Show error message when going to designer mode in a file with syntax errors instead of displaying an empty form.

git-svn-id: svn://svn.sharpdevelop.net/sharpdevelop/trunk@463 1ccf3a8d-04fe-1044-b7c0-cef0b8235c61

src/AddIns/DisplayBindings/FormDesigner/Project/FormDesigner.csproj

@@ -107,6 +107,7 @@
     </None>
     <Compile Include="Src\FormDesigner\DesignerGenerator\VBNetDesignerGenerator.cs" />
     <Compile Include="Src\FormDesigner\DesignerLoader\DesignerLoaderProvider.cs" />
+    <Compile Include="Src\FormDesigner\DesignerLoader\FormDesignerLoadException.cs" />
   </ItemGroup>
   <ItemGroup>
     <ProjectReference Include="..\..\..\..\Libraries\ICSharpCode.TextEditor\Project\ICSharpCode.TextEditor.csproj">

src/AddIns/DisplayBindings/FormDesigner/Project/Src/FormDesigner/DesignerGenerator/VBNetDesignerGenerator.cs

@@ -158,7 +158,7 @@ namespace ICSharpCode.FormDesigner
 			return null;
 		}
 		
-		protected static string GenerateParams(EventDescriptor edesc, bool paramNames)
+		protected static string GenerateParams(EventDescriptor edesc)
 		{
 			System.Type type =  edesc.EventType;
 			MethodInfo mInfo = type.GetMethod("Invoke");
@@ -173,15 +173,14 @@ namespace ICSharpCode.FormDesigner
 			for (int i = 0; i < mInfo.GetParameters().Length; ++i)  {
 				ParameterInfo pInfo  = mInfo.GetParameters()[i];
 				
+				param += pInfo.Name;
+				param += " As ";
+				
 				string typeStr = pInfo.ParameterType.ToString();
 				if (csa != null) {
 					typeStr = csa.GetIntrinsicTypeName(typeStr);
 				}
 				param += typeStr;
-				if (paramNames == true) {
-					param += " ";
-					param += pInfo.Name;
-				}
 				if (i + 1 < mInfo.GetParameters().Length) {
 					param += ", ";
 				}
@@ -217,7 +216,7 @@ namespace ICSharpCode.FormDesigner
 			
 			int offset = viewContent.Document.GetLineSegment(c.Region.EndLine - 1).Offset;
 			
-			string param = GenerateParams(edesc, true);
+			string param = GenerateParams(edesc);
 			
 			string text = "Sub " + eventMethodName + "(" + param + ")\n" +
 				body +

src/AddIns/DisplayBindings/FormDesigner/Project/Src/FormDesigner/DesignerLoader/FormDesignerLoadException.cs

@@ -0,0 +1,32 @@
+/*
+ * Created by SharpDevelop.
+ * User: Daniel Grunwald
+ * Date: 08.09.2005
+ * Time: 17:25
+ */
+
+using System;
+using System.Runtime.Serialization;
+
+namespace ICSharpCode.FormDesigner
+{
+	[Serializable()]
+	public class FormDesignerLoadException : ApplicationException
+	{
+		public FormDesignerLoadException() : base()
+		{
+		}
+		
+		public FormDesignerLoadException(string message) : base(message)
+		{
+		}
+		
+		public FormDesignerLoadException(string message, Exception innerException) : base(message, innerException)
+		{
+		}
+		
+		protected FormDesignerLoadException(SerializationInfo info, StreamingContext context) : base(info, context)
+		{
+		}
+	}
+}

src/AddIns/DisplayBindings/FormDesigner/Project/Src/FormDesigner/DesignerLoader/NRefactoryDesignerLoader.cs

@@ -113,6 +113,10 @@ namespace ICSharpCode.FormDesigner
 			ICSharpCode.NRefactory.Parser.IParser p = ICSharpCode.NRefactory.Parser.ParserFactory.CreateParser(language, new StringReader(lastTextContent));
 			p.Parse();
 			
+			if (p.Errors.count > 0) {
+				throw new FormDesignerLoadException(p.Errors.ErrorOutput);
+			}
+			
 			// Try to fix the type names to fully qualified ones
 			ParseInformation parseInfo = ParserService.GetParseInformation(textEditorControl.FileName);
 			FixTypeNames(p.CompilationUnit, parseInfo.BestCompilationUnit);

src/AddIns/DisplayBindings/FormDesigner/Project/Src/FormDesigner/FormDesignerViewContent.cs

@@ -54,8 +54,6 @@ namespace ICSharpCode.FormDesigner
 		
 		protected ITextEditorControlProvider textAreaControlProvider;
 		
-		protected string compilationErrors;
-		
 		Panel p = new Panel();
 		DesignSurface designSurface;
 		
@@ -190,7 +188,21 @@ namespace ICSharpCode.FormDesigner
 					p.Controls.Add(designer);
 				}
 			} catch (Exception e) {
-				MessageService.ShowError(e);
+				failedDesignerInitialize = true;
+				TextBox errorText = new TextBox();
+				errorText.Multiline = true;
+				if (e.InnerException is FormDesignerLoadException)
+					errorText.Text = e.InnerException.Message;
+				else if (e is FormDesignerLoadException)
+					errorText.Text = e.Message;
+				else
+					errorText.Text = e.ToString();
+				errorText.Dock = DockStyle.Fill;
+				p.Controls.Add(errorText);
+				Control title = new Label();
+				title.Text = "Failed to load designer. Check the source code for syntax errors.";
+				title.Dock = DockStyle.Top;
+				p.Controls.Add(title);
 			}
 		}
 		

src/Libraries/NRefactory/Project/Src/Parser/Errors.cs

@@ -1,4 +1,4 @@
-// <file>
+// <file>
 //     <copyright see="prj:///doc/copyright.txt">2002-2005 AlphaSierraPapa</copyright>
 //     <license see="prj:///doc/license.txt">GNU General Public License</license>
 //     <owner name="none" email=""/>
@@ -42,14 +42,12 @@ namespace ICSharpCode.NRefactory.Parser
 	
 		void DefaultCodeError(int line, int col, int n)
 		{
-			errorText.Append(String.Format("-- line {0} col {1}: error {2}", line, col, n));
-			errorText.Append("\n");
+			errorText.AppendLine(String.Format("-- line {0} col {1}: error {2}", line, col, n));
 			count++;
 		}
 	
 		void DefaultMsgError(int line, int col, string s) {
-			errorText.Append(String.Format("-- line {0} col {1}: {2}", line, col, s));
-			errorText.Append("\n");
+			errorText.AppendLine(String.Format("-- line {0} col {1}: {2}", line, col, s));
 			count++;
 		}
 	} // Errors

src/Main/Base/Project/Src/Services/ProjectService/ProjectService.cs

@@ -302,6 +302,7 @@ namespace ICSharpCode.SharpDevelop.Project
 		public static void CloseSolution()
 		{
 			if (openSolution != null) {
+				CurrentProject = null;
 				OnSolutionClosing(new SolutionEventArgs(openSolution));
 				
 				openSolution.Dispose();