Handling of CurrentThread and CurrentFunction changed

git-svn-id: svn://svn.sharpdevelop.net/sharpdevelop/trunk@201 1ccf3a8d-04fe-1044-b7c0-cef0b8235c61

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

@@ -87,8 +87,9 @@ namespace ICSharpCode.SharpDevelop.Gui.Pads
 		
 		void CallStackListItemActivate(object sender, EventArgs e)
 		{
-			debugger.selectedFunction = (Function)(callStackList.SelectedItems[0].Tag);
-			debugger.JumpToCurrentLine();
+			if (!debuggerCore.IsProcessRunning) {
+				debuggerCore.CurrentThread.CurrentFunction = (Function)(callStackList.SelectedItems[0].Tag);
+			}
 		}
 
 		public void DebuggerStateChanged(object sender, DebuggerEventArgs e)
@@ -100,8 +101,8 @@ namespace ICSharpCode.SharpDevelop.Gui.Pads
 		{
 			callStackList.BeginUpdate();
 			callStackList.Items.Clear();
-			if (debugger.IsProcessRunning == false && debugger.selectedThread != null) {
-				foreach (Function f in debugger.selectedThread.Callstack) {
+			if (debugger.IsProcessRunning == false && debuggerCore.CurrentThread != null) {
+				foreach (Function f in debuggerCore.CurrentThread.Callstack) {
 					ListViewItem item = new ListViewItem(new string[] { f.Name, "" });
 					item.Tag = f;
 					item.ForeColor = f.Module.SymbolsLoaded ? Color.Black : Color.Gray;

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

@@ -98,10 +98,9 @@ namespace ICSharpCode.SharpDevelop.Gui.Pads
 
 		void RunningThreadsListItemActivate(object sender, EventArgs e)
 		{
-			debugger.SelectThread((Thread)(runningThreadsList.SelectedItems[0].Tag));
-			debugger.JumpToCurrentLine();
-			CallStackPad callStackPad = (CallStackPad)WorkbenchSingleton.Workbench.GetPad(typeof(CallStackPad)).PadContent;
-			callStackPad.RefreshList();
+			if (!debugger.IsProcessRunning) {
+				debuggerCore.CurrentThread = (Thread)(runningThreadsList.SelectedItems[0].Tag);
+			}
 		}
 
 

src/AddIns/Misc/Debugger/Debugger.AddIn/Project/Src/Service/WindowsDebugger.cs

@@ -115,8 +115,6 @@ namespace ICSharpCode.SharpDevelop.Services
 		
 		MessageViewCategory messageViewCategoryDebug;
 		MessageViewCategory messageViewCategoryDebuggerLog;
-		public Thread selectedThread;
-		public Function selectedFunction;
 
 		public bool ServiceInitialized {
 			get {
@@ -381,16 +379,11 @@ namespace ICSharpCode.SharpDevelop.Services
 				}
 			}
 			
-			try {
-				SelectThread(debugger.CurrentThread);
-			} catch (CurrentThreadNotAviableException) {}
 			JumpToCurrentLine();
 		}
 		
 		void DebuggingResumed(object sender, DebuggerEventArgs e)
 		{
-			selectedThread = null;
-			selectedFunction = null;
 			DebuggerService.RemoveCurrentLineMarker();
 		}
 		
@@ -399,34 +392,12 @@ namespace ICSharpCode.SharpDevelop.Services
 			exceptionHistory.Clear();
 			//DebuggerService.Stop();//TODO: delete
 		}
-		
-		public void SelectThread(Thread thread) 
-		{
-			selectedThread = thread;
-			try {
-				selectedFunction = thread.CurrentFunction;
-				// Prefer first function on callstack that has symbols (source code)
-				if (selectedFunction.Module.SymbolsLoaded == false) {
-					foreach (Function f in thread.Callstack) {
-						if (f.Module.SymbolsLoaded) {
-							selectedFunction = f;
-							break;
-						}
-					}
-				}
-			} catch (CurrentFunctionNotAviableException) {}
-		}
-		
-
 
 		public void JumpToCurrentLine()
 		{
 			//StatusBarService.SetMessage("Source code not aviable!");
 			try {
-				if (selectedFunction == null) {
-					return;
-				}
-				SourcecodeSegment nextStatement = selectedFunction.NextStatement;
+				SourcecodeSegment nextStatement = debugger.NextStatement;
 				DebuggerService.JumpToCurrentLine(nextStatement.SourceFullFilename, nextStatement.StartLine, nextStatement.StartColumn, nextStatement.EndLine, nextStatement.EndColumn);
 
 				string stepRanges = "";

src/AddIns/Misc/Debugger/Debugger.Core/Project/Src/Debugger/DebuggerEvents/PausedReason.cs

