Fixed exception when loading a project when a referenced library was missing dependencies.

git-svn-id: svn://svn.sharpdevelop.net/sharpdevelop/branches/2.0@1176 1ccf3a8d-04fe-1044-b7c0-cef0b8235c61

src/Main/Base/Project/Src/Dom/ReflectionLayer/ReflectionLoader.cs

@@ -27,7 +27,11 @@ namespace ICSharpCode.SharpDevelop.Dom
 					return null;
 				return DomPersistence.SaveProjectContent(content);
 			} catch (Exception ex) {
-				LoggingService.Error(ex);
+				if (ex is FileLoadException) {
+					LoggingService.Info(ex);
+				} else {
+					LoggingService.Error(ex);
+				}
 				throw;
 			}
 		}
@@ -48,10 +52,10 @@ namespace ICSharpCode.SharpDevelop.Dom
 				if (assembly != null)
 					return new ReflectionProjectContent(assembly);
 				else
-					return null;
-			} catch (BadImageFormatException) {
+					throw new FileLoadException("Assembly not found.");
+			} catch (BadImageFormatException ex) {
 				LoggingService.Warn("BadImageFormat: " + include);
-				return null;
+				throw new FileLoadException(ex.Message, ex);
 			} finally {
 				AppDomain.CurrentDomain.ReflectionOnlyAssemblyResolve -= AssemblyResolve;
 				lookupDirectory = null;

src/Main/Base/Project/Src/Services/ParserService/ProjectContentRegistry.cs

@@ -172,9 +172,13 @@ namespace ICSharpCode.Core
 				object o = domain.CreateInstanceAndUnwrap(typeof(ReflectionLoader).Assembly.FullName, typeof(ReflectionLoader).FullName);
 				ReflectionLoader loader = (ReflectionLoader)o;
 				database = loader.LoadAndCreateDatabase(filename, include);
+			} catch (FileLoadException e) {
+				database = null;
+				WorkbenchSingleton.SafeThreadAsyncCall((Action3<string, string, string>)ShowErrorMessage,
+				                                       new object[] { filename, include, e.Message });
 			} catch (Exception e) {
 				database = null;
-				MessageService.ShowError(e, "Error loading " + include + " from " + filename);
+				MessageService.ShowError(e, "Error loading code-completion information for " + include + " from " + filename);
 			} finally {
 				AppDomain.Unload(domain);
 			}
@@ -187,6 +191,16 @@ namespace ICSharpCode.Core
 			}
 		}
 		
+		delegate void Action3<A, B, C>(A a, B b, C c);
+		
+		static void ShowErrorMessage(string filename, string include, string message)
+		{
+			WorkbenchSingleton.Workbench.GetPad(typeof(CompilerMessageView)).BringPadToFront();
+			TaskService.BuildMessageViewCategory.AppendText("Error loading code-completion information for "
+			                                                + include + " from " + filename
+			                                                + ":\r\n" + message + "\r\n");
+		}
+		
 		public static Assembly MscorlibAssembly {
 			get {
 				return typeof(object).Assembly;