[Completion] Fixed bug in anonymous type creation.

ICSharpCode.NRefactory.CSharp/Completion/CSharpCompletionEngine.cs

@@ -619,7 +619,7 @@ namespace ICSharpCode.NRefactory.CSharp.Completion
 					if (IsInsideCommentStringOrDirective()) {
 						tokenIndex = offset;
 						token = GetPreviousToken(ref tokenIndex, false);
-						if (IsInPreprocessorDirective() && (token.Length == 1 && char.IsLetter (completionChar) || controlSpace)) {
+						if (IsInPreprocessorDirective() && (token.Length == 1 && char.IsLetter(completionChar) || controlSpace)) {
 							while (token != null && document.GetCharAt (tokenIndex - 1) != '#') {
 								token = GetPreviousToken(ref tokenIndex, false);
 							}
@@ -671,8 +671,8 @@ namespace ICSharpCode.NRefactory.CSharp.Completion
 								new ExpressionResult(
 								((MemberReferenceExpression)identifierStart.Node).Target,
 								identifierStart.Unit
-								)
-								);
+							)
+							);
 						}
 						
 						if (identifierStart.Node is Identifier) {
@@ -728,7 +728,6 @@ namespace ICSharpCode.NRefactory.CSharp.Completion
 							return HandleKeywordCompletion(tokenIndex, token);
 						}
 					}
-					
 					if (identifierStart == null) {
 						var accCtx = HandleAccessorContext();
 						if (accCtx != null) {
@@ -744,6 +743,10 @@ namespace ICSharpCode.NRefactory.CSharp.Completion
 						AutoSelect = false;
 					}
 
+					// new { b$ } 
+					if (n is IdentifierExpression && n.Parent is AnonymousTypeCreateExpression)
+						return null;
+
 					// Handle foreach (type name _
 					if (n is IdentifierExpression) {
 						var prev = n.GetPrevNode() as ForeachStatement;
@@ -755,7 +758,6 @@ namespace ICSharpCode.NRefactory.CSharp.Completion
 							return null;
 						}
 					}
-					
 					// Handle object/enumerable initialzer expressions: "new O () { P$"
 					if (n is IdentifierExpression && n.Parent is ArrayInitializerExpression && !(n.Parent.Parent is ArrayCreateExpression)) {
 						var result = HandleObjectInitializer(identifierStart.Unit, n);

ICSharpCode.NRefactory.Tests/CSharp/CodeCompletion/ObjectInitializerTests.cs

@@ -704,9 +704,49 @@ class C : S
 			Assert.IsNull(provider.Find("MinValue"), "'MinValue' found.");
 		}
 
+		[Test]
+		public void TestAnonymousTypes()
+		{
+			CodeCompletionBugTests.CombinedProviderTest(
+				@"class Test 
+{
+   
+    public static void Main(string [] args)
+    {
+		var mm = new {
+            $b$
+        };
 
+    }
+}
 
-	}
+", provider => {
+				Assert.IsTrue(provider == null || provider.Count == 0);
+			});
+			
+		}
+
+		[Test]
+		public void TestAnonymousTypesCase2()
+		{
+			CodeCompletionBugTests.CombinedProviderTest(
+				@"class Test 
+{
+   
+    public static void Main(string [] args)
+    {
+		var mm = new {
+            $bar = a$
+        };
 
+    }
+}
+
+", provider => {
+				Assert.IsNotNull(provider.Find("args"), "'args' not found.");
+			});
+			
+		}
+	}
 }