From 5643b88dd19d05cc908c7010b00f9a15633b4c73 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?David=20Srbeck=C3=BD?= <dsrbecky@gmail.com>
Date: Sat, 16 Sep 2006 19:41:24 +0000
Subject: [PATCH] Fixed SD2-1086: Debugger thrown exception trying to show
 tooltip of decimal variable. - Eval does not work on thread unsafe point
 after break

git-svn-id: svn://svn.sharpdevelop.net/sharpdevelop/trunk@1810 1ccf3a8d-04fe-1044-b7c0-cef0b8235c61
---
 .../Debugger/Debugger.Core/Project/Src/Threads/Thread.cs    | 6 ++++++
 .../Debugger.Core/Project/Src/Variables/Evals/Eval.cs       | 3 +++
 2 files changed, 9 insertions(+)

diff --git a/src/AddIns/Misc/Debugger/Debugger.Core/Project/Src/Threads/Thread.cs b/src/AddIns/Misc/Debugger/Debugger.Core/Project/Src/Threads/Thread.cs
index 0bfb4640c8..2ac7d7218f 100644
--- a/src/AddIns/Misc/Debugger/Debugger.Core/Project/Src/Threads/Thread.cs
+++ b/src/AddIns/Misc/Debugger/Debugger.Core/Project/Src/Threads/Thread.cs
@@ -63,6 +63,12 @@ namespace Debugger
 			}
 		}
 		
+		public bool IsAtSafePoint {
+			get {
+				return corThread.UserState != CorDebugUserState.USER_UNSAFE_POINT;
+			}
+		}
+		
 		public ICorDebugThread CorThread {
 			get {
 				return corThread;
diff --git a/src/AddIns/Misc/Debugger/Debugger.Core/Project/Src/Variables/Evals/Eval.cs b/src/AddIns/Misc/Debugger/Debugger.Core/Project/Src/Variables/Evals/Eval.cs
index 0a874c79c9..4bdf19136e 100644
--- a/src/AddIns/Misc/Debugger/Debugger.Core/Project/Src/Variables/Evals/Eval.cs
+++ b/src/AddIns/Misc/Debugger/Debugger.Core/Project/Src/Variables/Evals/Eval.cs
@@ -153,6 +153,9 @@ namespace Debugger
 				if (targetThread.IsLastFunctionNative) {
 					throw new EvalSetupException("Can not evaluate because native frame is on top of stack");
 				}
+				if (!targetThread.IsAtSafePoint) {
+					throw new EvalSetupException("Can not evaluate because thread is not at a safe point");
+				}
 				
 				// TODO: What if this thread is not suitable?
 				corEval = targetThread.CorThread.CreateEval();