Removed some silent fails. Bugfixing

git-svn-id: svn://svn.sharpdevelop.net/sharpdevelop/trunk@67 1ccf3a8d-04fe-1044-b7c0-cef0b8235c61

src/AddIns/Misc/Debugger/Debugger.AddIn/Project/Src/Pads/LocalVarPad.cs

@@ -69,7 +69,7 @@ namespace ICSharpCode.SharpDevelop.Gui.Pads
 			val.Text  = "Value";
 			type.Text = "Type";
 
-            if (NDebugger.IsProcessRunning == false) {
+            if (NDebugger.IsDebugging && NDebugger.IsProcessRunning == false) {
                 debuggerService_OnDebuggingPaused(this, new DebuggingPausedEventArgs(PausedReason.StepComplete));
             }
 		}

src/AddIns/Misc/Debugger/Debugger.Core/Project/Src/Debugger/Internal/MTA2STA.cs

@@ -37,12 +37,6 @@ namespace DebuggerInterop.Core
 			System.Console.WriteLine("MTA2STA: " + msg);
 		}
 		
-		void ErrorMsg(string msg)
-		{
-			System.Console.WriteLine("MTA2STA: ERROR: " + msg);
-			MessageBox.Show(msg);
-		}
-		
 		public void CallInSTA (object targetObject, string functionName, object[] functionParameters)
 		{
 			lock (OnlyOneAtTimeLock) {
@@ -100,7 +94,9 @@ namespace DebuggerInterop.Core
 								try{
 									outputParams[i] = null;
 									outputParams[i] = Marshal.GetTypedObjectForIUnknown((IntPtr)inputParams[i], outputParamsInfo[i].ParameterType);
-								}catch {} // TODO: Walkaround
+								} catch (System.Exception exception) {
+									System.Diagnostics.Debug.Fail("Marshaling of argument " + i.ToString() + " of " + functionName + " failed.", exception.ToString());
+								}
 							}
 						} else {
 							outputParams[i] = inputParams[i];
@@ -116,8 +112,7 @@ namespace DebuggerInterop.Core
 					method.Invoke(targetObject, outputParams);
 				}
 			} catch (System.Exception exception) {
-				System.Diagnostics.Trace.WriteLine(exception.ToString());
-				//System.Diagnostics.Debug.Fail("Invoke of " + functionName + " failed.", exception.ToString());
+				System.Diagnostics.Debug.Fail("Invoke of " + functionName + " failed.", exception.ToString());
 			}
 			TraceMsg ("} \\\\ Invoke");
 		}

src/AddIns/Misc/Debugger/Debugger.Core/Project/Src/Debugger/Internal/ManagedCallback.cs

@@ -236,7 +236,9 @@ namespace DebuggerLibrary
 			if (pThread != null)
 			{
 				EnterCallback("NameChange: pThread");
-				NDebugger.Instance.GetThread(pThread).OnThreadStateChanged();
+				Thread thread = NDebugger.Instance.GetThread(pThread);
+				thread.HasBeenLoaded = true;
+				thread.OnThreadStateChanged();
 				ExitCallback_Continue();
 				return;
 			}
@@ -303,9 +305,7 @@ namespace DebuggerLibrary
 			
 			NDebugger.Instance.RemoveThread(thread);
 
-			try { // TODO
-				ExitCallback_Continue(pAppDomain);
-			} catch {}
+			ExitCallback_Continue(pAppDomain);
 		}
 
 		public void ExitAppDomain(ICorDebugProcess pProcess, ICorDebugAppDomain pAppDomain)

src/AddIns/Misc/Debugger/Debugger.Core/Project/Src/Debugger/NDebugger.cs

@@ -59,6 +59,7 @@ namespace DebuggerLibrary
 				try {
 					return CurrentThread.NextStatement; 
 				} catch (CurrentThreadNotAviableException) {
+					System.Diagnostics.Debug.Fail("Unable to get NextStatement. CurrentThreadNotAviableException");
 					throw new NextStatementNotAviableException();
 				}
 			} 
@@ -71,6 +72,7 @@ namespace DebuggerLibrary
 					thread = CurrentThread;
 				} 
 				catch (CurrentThreadNotAviableException) {
+					//System.Diagnostics.Debug.Fail("Unable to get LocalVariables. CurrentThreadNotAviableException");
 					return new VariableCollection ();
 				}
 				return thread.LocalVariables;
@@ -313,7 +315,10 @@ namespace DebuggerLibrary
 		
