Added work around for issue #73.

But needs to be fixed on parser level.

ICSharpCode.NRefactory.CSharp/Parser/CSharpParser.cs

@@ -103,7 +103,9 @@ namespace ICSharpCode.NRefactory.CSharp
 						first = false;
 						if (mc.OptAttributes != null) {
 							foreach (var attr in mc.OptAttributes.Sections) {
-								unit.AddChild (ConvertAttributeSection (attr), SyntaxTree.MemberRole);
+								var section = ConvertAttributeSection(attr);
+								if (section !=	null)
+									unit.AddChild (section, SyntaxTree.MemberRole);
 							}
 						}
 					}
@@ -958,8 +960,9 @@ namespace ICSharpCode.NRefactory.CSharp
 					return;
 				foreach (var attr in attrs.Sections) {
 					var section = ConvertAttributeSection(attr);
-					if (section != null)
-						parent.AddChild (section, role);
+					if (section == null || section.AttributeTarget == "module" || section.AttributeTarget == "assembly")
+						continue;
+					parent.AddChild (section, role);
 				}
 			}
 

ICSharpCode.NRefactory.Tests/CSharp/Parser/TypeSystemConvertVisitorTests.cs

@@ -99,6 +99,22 @@ namespace ICSharpCode.NRefactory.CSharp.Parser
 			Assert.IsTrue (field.IsConst);
 			Assert.IsNull (field.ConstantValue);
 		}
+
+		[Test]
+		public void AssemblyAndModuleAttributesDoNotAppearOnTypes() 
+		{
+			var parser = new CSharpParser();
+			var cu = parser.Parse("[assembly: My1][module: My2][My3]class C {} public class My1Attribute : System.Attribute {} public class My2Attribute : System.Attribute {} public class My3Attribute : System.Attribute {}", "File.cs");
+
+			var ts = cu.ToTypeSystem();
+			var compilation = new CSharpProjectContent()
+				.UpdateProjectContent(null, ts)
+				.AddAssemblyReferences(new[] { CecilLoaderTests.Mscorlib })
+				.CreateCompilation();
+			var type = ReflectionHelper.ParseReflectionName("C").Resolve(compilation).GetDefinition();
+			Assert.That(type.Attributes.Select(a => a.AttributeType.FullName).ToList(), Is.EqualTo(new[] { "My3Attribute" }));
+		}
+
 	}
 	
 	[TestFixture]