@@ -13,6 +13,7 @@ namespace DebuggerLibrary
 		Exception,
 		DebuggerError,
         EvalComplete,
-		CurrentThreadChanged
+		CurrentThreadChanged,
+		CurrentFunctionChanged
 	}
 }

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

@@ -56,6 +56,7 @@ namespace DebuggerLibrary
 		
 		void ExitCallback_Paused(PausedReason reason)
 		{
+			debugger.CurrentThread.CurrentFunction = debugger.CurrentThread.LastFunctionWithLoadedSymbols;
 			if (reason != PausedReason.EvalComplete) {
 				debugger.OnDebuggingPaused(reason);
 				debugger.OnIsProcessRunningChanged();
@@ -256,10 +257,6 @@ namespace DebuggerLibrary
 
 			debugger.AddThread(pThread);
 
-			if (debugger.MainThread == null) {
-				debugger.MainThread = debugger.GetThread(pThread);
-			}
-
 			ExitCallback_Continue(pAppDomain);
 		}
 
@@ -306,9 +303,6 @@ namespace DebuggerLibrary
 			if (debugger.CurrentThread == thread)
 				debugger.CurrentThread = null;
 
-			if (debugger.MainThread == thread)
-				debugger.MainThread = null;
-
 			debugger.RemoveThread(thread);
 
 			ExitCallback_Continue(pAppDomain);

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

@@ -328,16 +328,6 @@ namespace DebuggerLibrary
 			}
 		}
 
-		public Thread MainThread {
-			get {
-				if (!IsDebugging) return null;
-				return CurrentProcess.MainThread;
-			}
-			set {
-				CurrentProcess.MainThread = value;
-			}
-		}
-
 		public SourcecodeSegment NextStatement { 
 			get {
 				if (!IsDebugging) return null;

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

@@ -18,7 +18,6 @@ namespace DebuggerLibrary
 
 		ICorDebugProcess corProcess;
 
-		Thread mainThread;
 		Thread currentThread;
 		bool isProcessRunning;
 
@@ -38,28 +37,15 @@ namespace DebuggerLibrary
 			get {
 				if (IsProcessRunning) throw new CurrentThreadNotAviableException();
 				if (currentThread != null) return currentThread;
-				if (mainThread != null) return mainThread;
 				throw new CurrentThreadNotAviableException();
 			}
 			set	{
 				currentThread = value;
-				if (mainThread == null) {
-					mainThread = value;
-				}
 				if (debugger.ManagedCallback.HandlingCallback == false) {
 					debugger.OnDebuggingPaused(PausedReason.CurrentThreadChanged);
 				}
 			}
 		}
-
-		public Thread MainThread {
-			get {
-				return mainThread;
-			}
-			set {
-				mainThread = value;
-			}
-		}
 		
 		static public Process CreateProcess(NDebugger debugger, string filename, string workingDirectory, string arguments)
 		{

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

@@ -26,6 +26,8 @@ namespace DebuggerLibrary
 		string lastName = string.Empty;
 		bool hasBeenLoaded = false;
 
+		Function currentFunction;
+
 		internal bool HasBeenLoaded {
 			get {
 				return hasBeenLoaded;
@@ -181,17 +183,24 @@ namespace DebuggerLibrary
 		public Function CurrentFunction {
 			get {
 				if (debugger.IsProcessRunning) throw new CurrentFunctionNotAviableException();
-				ICorDebugFrame corFrame;
-				corThread.GetActiveFrame(out corFrame);
-				if (corFrame == null) {
-					List<Function> callstack = Callstack;
-					if (callstack.Count > 0) {
-						return callstack[0];
-					} else {
-						throw new CurrentFunctionNotAviableException();
+				return currentFunction;
+			}
+			set {
+				currentFunction = value;
+				if (debugger.ManagedCallback.HandlingCallback == false) {
+					debugger.OnDebuggingPaused(PausedReason.CurrentFunctionChanged);
+				}
+			}
+		}
+
+		public Function LastFunctionWithLoadedSymbols {
+			get {
+				foreach (Function function in Callstack) {
+					if (function.Module.SymbolsLoaded) {
+						return function;
 					}
 				}
-				return new Function(debugger, corFrame);
+				return null;
 			}
 		}
 	}