 		static public void Start(string filename, string workingDirectory, string arguments)		
 		{
-			if (IsDebugging) return;
+			if (IsDebugging) {
+				System.Diagnostics.Debug.Fail("Invalid operation");
+				return;
+			}
 			m2s.CallInSTA(typeof(NDebugger), "StartInternal", new Object[] {filename, workingDirectory, arguments});
 			return;
 		}
@@ -356,8 +361,10 @@ namespace DebuggerLibrary
 
 		static public void Break()
 		{
-			if (!IsDebugging) return;
-			if (!IsProcessRunning) return;
+			if (!IsDebugging || !IsProcessRunning) {
+				System.Diagnostics.Debug.Fail("Invalid operation");
+				return;
+			}
 
             corProcess.Stop(5000); // TODO: Hardcoded value
 
@@ -370,21 +377,27 @@ namespace DebuggerLibrary
 		{
 			try {
 				CurrentThread.StepInto();
-			} catch (CurrentThreadNotAviableException) {}
+			} catch (CurrentThreadNotAviableException) {
+				System.Diagnostics.Debug.Fail("Unable to prerform step. CurrentThreadNotAviableException");
+			}
 		}
 
 		static public void StepOver()
 		{
 			try {
 				CurrentThread.StepOver();
-			} catch (CurrentThreadNotAviableException) {}
+			} catch (CurrentThreadNotAviableException) {
+				System.Diagnostics.Debug.Fail("Unable to prerform step. CurrentThreadNotAviableException");
+			}
 		}
 
 		static public void StepOut()
 		{
 			try {
 				CurrentThread.StepOut();
-			} catch (CurrentThreadNotAviableException) {}
+			} catch (CurrentThreadNotAviableException) {
+				System.Diagnostics.Debug.Fail("Unable to prerform step. CurrentThreadNotAviableException");
+			}
 		}
 
 		static internal void Continue(ICorDebugAppDomain pAppDomain)
@@ -397,8 +410,10 @@ namespace DebuggerLibrary
 
 		static public void Continue()
 		{
-			if (!IsDebugging) return;
-			if (IsProcessRunning) return;
+			if (!IsDebugging || IsProcessRunning) {
+				System.Diagnostics.Debug.Fail("Invalid operation");
+				return;
+			}
 
 			bool abort = false;
 			OnDebuggingIsResuming(ref abort);
@@ -415,7 +430,10 @@ namespace DebuggerLibrary
 
 		static public void Terminate()
 		{
-			if (!IsDebugging) return;
+			if (!IsDebugging) {
+				System.Diagnostics.Debug.Fail("Invalid operation");
+				return;
+			}
 
 			int running;
 			corProcess.IsRunning(out running);
@@ -452,7 +470,7 @@ namespace DebuggerLibrary
 			foreach (Breakpoint breakpoint in Breakpoints) {
 				// TODO check filename too
 				if (breakpoint.SourcecodeSegment.StartLine == line) {
-					Breakpoints.Remove(breakpoint);
+					RemoveBreakpoint(breakpoint);
 					return;
 				}
 			}

src/AddIns/Misc/Debugger/Debugger.Core/Project/Src/Threads/Exception.cs

@@ -20,6 +20,8 @@ namespace DebuggerLibrary
 		ExceptionType     exceptionType;
 		SourcecodeSegment location;
 		DateTime          creationTime;
+		string            type;
+		string            message;
 	
