internal static string StringHashFromStackTrace(string stackTrace)
{
int num = 0;
string result = "0";
try
{
int num2 = 0;
int num3 = 0;
MatchCollection matchCollection = WatsonGenericReport.RegexFunctions.Matches(stackTrace);
foreach (object obj in matchCollection)
{
Match match = (Match)obj;
if (match.Groups.Count == 2)
{
string value = match.Groups[1].Value;
if (num == 0)
{
num3 = WatsonReport.ComputeHash(value, num3);
}
if (!value.Contains("Microsoft"))
{
continue;
}
num++;
num2 = WatsonReport.ComputeHash(value, num2);
}
if (num >= 10)
{
break;
}
}
if (num == 0)
{
num2 = num3;
}
result = Convert.ToString(num2 & 65535, 16);
}
catch
{
}
return(result);
}
protected override void PrepareBucketingParameters()
{
Exception baseException = null;
string s = null;
string text = null;
string text2 = null;
string text3 = null;
Version v = null;
int num = 0;
int num2 = 0;
string text4 = null;
if (this.exception != null)
{
text2 = this.exception.GetType().ToString();
WatsonExceptionReport.TryStringHashFromStackTrace(this.exception, base.IsFlagSet(ReportOptions.DeepStackTraceHash), out text3);
baseException = this.exception.GetBaseException();
try
{
string text5 = (baseException == null) ? null : baseException.StackTrace;
if (!string.IsNullOrEmpty(text5))
{
MatchCollection matchCollection = WatsonExceptionReport.regexFunctions.Matches(text5);
foreach (object obj in matchCollection)
{
Match match = (Match)obj;
if (match.Groups.Count == 2)
{
if (text == null)
{
text = match.Groups[1].Value;
}
if (match.Groups[1].Value.Contains("Microsoft."))
{
text = match.Groups[1].Value;
if (text.IndexOf("throw", StringComparison.OrdinalIgnoreCase) <= 0 && text.IndexOf("failfast", StringComparison.OrdinalIgnoreCase) <= 0 && text.IndexOf("assert", StringComparison.OrdinalIgnoreCase) <= 0 && text.IndexOf("error", StringComparison.OrdinalIgnoreCase) <= 0)
{
break;
}
}
}
}
}
if (text != null)
{
string text6 = text;
try
{
int num3 = text.LastIndexOf(Type.Delimiter + ".");
if (num3 < 0)
{
num3 = text.LastIndexOf(Type.Delimiter);
}
text6 = text.Substring(0, num3);
}
catch
{
}
Type type = Type.GetType(text6);
if (type == null)
{
foreach (Assembly assembly in AppDomain.CurrentDomain.GetAssemblies())
{
type = assembly.GetType(text6);
if (type != null)
{
break;
}
}
}
if (type != null)
{
if (WatsonReport.IsAssemblyDynamic(type.Assembly))
{
s = "[Dynamic Assembly]";
v = new Version(0, 0, 0, 0);
}
else
{
try
{
s = Path.GetFileName(type.Assembly.Location);
}
catch
{
}
try
{
object[] customAttributes = type.Assembly.GetCustomAttributes(typeof(AssemblyFileVersionAttribute), false);
if (customAttributes.Length == 1)
{
AssemblyFileVersionAttribute assemblyFileVersionAttribute = customAttributes[0] as AssemblyFileVersionAttribute;
if (assemblyFileVersionAttribute != null)
{
v = new Version(assemblyFileVersionAttribute.Version);
}
}
}
catch
{
}
}
}
}
PropertyInfo propertyInfo = (baseException == null) ? null : baseException.GetType().GetProperty("DiagCtx");
if (propertyInfo != null)
{
MethodInfo getMethod = propertyInfo.GetGetMethod();
object obj2 = getMethod.Invoke(baseException, null);
this.lids = obj2.ToString();
MatchCollection matchCollection2 = WatsonExceptionReport.regexLids.Matches(this.lids);
foreach (object obj3 in matchCollection2)
{
Match match2 = (Match)obj3;
if (match2.Groups.Count >= 2)
{
string value = match2.Groups[0].Value;
num = WatsonReport.ComputeHash(value, num);
num2 = Convert.ToInt32(match2.Groups[1].Value);
if (match2.Groups.Count == 4)
{
text4 = match2.Groups[3].Value;
}
}
}
num &= 65535;
}
