Add support for .net 1.x XML security declarations

ICSharpCode.Decompiler/Disassembler/ReflectionDisassembler.cs

@@ -337,7 +337,10 @@ namespace ICSharpCode.Decompiler.Disassembler
 				output.WriteLine(" = {");
 				output.Indent();
 				var blob = metadata.GetBlobReader(secdecl.PermissionSet);
-				if ((char)blob.ReadByte() != '.') throw new InvalidOperationException("sanity check!");
+				if ((char)blob.ReadByte() != '.') {
+					blob.Reset();
+					WriteXmlSecurityDeclaration(blob.ReadUTF8(blob.RemainingBytes));
+				} else {
 					int count = blob.ReadCompressedInteger();
 					for (int i = 0; i < count; i++) {
 						var typeName = blob.ReadSerializedString();
@@ -378,11 +381,18 @@ namespace ICSharpCode.Decompiler.Disassembler
 							output.Write(',');
 						output.WriteLine();
 					}
+				}
 				output.Unindent();
 				output.WriteLine("}");
 			}
 		}
 
+		void WriteXmlSecurityDeclaration(string xml)
+		{
+			output.Write("property string XML = ");
+			output.Write("string('{0}')", DisassemblerHelpers.EscapeString(xml).Replace("'", "\'"));
+		}
+
 		enum TypeKind
 		{
 			Primitive,
@@ -709,7 +719,8 @@ namespace ICSharpCode.Decompiler.Disassembler
 					output.Write("unsigned int");
 					break;
 				case 0x26: // NATIVE_TYPE_FUNC
-					goto default;  // ??
+					output.Write("Func");
+					break;
 				case 0x2a: // NATIVE_TYPE_ARRAY
 					if (blob.RemainingBytes > 0)
 						WriteNativeType(ref blob);
@@ -755,6 +766,7 @@ namespace ICSharpCode.Decompiler.Disassembler
 					break;
 				case 0x1d: // SafeArray
 					output.Write("safearray ");
+					if (blob.RemainingBytes > 0) {
 						byte elementType = blob.ReadByte();
 						switch (elementType) {
 							case 0: // None
@@ -820,6 +832,7 @@ namespace ICSharpCode.Decompiler.Disassembler
 								output.Write(elementType.ToString());
 								break;
 						}
+					}
 					break;
 				case 0x1e: // FixedArray
 					output.Write("fixed array");