 		internal Exception(Thread thread)
 		{
@@ -28,15 +30,23 @@ namespace DebuggerLibrary
 			thread.CorThread.GetCurrentException(out corValue);
 			exceptionType = thread.CurrentExceptionType;
 			runtimeVariable    = VariableFactory.CreateVariable(corValue, "$exception");
-			runtimeVariableException = (ObjectVariable)runtimeVariable;
-			while (runtimeVariableException.Type != "System.Exception") {
-				if (runtimeVariableException.HasBaseClass == false) {
-					runtimeVariableException = null;
-					break;
+			runtimeVariableException = runtimeVariable as ObjectVariable;
+			if (runtimeVariableException != null) {
+				while (runtimeVariableException.Type != "System.Exception") {
+					if (runtimeVariableException.HasBaseClass == false) {
+						runtimeVariableException = null;
+						break;
+					}
+					runtimeVariableException = runtimeVariableException.BaseClass;
 				}
-				runtimeVariableException = runtimeVariableException.BaseClass;
+				message = runtimeVariableException.SubVariables["_message"].Value.ToString();
 			}
-			location = thread.NextStatement;
+			try {
+				location = thread.NextStatement;
+			} catch (NextStatementNotAviableException) {
+				location = new SourcecodeSegment();
+			}
+			type = runtimeVariable.Type;
 		}
 	
 		public override string ToString() {
@@ -47,13 +57,13 @@ namespace DebuggerLibrary
 	
 	    public string Type {
 			get {
-				return runtimeVariable.Type;
+				return type;
 			}
 		}
 	
 		public string Message {
 			get {
-				return runtimeVariableException.SubVariables["_message"].Value.ToString();
+				return message;
 			}
 		}
 

src/AddIns/Misc/Debugger/Debugger.Core/Project/Src/Threads/Function.cs

@@ -130,12 +130,16 @@ namespace DebuggerLibrary
 
 		private unsafe void Step(bool stepIn)
 		{
-			if (Module.SymbolsLoaded == false) return;
+			if (Module.SymbolsLoaded == false) {
+				System.Diagnostics.Debug.Fail("Unable to step. No symbols loaded.");
+				return;
+			}
 
 			SourcecodeSegment nextSt;
 			try {
 				nextSt = NextStatement;// Cache
 			} catch (NextStatementNotAviableException) {
+				System.Diagnostics.Debug.Fail("Unable to step. Next statement not aviable");
 				return;
 			}			
 
@@ -316,8 +320,12 @@ namespace DebuggerLibrary
 					}
 				}
 			} 
-			catch (FrameNotAviableException) {}
-			catch (SymbolsNotAviableException) {}
+			catch (FrameNotAviableException) {
+				System.Diagnostics.Debug.Fail("Unable to get local variables. Frame is not aviable");
+			}
+			catch (SymbolsNotAviableException) {
+				System.Diagnostics.Debug.Fail("Unable to get local variables. Symbols are not aviable");
+			}
 			return collection;
 		}
 

src/AddIns/Misc/Debugger/Debugger.Core/Project/Src/Threads/Thread.cs

@@ -20,9 +20,19 @@ namespace DebuggerLibrary
 		bool lastSuspendedState = false;
 		ThreadPriority lastPriority = ThreadPriority.Normal;
 		string lastName = string.Empty;
+		bool hasBeenLoaded = false;
 		
 		readonly ICorDebugThread corThread;
 
+		internal bool HasBeenLoaded {
+			get {
+				return hasBeenLoaded;
+			}
+			set {
+				hasBeenLoaded = value;
+			}
+		}
+
 		public uint ID { 
 			get{ 
 				return id; 
@@ -66,18 +76,20 @@ namespace DebuggerLibrary
 
 		public ThreadPriority Priority {
 			get {
+				if (!HasBeenLoaded) return lastPriority;
 				if (NDebugger.IsProcessRunning) return lastPriority;
 
-				Variable runTimeVar = runtimeVariable;
+				Variable runTimeVar = RuntimeVariable;
 				if (runTimeVar is NullRefVariable) return ThreadPriority.Normal;
-				lastPriority = (ThreadPriority)(int)(runtimeVariable.SubVariables["m_Priority"] as BuiltInVariable).Value;
+				lastPriority = (ThreadPriority)(int)(runTimeVar.SubVariables["m_Priority"] as BuiltInVariable).Value;
 				return lastPriority;
 			}
 		}
 
