From 9945e82cb7300489689c646880bd441a79ad3b94 Mon Sep 17 00:00:00 2001
From: Ben Adams <thundercat@illyriad.co.uk>
Date: Thu, 30 Nov 2017 15:17:03 +0000
Subject: [PATCH] Skip il that can't be interpreted

---
 src/Ben.Demystifier/Ben.Demystifier.csproj    |  2 +-
 .../EnhancedStackTrace.Frames.cs              | 33 +++++++++++--------
 2 files changed, 21 insertions(+), 14 deletions(-)

diff --git a/src/Ben.Demystifier/Ben.Demystifier.csproj b/src/Ben.Demystifier/Ben.Demystifier.csproj
index 0ce62aa..78047e0 100644
--- a/src/Ben.Demystifier/Ben.Demystifier.csproj
+++ b/src/Ben.Demystifier/Ben.Demystifier.csproj
@@ -11,7 +11,7 @@
     <RepositoryType>git</RepositoryType>
     <IncludeSymbols>true</IncludeSymbols>
     <IncludeSource>true</IncludeSource>
-    <Version>0.0.5</Version>
+    <Version>0.0.6</Version>
   </PropertyGroup>
 
   <PropertyGroup>
diff --git a/src/Ben.Demystifier/EnhancedStackTrace.Frames.cs b/src/Ben.Demystifier/EnhancedStackTrace.Frames.cs
index d37ae1c..7ba844f 100644
--- a/src/Ben.Demystifier/EnhancedStackTrace.Frames.cs
+++ b/src/Ben.Demystifier/EnhancedStackTrace.Frames.cs
@@ -335,27 +335,34 @@ namespace System.Diagnostics
                     }
                 }
 
-                var rawIL = methodBody?.GetILAsByteArray();
-                if (rawIL == null) continue;
-
-                var reader = new ILReader(rawIL);
-                while (reader.Read(candidateMethod))
+                try
                 {
-                    if (reader.Operand is MethodBase mb)
+                    var rawIL = methodBody?.GetILAsByteArray();
+                    if (rawIL == null) continue;
+                    var reader = new ILReader(rawIL);
+                    while (reader.Read(candidateMethod))
                     {
-                        if (method == mb || (matchHint != null && method.Name.Contains(matchHint)))
+                        if (reader.Operand is MethodBase mb)
                         {
-                            if (kind == GeneratedNameKind.LambdaMethod)
+                            if (method == mb || (matchHint != null && method.Name.Contains(matchHint)))
                             {
-                                GetOrdinal(method, ref ordinal);
-                            }
+                                if (kind == GeneratedNameKind.LambdaMethod)
+                                {
+                                    GetOrdinal(method, ref ordinal);
+                                }
 
-                            method = candidateMethod;
-                            type = method.DeclaringType;
-                            return true;
+                                method = candidateMethod;
+                                type = method.DeclaringType;
+                                return true;
+                            }
                         }
                     }
                 }
+                catch
+                {
+                    // https://github.com/benaadams/Ben.Demystifier/issues/32
+                    // Skip methods where il can't be interpreted
+                }
             }
 
             return false;