partial support for named arguments in attributes.

ICSharpCode.Decompiler/Ast/AstBuilder.cs

@@ -600,6 +600,7 @@ namespace Decompiler
 					attribute.Type = ConvertType(customAttribute.AttributeType);
 					section.Attributes.Add(attribute);
 
+					if(customAttribute.HasConstructorArguments)
 						foreach (var parameter in customAttribute.ConstructorArguments)
 						{
 							var isEnum = parameter.Type.IsValueType && !parameter.Type.IsPrimitive;
@@ -615,6 +616,14 @@ namespace Decompiler
 							attribute.Arguments.Add(parameterValue);
 						}
 
+					if (customAttribute.HasProperties)
+						foreach (var property in customAttribute.Properties)
+						{
+							var propertyReference = customAttribute.AttributeType.Resolve().Properties.First(pr => pr.Name == property.Name);
+							var propertyName = new IdentifierExpression(property.Name).WithAnnotation(propertyReference);
+							var propertyArgument = new PrimitiveExpression(property.Argument.Value);
+							attribute.Arguments.Add(new AssignmentExpression(propertyName, propertyArgument));
+						}
 				}
 
 				attributedNode.Attributes.Add(section);

ICSharpCode.Decompiler/Tests/CustomAttributes/CustomAttributeSamples.cs

@@ -11,7 +11,7 @@ namespace ParameterLessAttributeUsage
 	[Flags]
 	public enum EnumWithFlagsAttribute
 	{
-		None
+		None = 0
 	}
 }
 //$$ AttributeWithEnumArgument
@@ -79,3 +79,11 @@ namespace AttributeAppliedToMethod
 		}
 	}
 }
+//$$ NamedParameter
+namespace NamedParameter
+{
+	[AttributeUsage(AttributeTargets.Method, AllowMultiple = true)]
+	public class MyAttributeAttribute : Attribute
+	{
+	}
+}