NRefactory output visitors: allow inserting specials between attributes and the attributed node.

git-svn-id: svn://svn.sharpdevelop.net/sharpdevelop/branches/2.1@2615 1ccf3a8d-04fe-1044-b7c0-cef0b8235c61

src/Libraries/NRefactory/Project/Src/PrettyPrinter/SpecialNodesInserter.cs

@@ -71,12 +71,22 @@ namespace ICSharpCode.NRefactory.PrettyPrinter
 			available = enumerator.MoveNext();
 		}
 		
+		AttributedNode currentAttributedNode;
+		
 		/// <summary>
 		/// Writes all specials up to the start position of the node.
 		/// </summary>
 		public void AcceptNodeStart(INode node)
 		{
-			AcceptPoint(node.StartLocation);
+			if (node is AttributedNode) {
+				currentAttributedNode = node as AttributedNode;
+				if (currentAttributedNode.Attributes.Count == 0) {
+					AcceptPoint(node.StartLocation);
+					currentAttributedNode = null;
+				}
+			} else {
+				AcceptPoint(node.StartLocation);
+			}
 		}
 		
 		/// <summary>
@@ -87,6 +97,12 @@ namespace ICSharpCode.NRefactory.PrettyPrinter
 			visitor.ForceWriteInPreviousLine = true;
 			AcceptPoint(node.EndLocation);
 			visitor.ForceWriteInPreviousLine = false;
+			if (currentAttributedNode != null) {
+				if (node == currentAttributedNode.Attributes[currentAttributedNode.Attributes.Count - 1]) {
+					AcceptPoint(currentAttributedNode.StartLocation);
+					currentAttributedNode = null;
+				}
+			}
 		}
 		
 		/// <summary>

src/Libraries/NRefactory/Test/Output/SpecialOutputVisitor.cs

@@ -205,5 +205,18 @@ End Class");
 			                 "\tEnd Sub\n" +
 			                 "End Class");
 		}
+		
+		[Test]
+		public void ConditionalAttribute()
+		{
+			TestProgram("class A\n" +
+			            "{\n" +
+			            "\t#if TEST\n" +
+			            "\t[MyAttribute()]\n" +
+			            "\t#endif\n" +
+			            "\tpublic int Field;\n" +
+			            "}\n" +
+			            "#end if");
+		}
 	}
 }