Fix errors on saving T4MVC.tt

src/AddIns/Misc/PackageManagement/Project/Src/VisualStudio/SDTE.cs

@@ -16,15 +16,15 @@
 // OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
 // DEALINGS IN THE SOFTWARE.
 
-//using System;
-//using ICSharpCode.PackageManagement.EnvDTE;
-//
-//namespace Microsoft.VisualStudio.Shell.Interop
-//{
-//	public class SDTE : DTE
-//	{
-//		public SDTE()
-//		{
-//		}
-//	}
-//}
+using System;
+using ICSharpCode.PackageManagement.EnvDTE;
+
+namespace Microsoft.VisualStudio.Shell.Interop
+{
+	public class SDTE : DTE
+	{
+		public SDTE()
+		{
+		}
+	}
+}

src/Main/SharpDevelop/Parser/ParserServiceEntry.cs

@@ -181,7 +181,7 @@ namespace ICSharpCode.SharpDevelop.Parser
 		#region Parse
 		public ParseInformation Parse(ITextSource fileContent, IProject parentProject, CancellationToken cancellationToken)
 		{
-			if (fileContent == null) {
+			if (fileContent == null && parser != null) {
 				fileContent = parser.GetFileContent(fileName);
 			}
 			
@@ -190,7 +190,7 @@ namespace ICSharpCode.SharpDevelop.Parser
 		
 		public IUnresolvedFile ParseFile(ITextSource fileContent, IProject parentProject, CancellationToken cancellationToken)
 		{
-			if (fileContent == null) {
+			if (fileContent == null && parser != null) {
 				fileContent = parser.GetFileContent(fileName);
 			}