if (ExWatson.MsInternal)
{
base.CrashDetails = WatsonReport.GetValidString(this.GetExWatsonCrashDetailsString());
}
}
catch
{
}
}
if (baseException != null && baseException.TargetSite != null)
{
this.baseExceptionTargetSite = base.EvaluateOrDefault <string>(delegate
{
RuntimeMethodHandle methodHandle = baseException.TargetSite.MethodHandle;
IntPtr value2 = baseException.TargetSite.MethodHandle.Value;
return(baseException.TargetSite.MethodHandle.Value.ToString());
}, "unknown");
this.baseExceptionAssemblyName = base.EvaluateOrDefault <string>(delegate
{
if (baseException.TargetSite.Module == null)
{
return("unknown");
}
return(baseException.TargetSite.Module.Name ?? "unknown");
}, "unknown");
this.baseExceptionMethodName = base.EvaluateOrDefault <string>(delegate
{
string text7 = null;
if (baseException.TargetSite.ReflectedType != null)
{
text7 = baseException.TargetSite.ReflectedType.FullName;
}
string name = baseException.TargetSite.Name;
if (text7 == null || name == null)
{
return("unknown");
}
return(text7 + "." + name);
}, "unknown");
}
else
{
this.baseExceptionTargetSite = "unknown";
this.baseExceptionAssemblyName = "unknown";
this.baseExceptionMethodName = "unknown";
}
try
{
if (this.lids != null)
{
text3 = text3 + "-" + Convert.ToString(num, 16);
this.baseExceptionAssemblyName = this.baseExceptionAssemblyName + "-" + num2;
if (text4 != null)
{
text2 = text2 + "-" + text4;
}
}
}
catch
{
}
base.SetBucketingParameter <WatsonExceptionReport.BucketParamId>(WatsonExceptionReport.BucketParamId.ExceptionType, WatsonReport.GetValidString(text2));
base.SetBucketingParameter <WatsonExceptionReport.BucketParamId>(WatsonExceptionReport.BucketParamId.AssemblyName, WatsonReport.GetValidString(s));
base.SetBucketingParameter <WatsonExceptionReport.BucketParamId>(WatsonExceptionReport.BucketParamId.AssemblyVer, WatsonReport.ExchangeFormattedVersion(v));
base.SetBucketingParameter <WatsonExceptionReport.BucketParamId>(WatsonExceptionReport.BucketParamId.ExMethodName, WatsonReport.GetValidString(text));
base.SetBucketingParameter <WatsonExceptionReport.BucketParamId>(WatsonExceptionReport.BucketParamId.CallstackHash, WatsonReport.GetValidString(text3));
}
public void UpdateHash(ref int hash)
{
hash = WatsonReport.ComputeHash(this.SanitizedFunctionName, hash);
hash = WatsonReport.ComputeHash(this.FileName, hash);
}
internal static bool TryStringHashFromStackTrace(Exception exception, bool deep, out string stringHash)
{
bool result = false;
int num = deep ? 50 : 10;
stringHash = "0";
try
{
int num2 = 0;
int num3 = 0;
int num4 = 0;
while (exception != null)
{
string stackTrace = exception.StackTrace;
if (!string.IsNullOrEmpty(exception.StackTrace))
{
MatchCollection matchCollection = WatsonExceptionReport.regexFunctions.Matches(stackTrace);
foreach (object obj in matchCollection)
{
Match match = (Match)obj;
if (match.Groups.Count == 2)
{
string value = match.Groups[1].Value;
if (num3 == 0)
{
num4 = WatsonReport.ComputeHash(value, num4);
}
if (!value.Contains("Microsoft"))
{
continue;
}
num3++;
num2 = WatsonReport.ComputeHash(value, num2);
}
if (num3 >= num)
{
break;
}
}
if (exception is SerializationException)
{
Match match2 = WatsonExceptionReport.regexSerialization.Match(exception.Message);
while (match2.Success)
{
string value2 = match2.Groups[1].Value;
num2 = WatsonReport.ComputeHash(value2, num2);
match2 = match2.NextMatch();
}
}
}
exception = exception.InnerException;
}
if (num3 == 0)
{
num2 = num4;
}
stringHash = Convert.ToString(num2 & 65535, 16);
result = true;
}
catch
{
}
return(result);
}