NRefactory C# parser: fixed parse error for unknown attribute targets - the C# compiler only emits a warning for those

git-svn-id: svn://svn.sharpdevelop.net/sharpdevelop/branches/3.0@5003 1ccf3a8d-04fe-1044-b7c0-cef0b8235c61

src/Libraries/NRefactory/Project/Src/Parser/CSharp/CSharpParser.cs

@@ -503,9 +503,7 @@ namespace ICSharpCode.NRefactory.Parser.CSharp
 			string val = la.val;
 
 			return (cur == Tokens.Event || cur == Tokens.Return ||
-			        (Tokens.IdentifierTokens[cur] &&
-			         (val == "field" || val == "method"   || val == "module" ||
-			          val == "param" || val == "property" || val == "type"))) &&
+			        Tokens.IdentifierTokens[cur]) &&
 				Peek(1).kind == Tokens.Colon;
 		}
 

src/Libraries/NRefactory/Project/Src/Parser/CSharp/cs.ATG

@@ -297,12 +297,7 @@ AttributeSection<out AttributeSection section>
 	[ IF (IsLocalAttrTarget())
 		( "event"                       (. attributeTarget = "event";.)
 		| "return"                      (. attributeTarget = "return";.)
-		| Identifier                    (. if (t.val != "field"   && t.val != "method" &&
-		                                      t.val != "param" &&
-		                                      t.val != "property" && t.val != "type")
-		                                    Error("attribute target specifier (field, event, method, param, property, return or type) expected");
-		                                   attributeTarget = t.val;
-		                                .)
+		| Identifier                    (. attributeTarget = t.val; .)
 		) ":" 
 	]
 	/*--- attribute list: */

src/Libraries/NRefactory/Test/Parser/GlobalScope/TypeDeclarationTests.cs

@@ -179,6 +179,28 @@ public abstract class MyClass : MyBase, Interface1, My.Test.Interface2
 			Assert.AreEqual(ClassType.Enum, td.Type);
 			Assert.AreEqual("MyEnum", td.Name);
 		}
+		
+		[Test]
+		public void ContextSensitiveKeywordTest()
+		{
+			TypeDeclaration td = ParseUtilCSharp.ParseGlobal<TypeDeclaration>("partial class partial<[partial: where] where> where where : partial<where> { }");
+			
+			Assert.AreEqual(Modifiers.Partial, td.Modifier);
+			Assert.AreEqual("partial", td.Name);
+			
+			Assert.AreEqual(1, td.Templates.Count);
+			TemplateDefinition tp = td.Templates[0];
+			Assert.AreEqual("where", tp.Name);
+			
+			Assert.AreEqual(1, tp.Attributes.Count);
+			Assert.AreEqual("partial", tp.Attributes[0].AttributeTarget);
+			Assert.AreEqual(1, tp.Attributes[0].Attributes.Count);
+			Assert.AreEqual("where", tp.Attributes[0].Attributes[0].Name);
+			
+			Assert.AreEqual(1, tp.Bases.Count);
+			Assert.AreEqual("partial", tp.Bases[0].Type);
+			Assert.AreEqual("where", tp.Bases[0].GenericTypes[0].Type);
+		}
 		#endregion
 		
 		#region VB.NET