ValueParameterUnusedIssue: highlight only the 'get'/'set'/'add'/'remove' keyword, not the whole accessor body

ICSharpCode.NRefactory.CSharp/Ast/TypeMembers/Accessor.cs

@@ -71,6 +71,22 @@ namespace ICSharpCode.NRefactory.CSharp
 			get { return EntityType.Method; }
 		}
 		
+		/// <summary>
+		/// Gets the 'get'/'set'/'add'/'remove' keyword
+		/// </summary>
+		public CSharpTokenNode Keyword {
+			get {
+				for (AstNode child = this.FirstChild; child != null; child = child.NextSibling) {
+					if (child.Role == PropertyDeclaration.GetKeywordRole || child.Role == PropertyDeclaration.SetKeywordRole
+					    || child.Role == CustomEventDeclaration.AddKeywordRole || child.Role == CustomEventDeclaration.RemoveKeywordRole)
+					{
+						return (CSharpTokenNode)child;
+					}
+				}
+				return CSharpTokenNode.Null;
+			}
+		}
+		
 		public BlockStatement Body {
 			get { return GetChildByRole (Roles.Body); }
 			set { SetChildByRole (Roles.Body, value); }

ICSharpCode.NRefactory.CSharp/Refactoring/CodeActions/ConvertToInitializer/StatementsToInitializerConverter.cs

@@ -416,10 +416,8 @@ namespace ICSharpCode.NRefactory.CSharp.Refactoring
 		{
 			return
 				from n in node.DescendantsAndSelf
-					from annotation in n.Annotations
-					let replacementAnnotation = annotation as ReplacementNodeAnnotation
-					where replacementAnnotation != null
-					select replacementAnnotation;
+				from replacementAnnotation in n.Annotations.OfType<ReplacementNodeAnnotation>()
+				select replacementAnnotation;
 		}
 
 		public static IList<AstNode> GetReplacedNodes(AstNode expression)

ICSharpCode.NRefactory.CSharp/Refactoring/CodeIssues/ValueParameterUnusedIssue.cs

@@ -51,12 +51,12 @@ namespace ICSharpCode.NRefactory.CSharp.Refactoring
 
 			public override void VisitIndexerDeclaration(IndexerDeclaration indexerDeclaration)
 			{
-				FindIssuesInNode(indexerDeclaration.Setter, indexerDeclaration.Setter.Body);
+				FindIssuesInAccessor(indexerDeclaration.Setter);
 			}
 
 			public override void VisitPropertyDeclaration(PropertyDeclaration propertyDeclaration)
 			{
-				FindIssuesInNode(propertyDeclaration.Setter, propertyDeclaration.Setter.Body);
+				FindIssuesInAccessor(propertyDeclaration.Setter);
 			}
 
 			public override void VisitCustomEventDeclaration(CustomEventDeclaration eventDeclaration)
@@ -70,8 +70,9 @@ namespace ICSharpCode.NRefactory.CSharp.Refactoring
 				FindIssuesInNode(removeAccessor, removeAccessor.Body, "remove accessor");
 			}
 
-			void FindIssuesInNode(AstNode anchor, BlockStatement body, string accessorName = "setter")
+			void FindIssuesInAccessor(Accessor accessor, string accessorName = "setter")
 			{
+				var body = accessor.Body;
 				if (!IsEligible(body))
 					return;
 
@@ -90,7 +91,7 @@ namespace ICSharpCode.NRefactory.CSharp.Refactoring
 				}
 
 				if(!referenceFound)
-					AddIssue(anchor, ctx.TranslateString("The " + accessorName + " does not use the 'value' parameter"));
+					AddIssue(accessor.Keyword, ctx.TranslateString("The " + accessorName + " does not use the 'value' parameter"));
 			}
 
 			static bool IsEligible(BlockStatement body)