+#if !UNITY_WINRT
+	protected MissingReferenceException (SerializationInfo info, StreamingContext context)
+		: base (info, context)
+	{
+	}
+#endif
+}
+
+
+}