Merge pull request #1 from SanjayGuntur/master

Port CodeCleanup bug fixes from CodePlex

Author: citizenmatt

src/StyleCop.ReSharper/CodeCleanup/Rules/LayoutRules.cs

@@ -363,6 +363,12 @@ private static void CommentsMustBePreceededByBlankLine(ITreeNode node)
                                     continue;
                                 }
 
+                                if (siblingMinus3 is ISwitchLabelStatement)
+                                {
+                                    // if we're the start of a switch block then don't insert a new line. 
+                                    continue;
+                                }
+
                                 if (siblingMinus3Token != null && siblingMinus3Token.GetTokenType() == CSharpTokenType.LBRACE)
                                 {
                                     // if we're the start of a code block then don't insert a new line.
@@ -423,7 +429,7 @@ private static void CommentsMustNotBeFollowedByBlankLine(ITreeNode node)
                             {
                                 ITokenNode nextNextNextToken = Utils.GetFirstNonWhitespaceTokenToRight(nextNextToken);
 
-                                if (nextNextToken.IsNewLine() && !(nextNextNextToken is ICommentNode))
+                                if (nextNextToken.IsNewLine() && !(nextNextNextToken is ICommentNode) && !Utils.IsCommentInFileHeader(currentNode))
                                 {
                                     ITreeNode rightNode = currentNode.FindFormattingRangeToRight();
                                     Utils.RemoveNewLineBefore(rightNode);

src/StyleCop.ReSharper/CodeCleanup/Rules/ReadabilityRules.cs

@@ -155,7 +155,7 @@ public static void RemoveEmptyComments(ITreeNode node)
                     ICommentNode commentNode = currentNode as ICommentNode;
                     if (commentNode != null && !(commentNode is IDocCommentNode))
                     {
-                        if (commentNode.CommentText.Trim() == string.Empty)
+                        if (commentNode.CommentText.Trim() == string.Empty && !Utils.IsCommentInFileHeader(currentNode))
                         {
                             ITokenNode leftToken = Utils.GetFirstNewLineTokenToLeft((ITokenNode)currentNode);
 

src/StyleCop.ReSharper/Core/Utils.cs

@@ -1458,6 +1458,24 @@ public static ITreeNode InsertWhitespaceAfter(ITreeNode currentNode, int count)
             return leafElement;
         }
 
+        public static bool IsCommentInFileHeader(ITreeNode comment)
+        {
+            for (ITreeNode currentNode = comment; currentNode != null; currentNode = currentNode.PrevSibling)
+            {
+                if (currentNode is ICommentNode || currentNode is IWhitespaceNode || currentNode is IPreprocessorDirective)
+                {
+                    continue;
+                }
+
+                if (currentNode.NodeType != null)
+                {
+                    return false;
+                }
+            }
+
+            return true;
+        }
+
         /// <summary>
         /// Indicates whether the type of the constructor passed in is a struct.
         /// </summary>