 
-		public Variable runtimeVariable {
+		public Variable RuntimeVariable {
 			get {
+				if (!HasBeenLoaded) throw new UnableToGetPropertyException(this, "runtimeVariable", "Thread has not started jet");
 				if (NDebugger.IsProcessRunning) throw new UnableToGetPropertyException(this, "runtimeVariable", "Process is running");
 				ICorDebugValue corValue;
 				corThread.GetObject(out corValue);
@@ -88,8 +100,9 @@ namespace DebuggerLibrary
 
 		public string Name {
 			get	{
+				if (!HasBeenLoaded) return lastName;
 				if (NDebugger.IsProcessRunning) return lastName;
-				Variable runtimeVar  = runtimeVariable;
+				Variable runtimeVar  = RuntimeVariable;
 				if (runtimeVar is NullRefVariable) return lastName;
 				Variable runtimeName = runtimeVar.SubVariables["m_Name"];
 				if (runtimeName is NullRefVariable) return string.Empty;
@@ -124,7 +137,7 @@ namespace DebuggerLibrary
 			get {
 				List<Function> callstack = new List<Function>();
 
-				if (!NDebugger.IsDebugging)    return callstack;
+				if (!NDebugger.IsDebugging)     return callstack;
 				if (NDebugger.IsProcessRunning) return callstack;
 
 				ICorDebugChainEnum corChainEnum;
@@ -153,7 +166,9 @@ namespace DebuggerLibrary
                         try {
                             callstack.Add(new Function(corFrames[0]));					                                                
                         }
-                        catch (COMException) {};
+                        catch (COMException) {
+							//System.Diagnostics.Debug.Fail("Error during adding function to callstack");
+						};
 					}
 				} // for(;;)
 				return callstack;
@@ -181,21 +196,27 @@ namespace DebuggerLibrary
 		{
 			try {
 				CurrentFunction.StepInto();
-			} catch (CurrentFunctionNotAviableException) {}
+			} catch (CurrentFunctionNotAviableException) {
+				System.Diagnostics.Debug.Fail("Unable to prerform step. CurrentFunctionNotAviableException");
+			}
 		}		
 
 		public void StepOver()
 		{
 			try {
 				CurrentFunction.StepOver();
-			} catch (CurrentFunctionNotAviableException) {}
+			} catch (CurrentFunctionNotAviableException) {
+				System.Diagnostics.Debug.Fail("Unable to prerform step. CurrentFunctionNotAviableException");
+			}
 		}
 
 		public void StepOut()
 		{
 			try {
 				CurrentFunction.StepOut();
-			} catch (CurrentFunctionNotAviableException) {}
+			} catch (CurrentFunctionNotAviableException) {
+				System.Diagnostics.Debug.Fail("Unable to prerform step. CurrentFunctionNotAviableException");
+			}
 		}
 		
 		public SourcecodeSegment NextStatement {
@@ -208,7 +229,8 @@ namespace DebuggerLibrary
 			get {
 				try {
 					return CurrentFunction.LocalVariables;	
-				} catch (NotAviableException) {
+				} catch (NotAviableException exception) {
+					System.Diagnostics.Debug.Fail("Unable to get LocalVariables." + exception.ToString());
 					return new VariableCollection();
 				}
 			}

src/AddIns/Misc/Debugger/Debugger.Core/Project/Src/Variables/VariableCollection.cs

@@ -15,8 +15,9 @@ namespace DebuggerLibrary
 		internal void Add(Variable variable)
 		{
 			System.Diagnostics.Trace.Assert(variable != null);
-			if (variable != null)
+			if (variable != null) {
 				InnerList.Add(variable);
+			}
 		}
 
 		public Variable this[int index] {
@@ -28,9 +29,11 @@ namespace DebuggerLibrary
 		public Variable this[string variableName]
 		{
 			get {
-				foreach (Variable v in InnerList) 
-					if (v.Name == variableName)
+				foreach (Variable v in InnerList) {
+					if (v.Name == variableName) {
 						return v;
+					}
+				}
 
 				throw new UnableToGetPropertyException(this, "this[string]", "Variable \"" + variableName + "\" is not in collection");
 			}