From c41d195b88cfa393c4aa27a5161af0ae77192fb4 Mon Sep 17 00:00:00 2001
From: triton <ripzonetriton@gmail.com>
Date: Mon, 13 Jan 2014 16:51:12 +0000
Subject: [PATCH] Improved the exception message for marshaling failures.

---
 src/Generator/Generators/CLI/CLISourcesTemplate.cs | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/Generator/Generators/CLI/CLISourcesTemplate.cs b/src/Generator/Generators/CLI/CLISourcesTemplate.cs
index a624afd3..a1cb9fa1 100644
--- a/src/Generator/Generators/CLI/CLISourcesTemplate.cs
+++ b/src/Generator/Generators/CLI/CLISourcesTemplate.cs
@@ -943,7 +943,8 @@ namespace CppSharp.Generators.CLI
                 param.Visit(marshal);
 
                 if (string.IsNullOrEmpty(marshal.Context.Return))
-                    throw new Exception("Cannot marshal argument of function");
+                    throw new Exception(string.Format("Cannot marshal argument of function '{0}'",
+                        function.QualifiedOriginalName));
 
                 if (!string.IsNullOrWhiteSpace(marshal.Context.SupportBefore))
                     Write(marshal.Context.SupportBefore);